Debra A. Fischer

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...

A Substellar Companion in a 1.3 yr Nearly-circular Orbit of HD 16760 (2009)

Sato, Bunei, Fischer, Debra A., Ida, Shigeru, Harakawa, Hiroki, Omiya, Masashi, Johnson, John A., ...

We report the detection of a substellar companion orbiting the G5 dwarf HD 16760 from the N2K sample. Precise Doppler measurements of the star from Subaru and Keck revealed a Keplerian velocity...

A Third Planet Orbiting HIP 14810 (2009)

Wright, Jason T., Fischer, Debra A., Ford, Eric B., Veras, Dimitri, Wang, Ji, Henry, Gregory W., ...

We present new precision radial velocities and a three-planet Keplerian orbit fit for the V = 8.5, G5 V star HIP 14810. We began observing this star at Keck Observatory as part of the N2K Planet...

Old, Rich, and Eccentric: Two Jovian Planets Orbiting Evolved Metal-Rich Stars (2009)

Peek, Kathryn M. G., Johnson, John Asher, Fischer, Debra A., Marcy, Geoffrey W., Henry, Gregory W., Howard, Andrew W., ...

We present radial velocity measurements of two stars observed as part of the Lick Subgiants Planet Search and the Keck N2K survey. Variations in the radial velocities of both stars reveal the...

Astrometric Detection of Earthlike Planets (2009)

Shao, Michael, Marcy, Geoff, Catanzarite, Joseph H., Edberg, Stephen J., Leger, Alain, Malbet, Fabien, ...

Astrometry can detect rocky planets in a broad range of masses and orbital distances and measure their masses and three-dimensional orbital parameters, including eccentricity and inclination, to...

The NASA-UC Eta-Earth Program: I. A Super-Earth Orbiting HD 7924 (2009)

Howard, Andrew W., Johnson, John A., Marcy, Geoffrey W., Fischer, Debra A., Wright, Jason T., Henry, Gregory W., ...

We report the discovery of the first low-mass planet to emerge from the NASA-UC Eta-Earth Program, a super-Earth orbiting the K0 dwarf HD 7924. Keplerian modeling of precise Doppler radial velocities...

HATNet Field G205: Follow-Up Observations of 28 Transiting-Planet candidates and Confirmation of the Planet HAT-P-8b (2008)

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...

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...

Taking the Measure of the Universe : precision astrometry with SIM PlanetQuest (2008)

Unwin, Stephen C., Shao, Michael, Tanner, Angelle M., Allen, Ronald J., Beichman, Charles A., Boboltz, David, ...

Precision astrometry at microarcsecond accuracy has application to a wide range of astrophysical problems. This paper is a study of the science questions that can be addressed using an instrument...

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...

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 Keck Planet Search: Detectability and the Minimum Mass and Orbital Period Distribution of Extrasolar Planets (2008)

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...

Formation and Detectability of Terrestrial Planets Around Alpha Centauri B (2008)

Guedes, Javiera M., Rivera, Eugenio J., Davis, Erica, Laughlin, Gregory, Quintana, Elisa V., Fischer, Debra A.

We simulate the formation of planetary systems around Alpha Centauri B. The N-body accretionary evolution of a 1/r disk populated with 400-900 lunar-mass protoplanets is followed for 200 Myr. All...

Taking the measure of the universe: precision astrometry with SIM PlanetQuest (2008)

Unwin, Stephen C., Shao, Michael, Tanner, Angelle M., Allen, Ronald J., Beichman, Charles A., Boboltz, David, ...

Precision astrometry at microarcsecond accuracy has applications for a wide range of astrophysical problems. This paper is a study of the science questions that can be addressed using an instrument...

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....

Retired A Stars and Their Companions II: Jovian planets orbiting kappa Coronae Borealis and HD167042 (2007)

Johnson, John A., Marcy, Geoffrey W., Fischer, Debra A., Wright, Jason T., Reffert, Sabine, Kregenow, Julia M., ...

We report precise Doppler measurements of two evolved stars, kappa CrB (HD142091) and HD 167042, obtained at Lick Observatory as part of our search for planets orbiting intermediate-mass subgiants....

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...

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...

Andromedae1 (2007)

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...

3 (2007)

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...

Planetary Messages in the Doppler Residuals (2007)

A. J. Penny, P. Artymowicz, S. S. Russell, Geoffrey W. Marcy, Debra A. Fischer, ...

Abstract. The Doppler residuals to the Keplerian fits for extrasolar planets reveal important properties of the planets and host stars. Stellar magnetic fields modify the photospheric velocity...

A Second Planet Orbiting 47 UMa 1 (2007)

Debra A. Fischer, Geoffreyw. Marcy, R. Paulbutler, Gregory Laughlin

Precise Doppler velocity measurments during 13 years at Lick Observatory reveal the presence of two planets orbiting the star 47 UMa. The previously detected inner planet is confirmed by the newer...

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...

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...

Radial Velocities For 889 Late-Type Stars (2007)

David Nidever Geoffrey, Geoffrey W. Marcy, Debra A. Fischer, Steven S. Vogt, V Udry

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 di#er...

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...

A Planet At 5 Au Around 55 Cancri (2007)

Geoffrey Marcy Paul, Debra A. Fischer, Greg Laughlin, Steven S. Vogt, Gregory W. Henry, Dimitri Pourbaix

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...

A determination of the spin-orbit alignment of the anomalously dense planet orbiting HD 149026 (2007)

Wolf, Aaron S., Laughlin, Gregory, Henry, Gregory W., Fischer, Debra A., Marcy, Geoff, Butler, Paul, ...

We report 35 radial velocity measurements of HD 149026 taken with the Keck Telescope. Of these measurements, 15 were made during the transit of the companion planet HD 149026b, which occurred on 2005...

A Search for Binary Stars at Low Metallicity (2007)

Lai, David K., Lucatello, Sara, Bolte, Michael, Fischer, Debra A., Johnson, Jennifer A.

We present initial results measuring the companion fraction of metal-poor stars ([Fe/H]$

Taking the Measure of the Universe: Precision Astrometry with SIM PlanetQuest (2007)

Unwin, Stephen C., Shao, Michael, Tanner, Angelle M., Allen, Ronald J., Beichman, Charles A., Boboltz, David, ...

Precision astrometry at microarcsecond accuracy has application to a wide range of astrophysical problems. This paper is a study of the science questions that can be addressed using an instrument...

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...

Fourteen New Companions from the Keck & Lick Radial Velocity Survey Including Five Brown Dwarf Candidates (2007)

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...

Retired A Stars and Their Companions: Exoplanets Orbiting Three Intermediate-Mass Subgiants (2007)

Johnson, John A., Fischer, Debra A., Marcy, Geoffrey W., Wright, Jason T., Driscoll, Peter, Butler, R. P., ...

We report precision Doppler measurements of three intermediate-mass subgiants from Lick and Keck Observatories. All three stars show variability in their radial velocities consistent with planet-mass...

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...

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...

The N2K Consortium. VII. Atmospheric Parameters of 1907 Metal-Rich Stars: Finding Planet-Search Targets (2007)

Robinson, Sarah E., Ammons, S. Mark, Kretke, Katherine A., Strader, Jay, Wertheimer, Jeremy G., Fischer, Debra A., ...

We report high-precision atmospheric parameters for 1907 stars in the N2K low-resolution spectroscopic survey, designed to identify metal-rich FGK dwarfs likely to harbor detectable planets. 284 of...

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 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...

# 2007. The American Astronomical Society. All rights reserved. Printed in U.S.A. TWO JOVIAN-MASS PLANETS IN EARTHLIKE ORBITS 1 (2007)

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...

The Search for an Atmospheric Signature of the Transiting Exoplanet HD 149026b (2006)

Bozorgnia, Nassim, Fortney, Jonathan J., McCarthy, Chris, Fischer, Debra A., Marcy, Geoffrey W.

HD 149026b is a short-period, Saturn-mass planet that transits a metal-rich star. The planet's radius, determined by photometry, is remarkably small compared to other known transiting planets, with a...

An Eccentric Hot Jupiter Orbiting the Subgiant HD 185269 (2006)

Johnson, John A., Marcy, Geoffrey W., Fischer, Debra A., Henry, Gregory W., Wright, Jason T., Isaacson, Howard, ...

We report the detection of a Jupiter-mass planet in a 6.838 day orbit around the 1.28 solar mass subgiant HD 185269. The eccentricity of HD 185269b (e = 0.30) is unusually large compared to other...

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...

Structure and Evolution of Nearby Stars with Planets II. Physical Properties of ~1000 Cool Stars from the SPOCS Catalog (2006)

Takeda, Genya, Ford, Eric B., Sills, Alison, Rasio, Frederic A., Fischer, Debra A., Valenti, Jeff A.

We derive detailed theoretical models for 1074 nearby stars from the SPOCS (Spectroscopic Properties of Cool Stars) Catalog. The California and Carnegie Planet Search has obtained high-quality...

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 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...

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...

# 2006. The American Astronomical Society. All rights reserved. Printed in U.S.A. AN ECCENTRIC HOT JUPITER ORBITING THE SUBGIANT HD 185269 1 (2006)

John Asher Johnson, Geoffrey W. Marcy, Debra A. Fischer, Gregory W. Henry, Jason T. Wright, Howard Isaacson, ...

We report the detection of a Jupiter-mass planet in a 6.838 day orbit around the 1.28 M � subgiant HD 185269. The eccentricity of HD 185269b (e 0:30) is unusually large compared to other planets...

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...

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...

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...

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...

A DETERMINATION OF THE SPIN-ORBIT ALIGNMENT OF THE ANOMALOUSLY DENSE PLANET ORBITING HD 149026 1 (2005)

Aaron S. Wolf, Gregory Laughlin, Gregory W. Henry, Debra A. Fischer, Geoff Marcy, Paul Butler, ...

We report 35 radial velocity measurements of HD 149026 taken with the Keck Telescope. Of these measurements, 15 were made during the transit of the companion planet HD 149026b, which occurred on 2005...

� 2005. The American Astronomical Society. All rights reserved. Printed in U.S.A. ON THE ECCENTRICITY OF HD 209458b 1 (2005)

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...

# 2005. The American Astronomical Society. All rights reserved. Printed in U.S.A. FIVE NEW MULTICOMPONENT PLANETARY SYSTEMS 1 (2005)

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...

# 2005. The American Astronomical Society. All rights reserved. Printed in U.S.A. A �7.5 M � PLANET ORBITING THE NEARBY STAR, GJ 876 1 (2005)

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...

A (2005)

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...

A THE N2K CONSORTIUM. II. A TRANSITING HOT SATURN AROUND HD 149026 WITH A LARGE DENSE CORE 1,2 (2005)

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,...

Detection of a NEPTUNE-mass planet in the $\rho^{1}$ Cancri system using the Hobby-Eberly Telescope (2004)

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...

A Neptune-Mass Planet Orbiting the Nearby M Dwarf GJ 436 (2004)

Butler, Paul, Vogt, Steven S., Marcy, Geoffrey W., Fischer, Debra A., Wright, Jason T., Henry, Gregory W., ...

We report precise Doppler measurements of GJ 436 (M2.5V) obtained at Keck Observatory. The velocities reveal a planetary companion with orbital period of 2.644 d, 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...

# 2005. The American Astronomical Society. All rights reserved. Printed in U.S.A. THREE LOW-MASS PLANETS FROM THE ANGLO-AUSTRALIAN PLANET SEARCH 1 (2004)

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...

# 2004. The American Astronomical Society. All rights reserved. Printed in U.S.A. A NEPTUNE-MASS PLANET ORBITING THE NEARBY M DWARF GJ 436 1 (2004)

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...

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...

Early-type Stars: Most Favorable Targets for Astrometrically Detectable Planets in the Habitable Zone (2003)

Gould, Andrew, Fischer, Debra A.

Early-type stars appear to be a difficult place to look for planets astrometrically. First, they are relatively heavy, and for fixed planetary mass the astrometric signal falls inversely as the...

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...

Working Group on Extrasolar Planets 8 (including planet candidates (2003)

Chris Mccarthy, Debra A. Fischer, Alan J. Penny

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 p 3.3 AU orbit has a low eccentricity ( e p...

# 2003. The American Astronomical Society. All rights reserved. Printed in U.S.A. A SUB-SATURN MASS PLANET ORBITING HD 3651 1 (2003)

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...

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...

TEN LOW-MASS COMPANIONS FROM THE KECK PRECISION VELOCITY SURVEY Steven S. Vogt, (2002)

Paul Butler Geoffrey, Steven S. Vogt, Geoffrey W. Marcy, Debra A. Fischer, Dimitri Pourbaix, Gregory Laughlin

Ten new companions have emerged from the Keck precision Doppler velocity survey, with minimum (M sin i) masses ranging from 0.8 M JUP to 0.34 M . Five of these are planet candidates with M sin i <...

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...

Crossing the Brown Dwarf Desert Using Adaptive Optics: A Very Close L-Dwarf Companion to the Nearby Solar Analog HR 7672 (2001)

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...

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...

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...

( 2000. The American Astronomical Society. All rights reserved. Printed in U.S.A. PLANETARY COMPANIONS TO THE METAL-RICH STARS BD [10¡3166 AND HD 522651 (2000)

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...

Extrasolar Planets Around Main Sequence Stars (1999)

Geoffrey Marcy Astronomy, Geoffrey W. Marcy, Debra A. Fischer, Steven S. Vogt, G. Lemarchand

. Planetary systems have emerged as a new class of astronomical objects, studied by a remarkable array of new observations. Doppler observations of stars have revealed 35 planets having masses...