Variable Sodium Absorption in a Low-extinction Type Ia Supernova (2009)
Simon, Joshua D., Gal-Yam, Avishay, Gnat, Orly, Quimby, Robert M., Ganeshalingam, Mohan, Silverman, Jeffrey M., ...
Recent observations have revealed that some Type Ia supernovae exhibit narrow, time-variable Na I D absorption features. The origin of the absorbing material is controversial, but it may suggest the...
Refined stellar, orbital and planetary parameters of the eccentric HAT-P-2 planetary system (2009)
Pál, András, Bakos, Gáspár Á., Torres, Guillermo, Noyes, Robert W., Fischer, Debra A., Johnson, John A., ...
We present refined parameters for the extrasolar planetary system HAT-P-2 (also known as HD 147506), based on new radial velocity and photometric data. HAT-P-2b is a transiting extrasolar planet that...
Variable Sodium Absorption in a Low-Extinction Type Ia Supernova (2009)
Simon, Joshua D., Gal-Yam, Avishay, Gnat, Orly, Quimby, Robert M., Ganeshalingam, Mohan, Silverman, Jeffrey M., ...
Recent observations have revealed that some Type Ia supernovae exhibit narrow, time-variable Na I D absorption features. The origin of the absorbing material is controversial, but it may suggest the...
A Neptune-mass Planet Orbiting the Nearby G Dwarf HD16417 (2009)
O'Toole, Simon, Tinney, C. G., Butler, R. Paul, Jones, Hugh R. A., Bailey, Jeremy, Carter, Brad D., ...
Precision Doppler measurements from an intensive 48 night "Rocky Planet Search" observing campaign on the Anglo-Australian Telescope (AAT) have revealed the presence of a low-mass exoplanet orbiting...
Variable sodium absorption in a low-extinction type Ia supernova (2009)
Simon, Joshua D., Gal-Yam, Avishay, Gnat, Orly, Quimby, Robert M., Ganeshalingam, Mohan, Silverman, Jeffrey M., ...
Latham, David W., Bakos, Gáspár Á., Torres, Guillermo, Stefanik, Robert P., Noyes, Robert W., Kovács, Géza, ...
We report the identification of 32 transiting-planet candidates in HATNet field G205. We describe the procedures that we have used to follow up these candidates with spectroscopic and photometric...
Low Mass Companions for Five Solar-Type Stars from the Magellan Planet Search Program (2008)
Minniti, Dante, Butler, R. Paul, Lopez-Morales, Mercedes, Shectman, Stephen A., Adams, Fred C., Arriagada, Pamela, ...
We report low mass companions orbiting five Solar-type stars that have emerged from the Magellan precision Doppler velocity survey, with minimum (Msini) masses ranging from 1.2 to 25 Mjup. These...
Two Jupiter-Mass Planets Orbiting HD 154672 and HD 205739 (2008)
Lopez-Morales, Mercedes, Butler, R. Paul, Fischer, Debra A., Minniti, Dante, Shectman, Stephen A., Takeda, Genya, ...
We report the detection of the first two planets from the N2K Doppler planet search program at the Magellan telescopes. The first planet has a mass of M sin i = 4.96 M_Jup and is orbiting the G3 IV...
A Jupiter-like Planet Orbiting the Nearby M Dwarf GJ832 (2008)
Bailey, Jeremy, Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., O'Toole, Simon, Carter, Brad D., ...
Precision Doppler velocity measurements from the Anglo-Australian Tele- scope reveal a planet with a 9.4+/-0.4 year period orbiting the M1.5 dwarf GJ 832. Within measurement uncertainty the orbit is...
Beyond the iron peak: r- and s-process elemental abundances in stars with planets (2008)
Bond, J. C., Lauretta, D. S., Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., ...
[Abstract]: We present elemental abundances of 118 stars (28 of which are known extrasolar planetary host stars) observed as part of the Anglo-Australian Planet Search. Abundances of O, Mg, Cr, Y,...
The prograde orbit of exoplanet TrES-2b (2008)
Winn, Joshua N., Johnson, John Asher, Narita, Norio, Suto, Yasushi, Turner, Edwin L., Fischer, Debra A., ...
We monitored the Doppler shift of the G0 V star TrES-2 throughout a transit of its giant planet. The anomalous Doppler shift due to stellar rotation (the Rossiter-McLaughlin effect) is discernible in...
Arentoft, Torben, Kjeldsen, Hans, Bedding, Timothy R., Bazot, Michael, Christensen-Dalsgaard, Joergen, Dall, Thomas H., ...
We have carried out a multi-site campaign to measure oscillations in the F5 star Procyon A. We obtained high-precision velocity observations over more than three weeks with eleven telescopes, with...
Measurement of the Spin-Orbit Angle of Exoplanet HAT-P-1b (2008)
Johnson, John A., Winn, Joshua N., Narita, Norio, Enya, Keigo, Williams, Peter K. G., Marcy, Geoffrey W., ...
We present new spectroscopic and photometric observations of the HAT-P-1 planetary system. Spectra obtained during three transits exhibit the Rossiter-McLaughlin effect, allowing us to measure the...
The Prograde Orbit of Exoplanet TrES-2b (2008)
Winn, Joshua N., Johnson, John Asher, Narita, Norio, Suto, Yasushi, Turner, Edwin L., Fischer, Debra A., ...
We monitored the Doppler shift of the G0V star TrES-2 throughout a transit of its giant planet. The anomalous Doppler shift due to stellar rotation (the Rossiter-McLaughlin effect) is discernible in...
The amplitude of solar oscillations using stellar techniques (2008)
Kjeldsen, Hans, Bedding, Timothy R., Arentoft, Torben, Butler, R. Paul, Dall, Thomas H., Karoff, Christoffer, ...
The amplitudes of solar-like oscillations depend on the excitation and damping, both of which are controlled by convection. Comparing observations with theory should therefore improve our...
Cumming, Andrew, Butler, R. Paul, Marcy, Geoffrey W., Vogt, Steven S., Wright, Jason T., Fischer, Debra A.
We analyze 8 years of precise radial velocity measurements from the Keck Planet Search, characterizing the detection threshold, selection effects, and completeness of the survey. We carry out a...
Hans Kjeldsen, Timothy R. Bedding, R. Paul Butler, Jørgen Christensen-dalsgaard, Laszlo L. Kiss, Chris Mccarthy, ...
We have made velocity observations of the star«Cen B from two sites, allowing us to identify 37 oscillation modes with l = 0–3. Fitting to these modes gives the large and small frequency...
Beyond the iron peak: r- and s-process elemental abundances in stars with planets (2008)
Bond, J. C., Lauretta, D. S., Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., ...
[Abstract]: We present elemental abundances of 118 stars (28 of which are known extrasolar planetary host stars) observed as part of the Anglo-Australian Planet Search. Abundances of O, Mg, Cr, Y,...
Beyond the iron peak: r- and s-process elemental abundances in stars with planets (2008)
Bond, J. C., Lauretta, D. S., Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., ...
[Abstract]: We present elemental abundances of 118 stars (28 of which are known extrasolar planetary host stars) observed as part of the Anglo-Australian Planet Search. Abundances of O, Mg, Cr, Y,...
Five Planets Orbiting 55 Cancri (2007)
Fischer, Debra A., Marcy, Geoffrey W., Butler, R. Paul, Vogt, Steven S., Laughlin, Greg, Henry, Gregory W., ...
We report 18 years of Doppler shift measurements of a nearby star, 55 Cancri, that exhibit strong evidence for five orbiting planets. The four previously reported planets are strongly confirmed here....
THE VERY LOW MASS COMPONENT OF THE GLIESE 105 SYSTEM (2007)
David A. Golimowski, Todd J. Henry, John E. Krist, Daniel J. Schroeder, Geoffrey W. Marcy, Debra A. Fischer, ...
Multiple-epoch, multicolor images of the astrometric binary Gliese 105A and its very low mass companion Gliese 105C have been obtained using the Hubble Space Telescopes Wide Field Planetary Camera 2...
C. G. Tinney, R. Paul Butler, Alan J, Steven S. Vogt
We report results from the Anglo-Australian Planet Search-- a survey for planets around 200 solar-type stars in the southern hemisphere, which is being carried out on the 3.9m Anglo-Australian...
Statistical Properties of Extrasolar Planets (2007)
A. Penny, P. Artymowicz, S. Russell, R. Paul Butler, Georey W. Marcy, ...
Abstract. The emerging statistical properties from the rst 50 extrasolar planets are startlingly dierent from the picture that was imagined prior to 1995. About 0.75 % of nearby solar type stars...
PLANETARY COMPANIONS TO THE METAL-RICH STARS BD [103166 AND HD 522651 (2007)
R. Paul Butler, Steven S. Vogt, Geoffrey W. Marcy, Debra A. Fischer, Gregory W. Henry, Kevin Apps
Precise Doppler measurements from the Keck/HIRES spectrometer reveal periodic Keplerian velocity variations in the stars BD [103166 and HD 52265. BD [103166 (K0 V) has a period of 3.487 days and a...
Timothy R. Bedding, R. Paul Butler, Hans Kjeldsen, Ivan K. Baldry, Simon J. O'toole, Christopher G. Tinney, ...
We have made a clear detection of excess power, providing strong evidence for solar-like oscillations in the G2 subgiant fi Hyi. We observed this star over five nights with the UCLES echelle...
C. G. Tinney, R. Paul Butler, Alan J, Steven S. Vogt
We report results from the Anglo-Australian Planet Search-- a survey for planets around 200 solar-type stars in the southern hemisphere, which is being carried out on the 3.9m Anglo-Australian...
R. Paul Butler, Butler Geoffrey Marcy, Debra A. Fischer, Timothy M. Brown, Adam R. Contos, Sylvain G. Korzennik, ...
The bright F8 V star t Andromedae was previously reported to have a 4.6 day Doppler velocity periodicity, consistent with having a Jupiter-mass companion orbiting at 0.059 AU. Follow-up observations...
Zapatero Osorio, Geoffrey Marcy Paul, R. Paul Butler
. Precise Doppler measurements (oe ! 15 m s \Gamma1 ) of main sequence stars have revealed eight to date that exhibit Keplerian velocity variations consistent with planetary companions. The implied...
Doppler Detections of Extrasolar Planets (2007)
Geoffrey Marcy Paul, R. Paul Butler
We have searched for planetary and brown-dwarf companions around 107 main sequence stars by monitoring their Doppler shifts during the past 10 years at Lick Observatory. About 90% of the stars...
Paul Butler San, G. W. Marcy, R. Paul Butler
. The Doppler shifts of 300 FGKM dwarfs have been monitored at a precision of 10 m s \Gamma1 during 10 yr . The RMS Doppler variations are typically less than 20 m s \Gamma1 and approach 3 m s...
The Near Term Future of Extrasolar Planet Searches (2007)
Zapatero Osorio, R. Paul Butler, Geoffrey W. Marcy
. Within the last two years 8 extrasolar planets have been detected by precision Doppler techniques. Other proposed planet detection techniques include ground based optical interferometers,...
Applications of Precision Doppler Measurements in Variable Star Studies (2007)
Paul Butler San, R. Paul Butler
. Techniques developed over the last 10 years have improved the precision of Doppler velocity measurements by more than two orders of magnitude. While most of this work has centered on the discovery...
Six New Planets From The Keck Precision Velocity (2007)
Survey Steven Vogt, Steven S. Vogt, Geoffrey W. Marcy, R. Paul Butler, Kevin Apps
We report results of a search for planets around 530 main-sequence stars using the Keck HIRES spectrometer, which has provided Doppler precision of 3 m s~1 during the past 3 yr. We report six new...
A Transiting "51 Peg--Like" Planet (2007)
Gregory W. Henry, Geoffrey W. Marcy, R. Paul Butler, Steven S. Vogt
Doppler measurements from Keck exhibit a sinusoidal periodicity in the velocities of the G0 dwarf HD 209458, having a semiamplitude of 81 m s #1 and a period of 3.5239 days, which is indicative of a...
Debra A. Fischer, R. Paul Butler, Georey W. Marcy, Steven S. Vogt, Gregory W
We report precise Doppler velocities of HD 3651 obtained at Lick and Keck Observatories. The velocities reveal evidence for a planetary companion with orbital period of 62:23 0:03 d, eccentricity of...
R. Paul Butler, Georey W. Marcy, Steven S. Vogt, C. G. Tinney, Chris Mccarthy, ...
The Geneva group has reported two Saturn{mass planets orbiting HD 83443 (K0V) with periods of 2.98 and 29.8 d. The two planets have raised interest in their dynamics because of the possible 10:1...
Submitted to Astrophys. J. Two New Candidate Planets in Eccentric Orbits (2007)
Geoffrey W. Marcy, R. Paul Butler, Steven S. Vogt, Debra Fischer, Michael C. Liu
Doppler measurements of two G--type main--seqeunce stars, HD210277 and HD168443, reveal Keplerian variations that imply the presence of companions with masses (M sin i) of 1.28 and 5.04 M JUP and...
TWO NEW PLANETS FROM THE ANGLO-AUSTRALIAN PLANET SEARCH1 (2007)
R. Paul Butler, C. G. Tinney, Geoffrey W. Marcy, Alan J. Penny, Kevin Apps
Precise Doppler measurements from the Anglo-Australian Telescope (AAT) UCLES spectrometer reveal periodic Keplerian velocity variations in the stars HD 160691 and HD 27442. HD 160691 has a period of...
C. G. Tinney, R. Paul Butler, Geoffrey W. Marcy, Alan J, Chris Mccarthy, ...
We report the detection of two new extra-solar planets from the Anglo-Australian Planet Search around the stars HD 142 and HD 23079. The planet orbiting HD 142 has an orbital period of just under one...
TWO SUBSTELLAR COMPANIONS ORBITING HD 1684431 (2007)
Geoffrey W. Marcy, R. Paul Butler, Steven S. Vogt, Michael C. Liu, Gregory Laughlin, Kevin Apps, ...
Precise Doppler measurements during 4.4 yr from the Keck/HIRES spectrometer reveal two superimposed Keplerian velocity variations for HD 168443 (G6 IV). A simultaneous orbital t to both companions...
A PAIR OF RESONANT PLANETS ORBITING GJ 8761 (2007)
Geoffrey W. Marcy, R. Paul Butler, Debra Fischer, Steven S. Vogt, Jack J. Lissauer, Eugenio J. Rivera
Precise Doppler measurements during 6 yr from the Lick and Keck observatories reveal two planets orbiting GJ 876 (M4V). The orbital t yields companion masses of M sin i \ 0.56 and 1.89 orbital M J...
FIRST RESULTS FROM THE ANGLO-AUSTRALIAN PLANET SEARCH: (2007)
A Brown, Dwarf Candidate, A Peglike Planet, C. G. Tinney, R. Paul Butler, Geoffrey W. Marcy, ...
We report results from the Anglo-Australian Planet Search, a survey for planets around 200 solar-type stars in the southern hemisphere that is being carried out on the 3.9 m Anglo-Australian...
KEPLERIAN RESIDUALS OF EXTRASOLAR PLANETS1 (2007)
Debra A. Fischer, Geoffrey W. Marcy, R. Paul Butler, Steven S. Vogt, Sabine Frink, Kevin Apps
Precision Doppler observations at the Lick and Keck observatories have revealed Keplerian velocity
Discovery Of A Substellar Companion To The K2 Iii Giant Draconis (2007)
Sabine Frink David, David S. Mitchell, Andreas Quirrenbach, Debra A. Fischer, Geoffrey W. Marcy, R. Paul Butler
We report precise radial velocity measurements of the K giant # Dra (HD 137759, HR 5744, HIP 75458), carried out at Lick Observatory, which reveal the presence of a substellar companion orbiting the...
On The Double-Planet System Around Hd 83443 (2007)
Paul Butler Geoffrey, R. Paul Butler, Geoffrey W. Marcy, Steven S. Vogt, C. G. Tinney, ...
The Geneva group has reported two Saturn-mass planets orbiting HD 83443 (K0 V) with periods of 2.98 and 29.8 days. The two planets have raised interest in their dynamics because of the possible 10 :...
A Planet At 5 Au Around 55 Cancri (2007)
Geoffrey Marcy Paul, R. Paul Butler, Debra A. Fischer, Greg Laughlin, Steven S. Vogt, Gregory W. Henry, ...
We report precise Doppler-shift measurements of 55 Cancri (G8 V) obtained from 1989 to 2002 at Lick Observatory. The velocities reveal evidence for an outer planetary companion to 55 Cancri orbiting...
Four New Planets Orbiting Metal-Enriched Stars (2007)
Tinney Paul Butler, R. Paul Butler, Geoffrey W. Marcy, Alan J. Penny, Chris Mccarthy, ...
We report the detection of four new extrasolar planets from the Anglo-Australian Planet Search orbiting the metal-enriched stars HD 73526, HD 76700, HD 30177, and HD 2039. The planetary companion of...
Mon. Not. R. Astron. Soc. 341, 948--952 (2003) (2007)
An Exoplanet In, R. Paul Butler, C. G. Tinney, Geoffrey W. Marcy, Alan J. Penny, ...
We report the detection of a new candidate exoplanet around the metal-rich star # Gruis. With M sin i 1.26 0.18 M Jup , a period of 1391 300 d and an orbit with an eccentricity of 0.14 it adds to the...
THE ASTROPHYSICAL JOURNAL, 551 507511, 2001 April 10 (2007)
The American Astronomical, C. G. Tinney, R. Paul Butler, Geoffrey W. Marcy, Alan J. Penny, ...
We report results from the Anglo-Australian Planet Search, a survey for planets around 200 solar-type stars in the southern hemisphere that is being carried out on the 3.9 m Anglo-Australian...
Mon. Not. R. Astron. Soc. 337, 1170--1178 (2002) (2007)
Extrasolar Planets Around, R. Paul Butler, Geoffrey W. Marcy, Chris G. Tinney, Alan J. Penny, ...
We report precise Doppler measurements of the stars HD 216437, HD 196050 and HD 160691 obtained with the Anglo-Australian Telescope using the UCLES spectrometer together with an iodine cell as part...
Seven New Keck Planets Orbiting G And K Dwarfs (2007)
Paul Butler Geoffrey, R. Paul Butler, Geoffrey W. Marcy, Steven S. Vogt, Debra A. Fischer, Gregory W. Henry, ...
Planetary mass companions orbiting seven nearby G and K dwarfs have been found from the Keck Precision Doppler Survey. A " 51 Peg--like " planet orbiting HD 49674 has the smallest mass yet...
A Planetary Companion To Hd 40979 And Additional Planets (2007)
Orbiting Hd And, Debra A. Fischer, Geoffrey W. Marcy, R. Paul Butler, Steven S. Vogt, Gregory W. Henry, ...
We report the detection of three extrasolar planets from the Lick and Keck observatories. The F8 V star HD 40979 has a companion with orbital period P 3 days, eccentricity e 0:05, and velocity...
Two Jovian-Mass Planets in Earthlike Orbits (2007)
Robinson, Sarah E., Laughlin, Gregory, Vogt, Steven S., Fischer, Debra A., Butler, R. Paul, Marcy, Geoffrey W., ...
We report the discovery of two new planets: a 1.94 M_Jup planet in a 1.8-year orbit of HD 5319, and a 2.51 M_Jup planet in a 1.1-year orbit of HD 75898. The measured eccentricities are 0.12 for HD...
A New Planet Around an M Dwarf: Revealing a Correlation Between Exoplanets and Stellar Mass (2007)
Johnson, John A., Butler, R. Paul, Marcy, Geoffrey W., Fischer, Debra A., Vogt, Steven S., Wright, Jason T., ...
We report precise Doppler measurements of GJ317 (M3.5V) that reveal the presence of a planet with a minimum mass Msini = 1.2 Mjup in an eccentric, 692.9 day orbit. GJ317 is only the third M dwarf...
New planets around three G Dwarfs (2007)
O'Toole, Simon J., Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., Carter, Brad D., ...
[Abstract]: Doppler velocity measurements from the Anglo-Australian Planet Search re- veal planetary mass companions to HD23127, HD159868, and a possible second planetary companion to HD154857. These...
New planets around three G Dwarfs (2007)
O’Toole, Simon J., Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., Carter, Brad D., ...
[Abstract]: Doppler velocity measurements from the Anglo-Australian Planet Search re-veal planetary mass companions to HD23127, HD159868, and a possible secondplanetary companion to HD154857. These...
New planets around three G Dwarfs (2007)
O’Toole, Simon J., Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., Carter, Brad D., ...
[Abstract]: Doppler velocity measurements from the Anglo-Australian Planet Search re-veal planetary mass companions to HD23127, HD159868, and a possible secondplanetary companion to HD154857. These...
Patel, Shannon G., Vogt, Steven S., Marcy, Geoffrey W., Johnson, John A., Fischer, Debra A., Wright, Jason T., ...
We present radial velocities for 14 stars on the California & Carnegie Planet Search target list that reveal new companions. One star, HD 167665, was fit with a definitive Keplerian orbit leading to...
Five Intermediate-Period Planets from the N2K Sample (2007)
Fischer, Debra A., Vogt, Steven S., Marcy, Geoffrey W., Butler, R. Paul, Sato, Bun'ei, Henry, Gregory W., ...
We report the detection of five Jovian mass planets orbiting high metallicity stars. Four of these stars were first observed as part of the N2K program and exhibited low RMS velocity scatter after...
Solar-like oscillations in the G2 subgiant beta Hydri from dual-site observations (2007)
Bedding, Timothy R., Kjeldsen, Hans, Arentoft, Torben, Bouchy, Francois, Brandbyge, Jacob, Brewer, Brendon J., ...
We have observed oscillations in the nearby G2 subgiant star beta Hyi using high-precision velocity observations obtained over more than a week with the HARPS and UCLES spectrographs. The oscillation...
Four new exoplanets and hints of additional substellar companions to exoplanet host stars (2007)
Wright, J. T., Marcy, Geoffrey W., Fischer, Debra A., Butler, R. Paul, Vogt, S. S., Tinney, C. G., ...
[Abstract]: We present four new exoplanets: HIP 14810b and HIP 14810c, HD 154345b, and HD 187123c. The two planets orbiting HIP 14810, from the N2K project, have masses of 3.9 and 0.76 MJ. We have...
Four new exoplanets and hints of additional substellar companions to exoplanet host stars (2007)
Wright, J. T., Marcy, Geoffrey W., Fischer, Debra A., Butler, R. Paul, Vogt, S. S., Tinney, C. G., ...
[Abstract]: We present four new exoplanets: HIP 14810b and HIP 14810c, HD 154345b, and HD 187123c. The two planets orbiting HIP 14810, from the N2K project, have masses of 3.9 and 0.76 MJ. We have...
Four new exoplanets and hints of additional substellar companions to exoplanet host stars (2007)
Wright, J. T., Marcy, Geoffrey W., Fischer, Debra A., Butler, R. Paul, Vogt, S. S., Tinney, C. G., ...
[Abstract]: We present four new exoplanets: HIP 14810b and HIP 14810c, HD 154345b, and HD 187123c. The two planets orbiting HIP 14810, from the N2K project, have masses of 3.9 and 0.76 MJ. We have...
Four new exoplanets and hints of additional substellar companions to exoplanet host stars (2007)
Wright, J. T., Marcy, Geoffrey W., Fischer, Debra A., Butler, R. Paul, Vogt, S. S., Tinney, C. G., ...
[Abstract]: We present four new exoplanets: HIP 14810b and HIP 14810c, HD 154345b, and HD 187123c. The two planets orbiting HIP 14810, from the N2K project, have masses of 3.9 and 0.76 MJ. We have...
New Planets around Three G Dwarfs (2007)
O'Toole, Simon J., Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., Carter, Brad, ...
Doppler velocity measurements from the Anglo-Australian Planet Search reveal planetary mass companions to HD23127, HD159868, and a possible second planetary companion to HD154857. These stars are all...
New planets around three G Dwarfs (2007)
O’Toole, Simon J., Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., Carter, Brad D., ...
[Abstract]: Doppler velocity measurements from the Anglo-Australian Planet Search re- veal planetary mass companions to HD23127, HD159868, and a possible second planetary companion to HD154857. These...
Working Group on Extrasolar Planets (2007)
Boss, Alan P., Butler, R. Paul, Hubbard, William B., Ianna, Philip A., Kürster, Martin, Lissauer, Jack J., ...
The Working Group on Extrasolar Planets (hereafter the WGESP) was created at a meeting of the IAU Executive Council in 1999 as a Working Group of IAU Division III and was renewed for three more years...
New planets around three G Dwarfs (2007)
O'Toole, Simon J., Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., Carter, Brad D., ...
[Abstract]: Doppler velocity measurements from the Anglo-Australian Planet Search re- veal planetary mass companions to HD23127, HD159868, and a possible second planetary companion to HD154857. These...
Four new exoplanets and hints of additional substellar companions to exoplanet host stars (2007)
Wright, J. T., Marcy, Geoffrey W., Fischer, Debra A., Butler, R. Paul, Vogt, S. S., Tinney, C. G., ...
[Abstract]: We present four new exoplanets: HIP 14810b and HIP 14810c, HD 154345b, and HD 187123c. The two planets orbiting HIP 14810, from the N2K project, have masses of 3.9 and 0.76 MJ. We have...
Sarah E. Robinson, Gregory Laughlin, Steven S. Vogt, Debra A. Fischer, R. Paul Butler, Geoffrey W. Marcy, ...
We report the discovery of two new planets: a 1.94 MJup planet in a 1.8 yr orbit of HD 5319, and a 2.51 MJup planet in a 1.1 yr orbit of HD 75898. The measured eccentricities are 0.12 for HD 5319b...
FIVE INTERMEDIATE-PERIOD PLANETS FROM THE N2K SAMPLE (2007)
Debra A. Fischer, Steven S. Vogt, Geoffrey W. Marcy, R. Paul Butler, Gregory W. Henry, Sarah Robinson, ...
We report the detection of five Jovian-mass planets orbiting high-metallicity stars. Four of these stars were first observed as part of the N2K program, and exhibited low rms velocity scatter after...
New planets around three G Dwarfs (2007)
O'Toole, Simon J., Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., Carter, Brad D., ...
[Abstract]: Doppler velocity measurements from the Anglo-Australian Planet Search re- veal planetary mass companions to HD23127, HD159868, and a possible second planetary companion to HD154857. These...
Four new exoplanets and hints of additional substellar companions to exoplanet host stars (2007)
Wright, J. T., Marcy, Geoffrey W., Fischer, Debra A., Butler, R. Paul, Vogt, S. S., Tinney, C. G., ...
[Abstract]: We present four new exoplanets: HIP 14810b and HIP 14810c, HD 154345b, and HD 187123c. The two planets orbiting HIP 14810, from the N2K project, have masses of 3.9 and 0.76 MJ. We have...
A FIVE PLANETS ORBITING 55 CANCRI 1 (2007)
Debra A. Fischer, Geoffrey W. Marcy, R. Paul Butler, Steven S. Vogt, Greg Laughlin, Gregory W. Henry, ...
We report 18 years of Doppler shift measurements of a nearby star, 55 Cancri, that exhibits strong evidence for five orbiting planets. The four previously reported planets are strongly confirmed...
A Long-Period Jupiter-Mass Planet Orbiting the Nearby M Dwarf GJ849 (2006)
Butler, R. Paul, Johnson, John A., Marcy, Geoffrey W., Wright, Jason T., Vogt, Steven S., Fischer, Debra A.
We report precise Doppler measurements of GJ849 (M3.5V) that reveal the presence of a planet with a minimum mass of 0.82 Mjup in a 5.16 year orbit. At a = 2.35 AU, GJ849b is the first...
An activity catalogue of southern stars (2006)
Jenkins, J. S., Jones, Hugh R. A., Tinney, C. G., Butler, R. Paul, McCarthy, Chris, Marcy, Geoffrey W., ...
[Abstract]: We have acquired high-resolution echelle spectra of 225 F6-M5 type stars in the Southern hemisphere. The stars are targets or candidates to be targets for the Anglo-Australian Planet...
An activity catalogue of southern stars (2006)
Jenkins, J. S., Jones, Hugh R. A., Tinney, C. G., Butler, R. Paul, McCarthy, Chris, Marcy, Geoffrey W., ...
[Abstract]: We have acquired high-resolution echelle spectra of 225 F6-M5 type stars in the Southern hemisphere. The stars are targets or candidates to be targets for the Anglo-Australian Planet...
An activity catalogue of southern stars (2006)
Jenkins, J. S., Jones, Hugh R. A., Tinney, C. G., Butler, R. Paul, McCarthy, Chris, Marcy, Geoffrey W., ...
[Abstract]: We have acquired high-resolution echelle spectra of 225 F6-M5 type stars in the Southern hemisphere. The stars are targets or candidates to be targets for the Anglo-Australian Planet...
An activity catalogue of southern stars (2006)
Jenkins, J. S., Jones, Hugh R. A., Tinney, C. G., Butler, R. Paul, McCarthy, Chris, Marcy, Geoffrey W., ...
[Abstract]: We have acquired high-resolution echelle spectra of 225 F6-M5 type stars in the Southern hemisphere. The stars are targets or candidates to be targets for the Anglo-Australian Planet...
Measurement of the Spin-Orbit Alignment in the Exoplanetary System HD 189733 (2006)
Winn, Joshua N., Johnson, John A., Marcy, Geoffrey W., Butler, R. Paul, Vogt, Steven S., Henry, Gregory W., ...
We present spectroscopy of a transit of the exoplanet HD 189733b. By modeling the Rossiter-McLaughlin effect (the anomalous Doppler shift due to the partial eclipse of the rotating stellar surface),...
Limits to Transits of the Neptune-mass planet orbiting Gl 581 (2006)
Lopez-Morales, Mercedes, Morrell, Nidia I., Butler, R. Paul, Seager, Sara
We have monitored the Neptune-mass exoplanet-hosting M-dwarf Gl 581 with the 1m Swope Telescope at Las Campanas Observatory over two predicted transit epochs. A neutral density filter centered at...
The 2:1 resonant exoplanetary system orbiting HD735261 (2006)
Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., Laughlin, Gregory, Carter, Brad D., ...
[Abstract]: We report the detection of a second exoplanet orbiting the G6V dwarf HD73526. This second planet has an orbital period of 377 d, putting it in a 2:1 resonance with the previously known...
The 2:1 resonant exoplanetary system orbiting HD735261 (2006)
Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., Laughlin, Gregory, Carter, Brad D., ...
[Abstract]: We report the detection of a second exoplanet orbiting the G6V dwarf HD73526.This second planet has an orbital period of 377 d, putting it in a 2:1 resonance with thepreviously known...
The 2:1 resonant exoplanetary system orbiting HD735261 (2006)
Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., Laughlin, Gregory, Carter, Brad D., ...
[Abstract]: We report the detection of a second exoplanet orbiting the G6V dwarf HD73526. This second planet has an orbital period of 377 d, putting it in a 2:1 resonance with the previously known...
The 2:1 resonant exoplanetary system orbiting HD735261 (2006)
Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., Laughlin, Gregory, Carter, Brad D., ...
[Abstract]: We report the detection of a second exoplanet orbiting the G6V dwarf HD73526.This second planet has an orbital period of 377 d, putting it in a 2:1 resonance with thepreviously known...
Butler, R. Paul, Bouchy, Francois, Brewer, Brendon J, Eggenberger, Patrick, ...
Asteroseismology is a powerful method for determining fundamental properties of stars. We report the first application to a metal-poor object, namely the subgiant star nu Ind. We measured precise...
Catalog of nearby exoplanets (2006)
Butler, R. Paul, Wright, J. T., Marcy, Geoffrey W., Fischer, Debra A., Vogt, S. S., Tinney, C. G., ...
[Abstract]: We present a catalog of nearby exoplanets. It contains the 172 known low-mass companions with orbits established through radial velocity and transit measurements around stars within 200...
Catalog of nearby exoplanets (2006)
Butler, R. Paul, Wright, J. T., Marcy, Geoffrey W., Fischer, Debra A., Vogt, S. S., Tinney, C. G., ...
[Abstract]: We present a catalog of nearby exoplanets. It contains the 172 known low-mass companions with orbits established through radial velocity and transit measurements around stars within 200...
Catalog of nearby exoplanets (2006)
Butler, R. Paul, Wright, J. T., Marcy, Geoffrey W., Fischer, Debra A., Vogt, S. S., Tinney, C. G., ...
[Abstract]: We present a catalog of nearby exoplanets. It contains the 172 known low-mass companions with orbits established through radial velocity and transit measurements around stars within 200...
Catalog of nearby exoplanets (2006)
Butler, R. Paul, Wright, J. T., Marcy, Geoffrey W., Fischer, Debra A., Vogt, S. S., Tinney, C. G., ...
[Abstract]: We present a catalog of nearby exoplanets. It contains the 172 known low-mass companions with orbits established through radial velocity and transit measurements around stars within 200...
Precise Radial Velocities of Giant Stars II. Pollux and its Planetary Companion (2006)
Reffert, Sabine, Quirrenbach, Andreas, Mitchell, David S., Albrecht, Simon, Hekker, Saskia, Fischer, Debra A., ...
It has long been speculated that the observed periodic radial velocity pattern for the K giant Pollux might be explained in terms of an orbiting planetary companion. We have collected 80...
The abundance distribution of stars with planets (2006)
Bond, J. C., Tinney, C. G., Butler, R. Paul, Jones, Hugh R. A., Marcy, Geoffrey W., Penny, Alan J., ...
[Abstract]: We present the results of a uniform, high-precision spectroscopic metallicity study of 136 G-type stars from the Anglo-Australian Planet Search, 20 of which are known to harbour...
The abundance distribution of stars with planets (2006)
Bond, J. C., Tinney, C. G., Butler, R. Paul, Jones, Hugh R. A., Marcy, Geoffrey W., Penny, Alan J., ...
[Abstract]: We present the results of a uniform, high-precision spectroscopic metallicity study of 136 G-type stars from the Anglo-Australian Planet Search, 20 of which are known to harbour...
The abundance distribution of stars with planets (2006)
Bond, J. C., Tinney, C. G., Butler, R. Paul, Jones, Hugh R. A., Marcy, Geoffrey W., Penny, Alan J., ...
[Abstract]: We present the results of a uniform, high-precision spectroscopic metallicity study of 136 G-type stars from the Anglo-Australian Planet Search, 20 of which are known to harbour...
The abundance distribution of stars with planets (2006)
Bond, J. C., Tinney, C. G., Butler, R. Paul, Jones, Hugh R. A., Marcy, Geoffrey W., Penny, Alan J., ...
[Abstract]: We present the results of a uniform, high-precision spectroscopic metallicity study of 136 G-type stars from the Anglo-Australian Planet Search, 20 of which are known to harbour...
Bedding, Timothy R., Butler, R. Paul, Carrier, Fabien, Bouchy, Francois, Brewer, Brendon J., Eggenberger, Patrick, ...
Asteroseismology is a powerful method for determining fundamental properties of stars. We report the first application to a metal-poor object, namely the subgiant star nu Ind. We measured precise...
High-eccentricity planets from the Anglo-Australian Planet Search (2006)
Jones, Hugh R. A., Butler, R. Paul, Tinney, C. G., Marcy, Geoffrey W., Carter, Brad D., Penny, Alan J., ...
[Abstract]:We report Doppler measurements of the stars HD 187085 and HD 20782 which indicate two high eccentricity low-mass companions to the stars. We find HD 187085 has a Jupiter-mass companion...
High-eccentricity planets from the Anglo-Australian Planet Search (2006)
Jones, Hugh R. A., Butler, R. Paul, Tinney, C. G., Marcy, Geoffrey W., Carter, Brad D., Penny, Alan J., ...
[Abstract]:We report Doppler measurements of the stars HD 187085 and HD 20782 which indicate two high eccentricity low-mass companions to the stars. We find HD 187085 has a Jupiter-mass companion...
High-eccentricity planets from the Anglo-Australian Planet Search (2006)
Jones, Hugh R. A., Butler, R. Paul, Tinney, C. G., Marcy, Geoffrey W., Carter, Brad D., Penny, Alan J., ...
[Abstract]:We report Doppler measurements of the stars HD 187085 and HD 20782 which indicate two high eccentricity low-mass companions to the stars. We find HD 187085 has a Jupiter-mass companion...
High-eccentricity planets from the Anglo-Australian Planet Search (2006)
Jones, Hugh R. A., Butler, R. Paul, Tinney, C. G., Marcy, Geoffrey W., Carter, Brad D., Penny, Alan J., ...
[Abstract]:We report Doppler measurements of the stars HD 187085 and HD 20782 which indicate two high eccentricity low-mass companions to the stars. We find HD 187085 has a Jupiter-mass companion...
Bedding, Timothy R., Butler, R. Paul, Carrier, Fabien, Bouchy, Francois, Brewer, Brendon J., Eggenberger, Patrick, ...
Asteroseismology is a powerful method for determining fundamental properties of stars. We report the first application to a metal-poor object, namely the subgiant star nu Ind. We measured precise...
The N2K Consortium VI: Doppler Shifts Without Templates and Three New Short-Period Planets (2006)
Johnson, John A., Marcy, Geoffrey W., Fischer, Debra A., Laughlin, Gregory, Butler, R. Paul, Henry, Gregory W., ...
We present a modification to the iodine cell Doppler technique that eliminates the need for an observed stellar template spectrum. For a given target star, we iterate toward a synthetic template...
High eccentricity planets from the Anglo-Australian Planet Search (2006)
Jones, Hugh R. A., Butler, R. Paul, Tinney, C. G., Marcy, Geoffrey W., Carter, Brad D., Penny, Alan J., ...
We report Doppler measurements of the stars HD187085 and HD20782 which indicate two high eccentricity low-mass companions to the stars. We find HD187085 has a Jupiter-mass companion with a ~1000d...
The 2:1 resonant exoplanetary system orbiting HD73526 (2006)
Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., Laughlin, Gregory, Carter, Brad D., ...
We report the detection of a second exoplanet orbiting the G6V dwarf HD73526. This second planet has an orbital period of 377 d, putting it in a 2:1 resonance with the previously known exoplanet, the...
Bedding, Timothy R., Butler, R. Paul, Carrier, Fabien, Bouchy, Francois, Brewer, Brendon J., Eggenberger, Patrick, ...
Asteroseismology is a powerful method for determining fundamental properties of stars. We report the first application to a metal-poor object, namely the subgiant star nu Ind. We measured precise...
Bedding, Timothy R., Butler, R. Paul, Carrier, Fabien, Bouchy, Francois, Brewer, Brendon J., Eggenberger, Patrick, ...
Asteroseismology is a powerful method for determining fundamental properties of stars. We report the first application to a metal-poor object, namely the subgiant star nu Ind. We measured precise...
The 2:1 resonant exoplanetary system orbiting HD735261 (2006)
Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., Laughlin, Gregory, Carter, Brad D., ...
[Abstract]: We report the detection of a second exoplanet orbiting the G6V dwarf HD73526. This second planet has an orbital period of 377 d, putting it in a 2:1 resonance with the previously known...
Catalog of nearby exoplanets (2006)
Butler, R. Paul, Wright, J. T., Marcy, Geoffrey W., Fischer, Debra A., Vogt, S. S., Tinney, C. G., ...
[Abstract]: We present a catalog of nearby exoplanets. It contains the 172 known low-mass companions with orbits established through radial velocity and transit measurements around stars within 200...
An activity catalogue of southern stars (2006)
Jenkins, J. S., Jones, Hugh R. A., Tinney, C. G., Butler, R. Paul, McCarthy, Chris, Marcy, Geoffrey W., ...
[Abstract]: We have acquired high-resolution echelle spectra of 225 F6-M5 type stars in the Southern hemisphere. The stars are targets or candidates to be targets for the Anglo-Australian Planet...
High-eccentricity planets from the Anglo-Australian Planet Search (2006)
Jones, Hugh R. A., Butler, R. Paul, Tinney, C. G., Marcy, Geoffrey W., Carter, Brad D., Penny, Alan J., ...
[Abstract]:We report Doppler measurements of the stars HD 187085 and HD 20782 which indicate two high eccentricity low-mass companions to the stars. We find HD 187085 has a Jupiter-mass companion...
The abundance distribution of stars with planets (2006)
Bond, J. C., Tinney, C. G., Butler, R. Paul, Jones, Hugh R. A., Marcy, Geoffrey W., Penny, Alan J., ...
[Abstract]: We present the results of a uniform, high-precision spectroscopic metallicity study of 136 G-type stars from the Anglo-Australian Planet Search, 20 of which are known to harbour...
The 2:1 resonant exoplanetary system orbiting HD 73526 (2006)
Tinney, C. G, Butler, R. Paul, Marcy, Geoffrey W, Jones, Hugh R. A, Laughlin, Gregory, Carter, Brad D, ...
We report the detection of a second exoplanet orbiting the G6 V dwarf HD 73526. This second planet has an orbital period of 377 days, putting it in a 2:1 resonance with the previously known...
High-eccentricity planets from the Anglo-Australian Planet Search (2006)
Jones, Hugh R.A, Butler, R. Paul, Tinney, C. G, Marcy, Geoffrey W, Carter, Brad D, Penny, Alan J, ...
We report Doppler measurements of the stars HD 187085 and HD 20782 which indicate two high eccentricity low-mass companions to the stars. We find HD 187085 has a Jupiter-mass companion with a...
The 2:1 resonant exoplanetary system orbiting HD 73526 (2006)
Tinney, C. G, Butler, R. Paul, Marcy, Geoffrey W, Jones, Hugh R. A, Laughlin, Gregory, Carter, Brad D, ...
We report the detection of a second exoplanet orbiting the G6 V dwarf HD 73526. This second planet has an orbital period of 377 days, putting it in a 2:1 resonance with the previously known...
High-eccentricity planets from the Anglo-Australian Planet Search (2006)
Jones, Hugh R.A, Butler, R. Paul, Tinney, C. G, Marcy, Geoffrey W, Carter, Brad D, Penny, Alan J, ...
We report Doppler measurements of the stars HD 187085 and HD 20782 which indicate two high eccentricity low-mass companions to the stars. We find HD 187085 has a Jupiter-mass companion with a...
Joshua N. Winn, John Asher Johnson, Geoffrey W. Marcy, R. Paul Butler, Steven S. Vogt, Gregory W. Henry, ...
We present spectroscopy of a transit of the exoplanet HD 189733b. By modeling the Rossiter-McLaughlin effect (the anomalous Doppler shift due to the partial eclipse of the rotating stellar surface),...
THE N2K CONSORTIUM. VI. DOPPLER SHIFTS WITHOUT TEMPLATES AND THREE NEW SHORT-PERIOD PLANETS 1 (2006)
John Asher Johnson, Geoffrey W. Marcy, Debra A. Fischer, Gregory Laughlin, R. Paul Butler, Gregory W. Henry, ...
We present a modification to the iodine cell Doppler technique that eliminates the need for an observed stellar template spectrum. For a given target star, we iterate toward a synthetic template...
The 2:1 resonant exoplanetary system orbiting HD 73526 (2006)
Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., Laughlin, Gregory, Carter, Brad D., ...
[Abstract]: We report the detection of a second exoplanet orbiting the G6V dwarf HD73526. This second planet has an orbital period of 377 d, putting it in a 2:1 resonance with the previously known...
Catalog of nearby exoplanets (2006)
Butler, R. Paul, Wright, J. T., Marcy, Geoffrey W., Fischer, Debra A., Vogt, S. S., Tinney, C. G., ...
[Abstract]: We present a catalog of nearby exoplanets. It contains the 172 known low-mass companions with orbits established through radial velocity and transit measurements around stars within 200...
An activity catalogue of southern stars (2006)
Jenkins, J. S., Jones, Hugh R. A., Tinney, C. G., Butler, R. Paul, McCarthy, Chris, Marcy, Geoffrey W., ...
[Abstract]: We have acquired high-resolution echelle spectra of 225 F6-M5 type stars in the Southern hemisphere. The stars are targets or candidates to be targets for the Anglo-Australian Planet...
High-eccentricity planets from the Anglo-Australian Planet Search (2006)
Jones, Hugh R. A., Butler, R. Paul, Tinney, C. G., Marcy, Geoffrey W., Carter, Brad D., Penny, Alan J., ...
[Abstract]:We report Doppler measurements of the stars HD 187085 and HD 20782 which indicate two high eccentricity low-mass companions to the stars. We find HD 187085 has a Jupiter-mass companion...
The abundance distribution of stars with planets (2006)
Bond, J. C., Tinney, C. G., Butler, R. Paul, Jones, Hugh R. A., Marcy, Geoffrey W., Penny, Alan J., ...
[Abstract]: We present the results of a uniform, high-precision spectroscopic metallicity study of 136 G-type stars from the Anglo-Australian Planet Search, 20 of which are known to harbour...
On the 2:1 Orbital Resonance in the HD 82943 Planetary System (2005)
Lee, Man Hoi, Butler, R. Paul, Fischer, Debra A., Marcy, Geoffrey W., Vogt, Steven S.
We present an analysis of the HD 82943 planetary system based on a radial velocity data set that combines new measurements obtained with the Keck telescope and the CORALIE measurements published in...
Solar-like oscillations in alpha Centauri B (2005)
Kjeldsen, Hans, Bedding, Timothy R., Butler, R. Paul, Christensen-Dalsgaard, Joergen, Kiss, Laszlo L., McCarthy, Chris, ...
We have made velocity observations of the star alpha Cen B from two sites, allowing us to identify 37 oscillation modes with l=0-3. Fitting to these modes gives the large and small frequency...
Measurement of Spin-Orbit Alignment in an Extrasolar Planetary System (2005)
Winn, Joshua N., Noyes, Robert W., Holman, Matthew J., Charbonneau, David, Ohta, Yasuhiro, Taruya, Atsushi, ...
We determine the stellar, planetary, and orbital properties of the transiting planetary system HD 209458, through a joint analysis of high-precision radial velocities, photometry, and timing of the...
Three low-mass planets from the Anglo-Australian planet search (2005)
Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., Penny, Alan J., McCarthy, Chris, ...
[Abstract]: We report the detection of three new low-mass planets from the Anglo-Australian Planet Search. The three parentstars of these planets are chromospherically quiet main-sequence G dwarfs...
Three low-mass planets from the Anglo-Australian planet search (2005)
Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., Penny, Alan J., McCarthy, Chris, ...
[Abstract]: We report the detection of three new low-mass planets from the Anglo-Australian Planet Search. The three parent stars of these planets are chromospherically quiet main-sequence G dwarfs...
Three low-mass planets from the Anglo-Australian planet search (2005)
Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., Penny, Alan J., McCarthy, Chris, ...
[Abstract]: We report the detection of three new low-mass planets from the Anglo-Australian Planet Search. The three parent stars of these planets are chromospherically quiet main-sequence G dwarfs...
Three low-mass planets from the Anglo-Australian planet search (2005)
Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., Penny, Alan J., McCarthy, Chris, ...
[Abstract]: We report the detection of three new low-mass planets from the Anglo-Australian Planet Search. The three parentstars of these planets are chromospherically quiet main-sequence G dwarfs...
Three low-mass planets from the Anglo-Australian planet search (2005)
Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., Penny, Alan J., McCarthy, Chris, ...
[Abstract]: We report the detection of three new low-mass planets from the Anglo-Australian Planet Search. The three parent stars of these planets are chromospherically quiet main-sequence G dwarfs...
Gregory Laughlin, Geoffrey W. Marcy, Steven S. Vogt, Debra A. Fischer, R. Paul Butler
We report 85 high-precision Doppler radial velocity measurements taken between 1999.5 and 2005.0 of the parent star of the transiting planet HD 209458b. We obtain an orbital fit to the 68 radial...
Steven S. Vogt, R. Paul Butler, Geoffrey W. Marcy, Debra A. Fischer, Gregory W. Henry, Greg Laughlin, ...
We report Doppler measurements for six nearby G- and K-type main-sequence stars that show multiple low-mass companions, at least one of which has planetary mass. One system has three planets, the...
Eugenio J. Rivera, Jack J. Lissauer, R. Paul Butler, Geoffrey W. Marcy, Steven S. Vogt, Debra A. Fischer, ...
High-precision, high-cadence radial velocity monitoring over the past 8 yr at the W. M. Keck Observatory reveals evidence for a third planet orbiting the nearby (4.69 pc) dM4 star GJ 876. The...
Three low-mass planets from the Anglo-Australian planet search (2005)
Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., Penny, Alan J., McCarthy, Chris, ...
[Abstract]: We report the detection of three new low-mass planets from the Anglo-Australian Planet Search. The three parent stars of these planets are chromospherically quiet main-sequence G dwarfs...
Debra A. Fischer, Gregory Laughlin, Geoffrey W. Marcy, R. Paul Butler, Steven S. Vogt, John A. Johnson, ...
We report the detection of two short-period planets discovered at Keck Observatory. HD 149143 is a metal-rich G0 IV star with a planet of M sin i 1:33MJ and an orbital radius of 0.053 AU. The...
Debra A. Fischer, Gregory W. Henry, Greg Laughlin, R. Paul Butler, K. L. Tah, ...
Doppler measurements from Subaru and Keck have revealed radial velocity variations in the V 8:15, G0 IV star HD 149026 consistent with a Saturn-mass planet in a 2.8766 day orbit. Photometric...
Multiple companions to HD 154857 and HD 160691 (2004)
McCarthy, Chris, Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., Carter, Brad D., ...
[Abstract]: Precise Doppler measurements from the Anglo-Australian Telescope (AAT) UCLES spectrometer reveal twocompanions to both HD 154857 and HD 160691. The inner companion to HD 154857 has a...
Multiple companions to HD 154857 and HD 160691 (2004)
McCarthy, Chris, Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., Carter, Brad D., ...
[Abstract]: Precise Doppler measurements from the Anglo-Australian Telescope (AAT) UCLES spectrometer reveal two companions to both HD 154857 and HD 160691. The inner companion to HD 154857 has a...
Multiple companions to HD 154857 and HD 160691 (2004)
McCarthy, Chris, Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., Carter, Brad D., ...
[Abstract]: Precise Doppler measurements from the Anglo-Australian Telescope (AAT) UCLES spectrometer reveal two companions to both HD 154857 and HD 160691. The inner companion to HD 154857 has a...
Multiple companions to HD 154857 and HD 160691 (2004)
McCarthy, Chris, Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., Carter, Brad D., ...
[Abstract]: Precise Doppler measurements from the Anglo-Australian Telescope (AAT) UCLES spectrometer reveal twocompanions to both HD 154857 and HD 160691. The inner companion to HD 154857 has a...
Multiple Companions to HD 154857 and HD 160691 (2004)
McCarthy, Chris, Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., Carter, Brad, ...
Precise Doppler measurements from the AAT/UCLES spectrometer reveal two companions to both HD 154857 and HD 160691. The inner companion to HD 154857 has a period of 398 d, an eccentricity of 0.51,...
McArthur, Barbara E., Endl, Michael, Cochran, William D., Benedict, G. Fritz, Fischer, Debra A., Marcy, Geoffrey W., ...
We report the detection of the lowest mass extra-solar planet yet found around a Sun-like star - a planet with an \msini of only 14.21 $\pm$ 2.91 Earth masses in an extremely short period orbit...
Oscillation frequencies and mode lifetimes in alpha Centauri A (2004)
Bedding, Timothy R., Kjeldsen, Hans, Butler, R. Paul, McCarthy, Chris, Marcy, Geoffrey W., O'Toole, Simon J., ...
We analyse our recently-published velocity measurements of alpha Cen A (Butler et al. 2004). After adjusting the weights on a night-by-night basis in order to optimize the window function to minimize...
Chromospheric CaII Emission in Nearby F, G, K, and M stars (2004)
Wright, Jason T., Marcy, Geoffrey W., Butler, R. Paul, Vogt, Steve S.
We present chromospheric CaII activity measurements, rotation periods and ages for ~1200 F-, G-, K-, and M- type main-sequence stars from ~18,000 archival spectra taken at Keck and Lick Observatories...
Multiple companions to HD 154857 and HD 160691 (2004)
McCarthy, Chris, Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., Carter, Brad D., ...
[Abstract]: Precise Doppler measurements from the Anglo-Australian Telescope (AAT) UCLES spectrometer reveal two companions to both HD 154857 and HD 160691. The inner companion to HD 154857 has a...
C. G. Tinney, R. Paul Butler, Geoffrey W. Marcy, Alan J. Penny, Chris Mccarthy, ...
We report the detection of three new low-mass planets from the Anglo-Australian Planet Search. The three parent stars of these planets are chromospherically quiet main-sequence G dwarfs with...
Geoffrey W. Marcy, R. Paul Butler, Steven S. Vogt, Debra A. Fischer, Gregory W. Henry, Greg Laughlin, ...
We report multiple Doppler measurements of five nearby FGK main-sequence stars and subgiants obtained during
R. Paul Butler, Steven S. Vogt, Geoffrey W. Marcy, Debra A. Fischer, Jason T. Wright, Gregory W. Henry, ...
We report precise Doppler measurements of GJ 436 (M2.5 V) obtained at Keck Observatory. The velocities reveal a planetary companion with orbital period of 2.644 days, eccentricity of 0.12 (consistent...
Multiple companions to HD 154857 and HD 160691 (2004)
McCarthy, Chris, Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., Carter, Brad D., ...
[Abstract]: Precise Doppler measurements from the Anglo-Australian Telescope (AAT) UCLES spectrometer reveal two companions to both HD 154857 and HD 160691. The inner companion to HD 154857 has a...
Ultra-high-precision velocity measurements of oscillations in alpha Cen A (2003)
Butler, R. Paul, Bedding, Timothy R., Kjeldsen, Hans, McCarthy, Chris, O'Toole, Simon J., Tinney, Christopher G., ...
We have made differential radial velocity measurements of the star alpha Cen A using two spectrographs, UVES and UCLES, both with iodine absorption cells for wavelength referencing. Stellar...
A planet in a circular orbit with a 6 year period (2003)
Carter, Brad D., Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., McCarthy, Chris, ...
[Abstract]: Precision Doppler velocity measurements from the 3.9 m Anglo-Australian Telescope reveal a planet with a 6 yr period orbiting the G5 dwarf HD 70642. The a = 3.3 AU orbit has a low...
A planet in a circular orbit with a 6 year period (2003)
Carter, Brad D., Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., McCarthy, Chris, ...
[Abstract]: Precision Doppler velocity measurements from the 3.9 m Anglo-Australian Telescope reveal a planet with a 6 yr period orbiting the G5 dwarf HD 70642. The a = 3.3 AU orbit has a low...
A planet in a circular orbit with a 6 year period (2003)
Carter, Brad D., Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., McCarthy, Chris, ...
[Abstract]: Precision Doppler velocity measurements from the 3.9 m Anglo-Australian Telescope reveal a planet with a 6 yr period orbiting the G5 dwarf HD 70642. The a = 3.3 AU orbit has a low...
A planet in a circular orbit with a 6 year period (2003)
Carter, Brad D., Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., McCarthy, Chris, ...
[Abstract]: Precision Doppler velocity measurements from the 3.9 m Anglo-Australian Telescope reveal a planet with a 6 yr period orbiting the G5 dwarf HD 70642. The a = 3.3 AU orbit has a low...
A Planet in a Circular Orbit with a 6 Year Period (2003)
Carter, Brad D., Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., McCarthy, Chris, ...
Precision Doppler velocity measurements from the 3.9--m Anglo-Australian Telescope reveal a planet with a 6 year period orbiting the G5 dwarf HD 70642. The a = 3.3 AU orbit has a low eccentricity (e...
A planet in a circular orbit with a 6 year period (2003)
Carter, Brad D., Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., McCarthy, Chris, ...
[Abstract]: Precision Doppler velocity measurements from the 3.9 m Anglo-Australian Telescope reveal a planet with a 6 yr period orbiting the G5 dwarf HD 70642. The a = 3.3 AU orbit has a low...
The Statistics of Extrasolar Planets: Results from the Keck Survey (2003)
Andrew Cumming, Georey W. Marcy, R. Paul Butler, Steven S
We present an analysis of precision radial velocity measurements for 580 stars from the Keck survey. We rst discuss the detection threshold of the survey, and then describe a Bayesian approach to...
Timothy R. Bedding, Hans Kjeldsen, R. Paul Butler, Chris Mccarthy, Geoffrey W. Marcy, Simon J. O’toole, ...
We analyze our recently published velocity measurements of Cen A. After adjusting the weights on a nightby-night basis in order to optimize the window function to minimize sidelobes, we extract 42...
Debra A. Fischer, R. Paul Butler, Geoffrey W. Marcy, Steven S. Vogt, Gregory W. Henry
We report precise Doppler velocities of HD 3651 obtained at Lick and Keck Observatories. The velocities reveal evidence of a planetary companion with an orbital period of 62:23 0:03 days, an...
A planet in a circular orbit with a 6 year period (2003)
Carter, Brad D., Butler, R. Paul, Tinney, C. G., Jones, Hugh R. A., Marcy, Geoffrey W., McCarthy, Chris, ...
[Abstract]: Precision Doppler velocity measurements from the 3.9 m Anglo-Australian Telescope reveal a planet with a 6 yr period orbiting the G5 dwarf HD 70642. The a = 3.3 AU orbit has a low...
An exoplanet in orbit around tau^1 Gruis (2002)
Jones, Hugh R. A., Butler, R. Paul, Tinney, Chris G., Marcy, Geoff W., Penny, Alan J., McCarthy, Chris, ...
We report the detection of a new candidate exoplanet around the metal-rich star tau^1 Gruis. With M sin $i$ = 1.23+/-0.18 M_JUP, a period of 1326+/-300 d and an orbit with an eccentricity of...
The Statistics of Extrasolar Planets: Results from the Keck Survey (2002)
Cumming, Andrew, Marcy, Geoffrey W., Butler, R. Paul, Vogt, Steven S.
We present an analysis of precision radial velocity measurements for 580 stars from the Keck survey. We first discuss the detection threshold of the survey, and then describe a Bayesian approach to...
A Planet at 5 AU Around 55 Cancri (2002)
Marcy, Geoffrey W., Butler, R. Paul, Fischer, Debra A., Laughlin, Greg, Vogt, Steven S., Henry, Gregory W., ...
We report precise Doppler shift measurements of 55 Cancri (G8V) obtained from 1989 to 2002 at Lick Observatory. The velocities reveal evidence for an outer planetary companion to 55 Cancri orbiting...
Four new planets orbiting somewhat metal-enriched stars (2002)
Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., Penny, Alan J., McCarthy, Chris, ...
We report the detection of four new extra-solar planets from the Anglo-Australian Planet Search orbiting the somewhat metal-enriched stars HD73526, HD76700, HD30177 and HD2039. The planetary...
Extra-solar planets around HD196050, HD216437 and HD160691 (2002)
Jones, Hugh R. A., Butler, R. Paul, Marcy, Geoffrey W., Tinney, Chris G., Penny, Alan J., McCarthy, Chris, ...
We report precise Doppler measurements of the stars HD 216437, HD 196050 and HD 160691 obtained with the Anglo-Australian Telescope using the UCLES spectrometer together with an iodine cell as part...
On the Double Planet System Around HD 83443 (2002)
Butler, R. Paul, Marcy, Geoffrey W., Vogt, Steven S., Tinney, C. G., Jones, Hugh R. A., McCarthy, Chris, ...
The Geneva group has reported two Saturn-mass planets orbiting HD 83443 (K0V) with periods of 2.98 and 29.8 d. The two planets have raised interest in their dynamics because of the possible 10:1...
Echelle spectroscopy of Ca II HK activity in Southern Hemisphere planet search targets (2002)
Tinney, C. G., McCarthy, Chris, Jones, Hugh R. A., Butler, R. Paul, Carter, Brad D., Marcy, Geoffrey W., ...
We present the results of ultraviolet echelle spectroscopy of a sample of fifty nine F,G,K and M stars from the Anglo-Australian Planet Search target list. Ca II activity indices, which are essential...
Four new planets orbiting somewhat metal-enriched stars (2002)
Tinney, C G, Butler, R Paul, Marcy, Geoffrey W, Jones, Hugh R A, Penny, Alan J, McCarthy, Chris, ...
An Exoplanet in orbit around Tau^1 Gruis (2002)
Jones, Hugh R A, Butler, R Paul, Tinney, Chris G, Marcy, Geoff W, Penny, Alan J, McCarthy, Chris, ...
A Second Planet Orbiting 47 Ursae Majoris (2002)
Debra A. Fischer, Geoffrey W. Marcy, R. Paul Butler, Gregory Laughlin, Steven S. Vogt
Precise Doppler velocity measurements during 13 yr at Lick Observatory reveal the presence of two planets orbiting the star 47 UMa. The previously detected inner planet is conrmed by the newer...
Radial Velocities for 889 Late-type Stars (2001)
Nidever, David L., Marcy, Geoffrey W., Butler, R. Paul, Fischer, Debra A., Vogt, Steven S.
We report radial velocities for 844 FGKM-type main sequence and subgiant stars and 45 K giants, most of which had either low-precision velocity measurements or none at all. These velocities differ...
Liu, Michael C., Fischer, Debra A., Graham, James R., Lloyd, James P., Marcy, Geoff W., Butler, R. Paul
We have found a very faint companion to the active solar analog HR 7672 (HD 190406; GJ 779; 15 Sge). Three epochs of high resolution imaging using adaptive optics (AO) at the Gemini-North and Keck II...
A probable planetary companion to HD 39091 from the Anglo-Australian Planet Search (2001)
Jones, Hugh R. A., Butler, R. Paul, Tinney, C. G., Marcy, Geoffrey W., Penny, Alan J., McCarthy, Chris, ...
We report the detection of a extrasolar planet candidate orbiting the G1 V star HD 39091. The orbital period is 2083 d and the eccentricity is 0.62. With a minimum (M sin $i$) mass of 10.3 M$_{\rm...
Two extra-solar planets from the Anglo-Australian Planet Search (2001)
Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., Penny, Alan J., McCarthy, Chris, ...
We report the detection of two new extra-solar planets from the Anglo-Australian Planet Search around the stars HD142 and HD23079. The planet orbiting HD142 has an orbital period of just under one...
Ten Low Mass Companions from the Keck Precision Velocity Survey (2001)
Vogt, Steven S., Butler, R. Paul, Marcy, Geoffrey W., Fischer, Debra A., Pourbaix, Dimitri, Apps, Kevin, ...
Ten new low mass companions have emerged from the Keck precision Doppler velocity survey, with minimum (msini) masses ranging from 0.8 mjup to 0.34 msun. Five of these are planet candidates with...
Evidence for solar-like oscillations in beta Hydri (2000)
Bedding, Timothy R., Butler, R. Paul, Kjeldsen, Hans, Baldry, Ivan K., O'Toole, Simon J., Tinney, Christopher G., ...
We have made a clear detection of excess power, providing strong evidence for solar-like oscillations in the G2 subgiant beta Hyi. We observed this star over five nights with the UCLES echelle...
Tinney, C. G., Butler, R. Paul, Marcy, Geoffrey W., Jones, Hugh R. A., Penny, Alan J., Vogt, Steven S., ...
We report results from the Anglo-Australian Planet Search -- a survey for planets around 200 solar-type stars in the southern hemisphere, which is being carried out on the 3.9m Anglo-Australian...
Evidence for a Long-period Planet Orbiting Epsilon Eridani (2000)
Hatzes, Artie P., Cochran, William D., McArthur, Barbara, Baliunas, Sallie L., Walker, Gordon A. H., Campbell, Bruce, ...
High precision radial velocity (RV) measurements spanning the years 1980.8--2000.0 are presented for the nearby (3.22 pc) K2 V star $\epsilon$ Eri. These data, which represent a combination of six...
The Very Low Mass Component of the Gliese 105 System (2000)
Golimowski, David A., Henry, Todd J., Krist, John E., Schroeder, Daniel J., Marcy, Geoffrey W., Fischer, Debra A., ...
Multiple-epoch, multicolor images of the astrometric binary Gliese 105A and its very low mass companion Gliese 105C have been obtained using the Hubble Space Telescope's Wide Field Planetary Camera 2...
Planets Orbiting Other Suns (2000)
Geoffrey W. Marcy, R. Paul Butler
. After a century fraught with false claims, evidence for planets around other stars nally appears robust. Infrared imaging and spectroscopy of disks around stars foreshadow detailed models of the...
R. Paul Butler, Steven S. Vogt, Geoffrey W. Marcy, Debra A. Fischer, Gregory W. Henry, Kevin Apps
Precise Doppler measurements from the Keck/HIRES spectrometer reveal periodic Keplerian velocity variations in the stars BD [10¡3166 and HD 52265. BD [10¡3166 (K0 V) has a period of 3.487 days and...
Six New Planets from the Keck Precision Velocity Survey (1999)
Vogt, Steven S., Marcy, Geoffrey W., Butler, R. Paul, Apps, Kevin
We report results of a search for planets around 500 main sequence stars using the Keck high resolution spectrometer which has provided Doppler precision of 3 m/s during the past 3 yr. We report 6...
The Lick Planet Search: Detectability and Mass Thresholds (1999)
Cumming, Andrew, Marcy, Geoffrey W., Butler, R. Paul
We analyse 11 years of precise radial velocities for 76 solar type stars from the Lick survey. Eight stars in this sample have previously reported planetary-mass companions, all with mass (m sin i)...
Two New Candidate Planets in Eccentric Orbits (1999)
Marcy, Geoffrey W., Butler, R. Paul, Vogt, Steven S., Fischer, Debra, Liu, Michael C.
Doppler measurements of two G-type main-sequence stars, HD210277 and HD168443, reveal Keplerian variations that imply the presence of companions with masses (M sin i) of 1.28 and 5.04 M_Jup and...
Evidence for multiple companions to upsilon Andromedae (1999)
R. Paul Butler, Geoffrey W. Marcy, Debra A. Fischer, Timothy W. Brown, Adam R. Contos, Sylvain G. Korzennik, ...
submitted to the Astrophysical Journal
The Lick Planet Search: Detectability And Mass Thresholds (1999)
Andrew Cumming, Geoffrey Marcy, R. Paul Butler
We present an analysis of 11 yr of precision radial velocity measurements of 76 nearby solar-type stars from the Lick radial velocity survey. For each star, we report on variability, periodicity, and...
Two New Candidate Planets in Eccentric Orbits (1999)
Geoffrey W. Marcy, R. Paul Butler, Steven S. Vogt, Debra Fischer, Michael C. Liu
Doppler measurements of two G-type main-sequence stars, HD 210277 and HD 168443, reveal Keplerian variations that imply the presence of companions with masses (M sin i) of 1.28 and 5.04 M J (where is...
A Planet with a 3.1 Day Period around a Solar Twin (1998)
R. Paul Butler, Geoffrey W. Marcy, Steven S. Vogt
. Doppler measurements from the Keck/HIRES spectrometer of the G3 V star HD 187123 reveal Keplerian variations with a period of 3.097 days and a semiamplitude of 72 m s 21 . An orbital fit yields a...
A Precision Velocity Study Of Photometrically Stable Stars In The Cepheid Instability Strip (1998)
Results of a precision Doppler velocity survey of 15 stars that lie in or near the Cepheid instability strip are presented. Previous studies have shown that these stars are photometrically stable....
A Comparison Of The Near-Infrared And Visible Spectra Of Three Bright Cepheids (1997)
Bright Cepheids, R. Paul Butler, Roger A. Bell
Recent studies have suggested that signicant di+erences may exist between the IR and the visible radial velocity curves and line proles for Cepheid variable stars. Such wavelength-dependent phenomena...
Brown Dwarfs and Planets Around Solar--Type Stars: Searches by Precise Velocities (1995)
Geoffrey Marcy Paul, R. Paul Butler
: We review eight major searches for both brown dwarfs and extra--solar planets which use precise velocity measurements to detect the reflex motion of the host primary star. Two searches have...