Two Exoplanets Discovered at Keck Observatory (2009)
Valenti, J. A., Fischer, D. A., Marcy, G. W., Johnson, J. A., Henry, G. W., Wright, J. T., ...
We present two exoplanets detected at Keck Observatory. HD 179079 is a G5 subgiant that hosts a hot Neptune planet with Msini = 27.5 M_earth in a 14.48 d, low-eccentricity orbit. The stellar reflex...
Five planets and an independent confirmation of HD 196885Ab from Lick Observatory (2009)
Fischer, D. A., Driscoll, P., Isaacson, H., Giguere, M., Marcy, G. W., Valenti, J. A., ...
We present time series Doppler data from Lick Observatory that reveal the presence of long-period planetary companions orbiting nearby stars. The typical eccentricity of these massive planets are...
HAT-P-13b,c: a transiting hot Jupiter with a massive outer companion on an eccentric orbit (2009)
Bakos, G. A., Howard, A. W., Noyes, R. W., Hartman, J., Torres, G., Kovacs, Geza, ...
We report on the discovery of a planetary system with a close-in transiting hot Jupiter on a near circular orbit and a massive outer planet on a highly eccentric orbit. The inner planet, HAT-P-13b,...
The Frequency of Low-mass Exoplanets (2009)
O'Toole, S. J., Jones, H. R. A., Tinney, C. G., Butler, R. P., Marcy, G. W., Carter, B., ...
We report first results from the Anglo-Australian Telescope Rocky Planet Search - an intensive, high-precision Doppler planet search targeting low-mass exoplanets in contiguous 48 night observing...
HAT-P-12b: A Low-Density Sub-Saturn Mass Planet Transiting a Metal-Poor K Dwarf (2009)
Hartman, J. D., Bakos, G. Á., Torres, G., Kovács, Géza, Noyes, R. W., Pál, A., ...
We report on the discovery of HAT-P-12b, a transiting extrasolar planet orbiting the moderately bright V=12.8 K4 dwarf GSC 03033-00706, with a period P = 3.2130598 +- 0.0000021 d, transit epoch Tc =...
HAT-P-11b: A Super-Neptune Planet Transiting a Bright K Star in the Kepler Field (2009)
Bakos, G. Á., Torres, G., Pál, A., Hartman, J., Kovács, Géza, Noyes, R. W., ...
We report on the discovery of HAT-P-11b, the smallest radius transiting extrasolar planet (TEP), and the first hot Neptune discovered to date by transit searches. HAT-P-11b orbits the bright (V=9.59)...
A Jupiter-Like Planet Orbiting the Nearby M dwarf GJ 832. (2009)
Bailey, J., Butler, R.P., Tinney, C.G., Jones, H.R.A., O'Toole, S., Carter, B.D., ...
Original article can be found at: http://www.iop.org/EJ/journal/apj Copyright American Astronomical Society DOI: 10.1088/0004-637X/690/1/743 [Full text of this article is not available in the UHRA]
Selection functions in doppler planet searches. (2009)
O'Toole, S., Tinney, C.J., Jones, H.R.A., Butler, R.P., Marcy, G.W., Carter, B., ...
‘The definitive version is available at www3.interscience.wiley.com '. Copyright Blackwell Publishing / Royal Astronomical Society. DOI: 10.1111/j.1365-2966.2008.14051.x
The frequency of low-mass exoplanets. (2009)
O'Toole, S., Jones, H.R.A., Tinney, C.G., Butler, R.P., Marcy, G.W., Carter, B., ...
Original article can be found at: http://www.iop.org/EJ/journal/apj Copyright American Astronomical Society. DOI: 10.1088/0004-637X/701/2/1732 [Full text of this article is not available in the UHRA]
Ten New and Updated Multi-planet Systems, and a Survey of Exoplanetary Systems (2008)
Wright, J. T., Upadhyay, S., Marcy, G. W., Fischer, D. A., Ford, Eric B., Johnson, John Asher
We present the latest velocities for 10 multi-planet systems, including a re-analysis of archival Keck and Lick data, resulting in improved velocities that supersede our previously published...
Selection Functions in Doppler Planet Searches (2008)
O'Toole, S. J., Tinney, C. G., Jones, H. R. A., Butler, R. P., Marcy, G. W., Carter, B., ...
We present a preliminary analysis of the sensitivity of Anglo-Australian Planet Search data to the orbital parameters of extrasolar planets. To do so, we have developed new tools for the automatic...
Pál, A., Bakos, G. Á., Fernandez, J., Sipöcz, B., Torres, G., Latham, D. W., ...
We present the independent discovery of XO-5b, confirming its planetary nature based on evidences other than that described in the announcement of Burke (2008), namely, the lack of significant...
HAT-P-10b: A light and moderately hot Jupiter transiting a K dwarf (2008)
Bakos, G. A., Pal, A., Torres, G., Sipocz, B., Latham, D. W., Noyes, R. W., ...
We report on the discovery of HAT-P-10b, the lowest mass (0.46 +/- 0.03 MJ) transiting extrasolar planet (TEP) discovered to date by transit searches. HAT-P-10b orbits the moderately bright V=11.89 K...
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. P., Marcy, G. W., Jones, H. R. A., ...
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, Zr, Ba, Nd and...
HAT-P-7b: An Extremely Hot Massive Planet Transiting a Bright Star in the Kepler Field (2008)
Pal, A., Bakos, G. A., Torres, G., Noyes, R. W., Latham, D. W., Kovacs, Geza, ...
We report on the latest discovery of the HATNet project; a very hot giant planet orbiting a bright (V = 10.5) star with a small semi-major axis of a = 0.0377 +/- 0.0005 AU. Ephemeris for the system...
The Jupiter Twin HD 154345b (2008)
Wright, J. T., Marcy, G. W., Butler, R. P., Vogt, S. S., Henry, G. W., Isaacson, H., ...
We announce the discovery of a twin of Jupiter orbiting the slightly metal-poor ([Fe/H] = -0.1) nearby (d = 18 pc) G8 dwarf HD 154345. This planet has a minimum mass of 0.95 Jupiter masses and a 9.2...
Gas and Dust Associated with the Strange, Isolated, Star BP Piscium (2008)
Zuckerman, B., Melis, C., Song, Inseok, Meier, David S., Perrin, Marshall D., Macintosh, Bruce, ...
We have carried out a multiwavelength observational campaign demonstrating some of the remarkable properties of the infrared-bright variable star BP Psc. Surrounded by a compact dusty, gaseous disk,...
Beyond the Iron Peak: r- and s-process Elemental Abundances in Stars with Planets. (2008)
Bond, J., Lauretta, D.S., Tinney, C.G., Butler, R.P., Marcy, G.W., Jones, H.R.A., ...
Original article can be found at: http://www.iop.org/EJ/journal/apj Copyright American Astronomical Society DOI: 10.1086/589236 [Full text of this article is not available in the UHRA]
Gas and dust associated with the strange, isolated, star BP Piscium (2008)
Zuckerman, B., Melis, C., Song, Inseok, Meier, David S., Perrin, Marshall D., Macintosh, Bruce, ...
Also archived in: arXiv:0802.0226v2 [astro-ph]
Exoplanet properties from Lick, Keck and AAT (2008)
Marcy, G. W, Butler, R. P, O'Toole, S. J, Upadhyay, S, Vogt, S. S, Fischer, D. A, ...
Doppler-shift measurements with a remarkable precision of Δλ/λ=3×10⁻⁹, corresponding to velocities of 1 m s⁻¹, have been made repeatedly of 2500 stars located within 300 light years. The...
Smithsonian Astrophysical Observatory, S. H. Saar, R. P. Butler, G. W. Marcy
. The discovery of planets around several solar-like stars by means of high precision radial velocity (v r ) measurements makes it important to explore sources of v r variations intrinsic to the...
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...
HAT-P-6b: A Hot Jupiter transiting a bright F star (2007)
Noyes, R. W., Bakos, G. A., Torres, G., Pal, A., Kovacs, Geza, Latham, D. W., ...
In the ongoing HATNet survey we have detected a giant planet, with radius 1.33 +/- 0.06 RJup and mass 1.06 +/- 0.12 MJup, transiting the bright (V = 10.5) star GSC 03239-00992. The planet is in a...
HAT-P-4b: A metal-rich low-density transiting hot Jupiter (2007)
Kovacs, G., Bakos, G. A., Torres, G., Sozzetti, A., Latham, D. W., Noyes, R. W., ...
We describe the discovery of HAT-P-4b, a low-density extrasolar planet transiting BD+36 2593, a V = 11.2 mag slightly evolved metal-rich late F star. The planet's orbital period is...
HAT-P-3b: A heavy-element rich planet transiting a K dwarf star (2007)
Torres, G., Bakos, G. A., Kovacs, G., Latham, D. W., Fernandez, J. M., Noyes, R. W., ...
We report the discovery of a Jupiter-size planet transiting a relatively bright (V = 11.56) and metal-rich early K dwarf star with a period of about 2.9 days. On the basis of follow-up photometry and...
HD147506b: A Super-Massive Planet in an Eccentric Orbit Transiting a Bright Star (2007)
Bakos, G. A., Kovacs, G., Torres, G., Fischer, D. A., Latham, D. W., Noyes, R. W., ...
We report the discovery of a massive (Mp = 9.04+/-0.50 MJup) planet transiting the bright (V = 8.7) F8 star HD 147506, with an orbital period of 5.63341+/-0.00013 days and an eccentricity of e =...
New planets around Three G Dwarfs. (2007)
O'Toole, S., Butler, R.P., Tinney, C.G., Jones, H.R.A., Marcy, G.W., Carter, B., ...
Original article can be found at: http://www.iop.org/EJ/journal/apj Copyright American Astronomical Society. DOI: 10.1086/513563 [Full text of this article is not available in the UHRA]
Four new exoplanets and hints of additional substellar companions to exoplanet host stars. (2007)
Wright, J.T., Marcy, G.W., Fischer, D.A., Butler, R.P., Vogt, S., Tinney, C.G., ...
Original article can be found at: http://www.iop.org/EJ/journal/apj Copyright American Astronomical Society. DOI: 10.1086/510553 [Full text of this article is not available in the UHRA]
New Debris Disks around Nearby Main-Sequence Stars: Impact on the Direct Detection of Planets (2006)
Beichman, C. A., Bryden, G., Stapelfeldt, K. R., Gautier, T. N., Grogan, K., Shao, M., ...
Using the MIPS instrument on Spitzer, we have searched for infrared excesses around a sample of 82 stars, mostly F, G, and K main-sequence field stars, along with a small number of nearby M stars....
Four New Exoplanets and Hints of Additional Substellar Companions to Exoplanet Host Stars (2006)
Wright, J. T., Marcy, G. W., Fischer, D. A., Butler, R. P., Vogt, S. S., Tinney, C. G., ...
We present four new exoplanets: HIP 14810 b & c, HD 154345 b, and HD 187123 c. The two planets orbiting HIP 14810, from the N2K project, have masses of 3.9 and 0.76 M_jup. We have searched the radial...
HAT-P-1b: A Large-Radius, Low-Density Exoplanet Transiting one Member of a Stellar Binary (2006)
Bakos, G. A., Noyes, R. W., Kovacs, G., Latham, D. W., Sasselov, D. D., Torres, G., ...
Using small automated telescopes in Arizona and Hawaii, the HATNet project has detected an object transiting one member of the double star system ADS 16402 AB. This system is a pair of G0...
The M Dwarf GJ 436 and its Neptune-Mass Planet (2006)
Maness, H. L., Marcy, G. W., Ford, E. B., Hauschildt, P. H., Shreve, A. T., Basri, G. B., ...
We determine stellar parameters for the M dwarf GJ 436 that hosts a Neptune-mass planet. We employ primarily spectral modeling at low and high resolution, examining the agreement between model and...
Catalog of Nearby Exoplanets (2006)
Butler, R. P., Wright, J. T., Marcy, G. W., Fischer, D. A, Vogt, S. S., Tinney, C. G., ...
We present a catalog of nearby exoplanets, available at http://exoplanets.org and ApJ 646, 505 (published version available at the link above). It contains the 172 known low mass companions with...
An Activity Catalogue of Southern Stars (2006)
Jenkins, J. S., Jones, H. R. A., Tinney, C. G., Butler, R. P., McCarthy, C., Marcy, G. W., ...
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 Search. CaII HK...
Precise radial velocities of giant stars: I. Stable stars (2006)
Hekker, S., Reffert, S., Quirrenbach, A., Mitchell, D. S., Fischer, D. A., Marcy, G. W., ...
Context: Future astrometric missions such as SIM PlanetQuest need very stable reference stars. K giants have large luminosities, which place them at large distances and thus the jitter of their...
Precise radial velocities of giant stars. I. Stable stars (2006)
Hekker, S., Reffert, S., Quirrenbach, A., Mitchell, D.S., Fischer, D.A., Marcy, G.W., ...
Precise radial velocities of giant stars. I. Stable stars (2006)
Hekker, S., Reffert, S., Quirrenbach, A., Mitchell, D.S., Fischer, D.A., Marcy, G.W., ...
An activity catalogue of southern stars. (2006)
Jenkins, J.S., Jones, H.R.A., Tinney, C.G., Butler, R.P., McCarthy, C., Marcy, G.W., ...
High-eccentricity planets from the Anglo-Australian planet search (2006)
Jones, H.R.A., Butler, R.P., Tinney, C.G., Marcy, G.W., Carter, B.D., Penny, A.J., ...
The N2K consortium. III. short-period planets orbiting HD 149143 and HD 109749 (2006)
Fischer, D. A., Laughlin, G., Marcy, G. W., Butler, R. P., Vogt, S. S., Johnson, J. A., ...
(c) 2006: The American Astronomical Society
The abundance distribution of stars with planets. (2006)
Bond, J., Tinney, C.G., Butler, R.P., Jones, H.R.A., Marcy, G.W., Penny, A.J., ...
Catalog of nearby exoplanets. (2006)
Butler, R.P., Wright, J.T., Marcy, G.W., Fischer, D.A., Vogt, S., Tinney, C.G., ...
The 2:1 resonant exoplanetary system orbiting HD 73526 (2006)
Tinney, C.G., Butler, R.P., Marcy, G.W., Jones, H.R.A., Laughlin, G., Carter, B.D., ...
The N2K consortium. III. short-period planets orbiting HD 149143 and HD 109749 (2006)
Fischer, D. A., Laughlin, G., Marcy, G. W., Butler, R. P., Vogt, S. S., Johnson, J. A., ...
(c) 2006: The American Astronomical Society
A ~ 7.5 Earth-Mass Planet Orbiting the Nearby Star, GJ 876 (2005)
Rivera, E. J., Lissauer, J. J., Butler, R. P., Marcy, G. W., Vogt, S. S., Fischer, D. A., ...
High precision, high cadence radial velocity monitoring over the past 8 years at the W. M. Keck Observatory reveals evidence for a third planet orbiting the nearby (4.69 pc) dM4 star GJ 876. The...
The N2K Consortium. II. A Transiting Hot Saturn Around HD 149026 With a Large Dense Core (2005)
Sato, B., Fischer, D. A., Henry, G. W., Laughlin, G., Butler, R. P., Marcy, G. W., ...
Doppler measurements from Subaru and Keck have revealed radial velocity variations in the V=8.15, G0IV star HD 149026 consistent with a Saturn-Mass planet in a 2.8766 day orbit. Photometric...
System Parameters of the Transiting Extrasolar Planet HD 209458b (2005)
Wittenmyer, Robert A., Welsh, William F., Orosz, Jerome A., Schultz, A. B., Kinzel, W., Kochte, M., ...
We derive improved system parameters for the HD 209458 system using a model that simultaneously fits both photometric transit and radial velocity observations. The photometry consists of previous...
Observed Properties of Exoplanets: Masses, Orbits, and Metallicities (2005)
Marcy, G.W., Butler, R.P., Fischer, D.A., Vogt, S., Wright, J.T., Tinney, C.G., ...
Three Low-Mass Planets from the Anglo-Australian Planet Search (2005)
Tinney, C.G., Butler, R.P., Marcy, G.W., Jones, H.R.A., Penny, A.J., Carter, B.D., ...
Robert A. Wittenmyer, William F. Welsh, Jerome A. Orosz, A. B. Schultz, W. Kinzel, M. Kochte, ...
We derive improved system parameters for the HD 209458 system using a model that simultaneously fits both photometric transit and radial velocity observations. The photometry consists of previous...
Long baseline interferometric observations of HD 195019: no K dwarf companion detected (2004)
Koresko, C., Memmesson, B., Boden, A. F., Akeson, R. L., Fisher, D. A., Butter, R. P., ...
Radial velocity measurements of the G3V/IV star HD 195019 revealed the presence of an orbiting companion with m sin(i) = 3.5 Jupiter masses and a period of 18 days. Here we present new visability...
A Hot Saturn Planet Orbiting HD 88133, from the N2K Consortium (2004)
Fischer, D. A., Laughlin, G., Butler, R. P., Marcy, G. W., Johnson, J., Henry, G., ...
The N2K consortium is carrying out a distributed observing campaign with the Keck, Magellan and Subaru telescopes, as well as the automatic photometric telescopes of Fairborn Observatory, in order to...
The GJ 876 Planetary System -- A Progress Report (2004)
Laughlin, G., Butler, R. P., Fischer, D. A., Marcy, G. W., Vogt, S. S., Wolf, A. S.
We present an updated analysis of the GJ 876 planetary system based on an augmented data set that incorporates 65 new high-precision radial velocities obtained with the Keck telescope from 2001 to...
Multiple Companions to HD 154857 and HD 160691 (2004)
McCarthy, C., Butler, R.P., Tinney, C.G., Jones, H.R.A., Marcy, G.W., Carter, B.D., ...
HD10647 and the Distribution of Exoplanet Properties with semi-major axis (2004)
Jones, H.R.A., Butler, R.P., Tinney, C.G., Marcy, G.W., McCarthy, C., Carter, B.D., ...
A Planet in a Circular Orbit with a 6 Year Period (2003)
Carter, B.D., Butler, R.P., Tinney, C.G., Jones, H.R.A., Marcy, G.W., McCarthy, C., ...
Confirmation of solar-like oscillations in eta Bootis (2003)
Kjeldsen, H., Bedding, T. R., Baldry, I. K., Bruntt, H., Butler, R. P., Fischer, D. A., ...
We obtained time-series spectroscopy of the G0 subgiant eta Boo in an attempt to confirm the solar-like oscillations reported by Kjeldsen et al. (1995). We recorded 1843 spectra over six consecutive...
An exoplanet in orbit around Tau1 Gruis (2003)
Jones, H.R.A., Butler, R.P., Tinney, C.G., Marcy, G.W., Penny, A.J., McCarthy, C., ...
Four New Planets Orbiting Metal-enriched Stars (2003)
Tinney, C.G., Butler, R.P., Marcy, G.W., Jones, H.R.A., Penny, A.J., Carter, B.D., ...
Recent Discoveries from the Anglo-Australian Planet Search (2003)
McCarthy, C., Jones, H.R.A., Butler, R.P., Carter, B.D., Marcy, G.W., Penny, A.J., ...
Extrasolar planets around HD 196050, HD 216437 and HD 160691 (2002)
Jones, H.R.A., Butler, R.P., Marcy, G.W., Tinney, C.G., Penny, A.J., McCarthy, C., ...
On the Double-Planet System around HD 83443 (2002)
Butler, R.P., Marcy, G.W., Vogt, S., Tinney, C.G., Jones, H.R.A., Penny, A.J., ...
Oscillations in alpha Cen A observed with UCLES at the AAT (2002)
Bedding, T. R., Butler, R. P., McCarthy, C., Kjeldsen, H., Marcy, G. W., O'Toole, S. J., ...
We report Doppler measurements of alpha Cen A from time-series spectroscopy made with UCLES at the 3.9-m AAT. Wavelength calibration using an iodine absorption cell produced high-precision velocity...
A probable planetary companion to HD 39091 from the Anglo-Australian Planet Search (2002)
Jones, H.R.A., Butler, R.P., Tinney, C.G., Marcy, G.W., Penny, A.J., McCarthy, C., ...
Two Extrasolar Planets from the Anglo-Australian Planet Search (2002)
Tinney, C.G., Butler, R.P., Marcy, G.W., Jones, H.R.A., Penny, A.J., McCarthy, C., ...
Echelle spectroscopy of CaII HK activity in Southern Hemisphere planet search targets. (2002)
Tinney, C.G., McCarthy, C., Jones, H.R.A., Butler, R.P., Carter, B.D., Marcy, G.W., ...
Solar-Like Oscillations in beta Hydri: Evidence for Short-Lived High-Amplitude Oscillations (2002)
Bedding, T. R., Kjeldsen, H., Baldry, I. K., Bouchy, F., Butler, R. P., Carrier, F., ...
Velocity measurements of the G2 subgiant beta Hyi with both UCLES and CORALIE show a clear excess of power centred at 1.0 mHz. In the UCLES data we find evidence for a short-lived, high-amplitude...
Confirmation of Solar-Like Oscillations in eta Bootis (2002)
Kjeldsen, H., Bedding, T. R., Baldry, I. K., Frandsen, S., Bruntt, H., Grundahl, F., ...
We report observations of the G0 subgiant eta Boo made in 1998, in Balmer-line equivalent width with the 2.5-m Nordic Optical Telescope and in velocity with the 24-inch Lick CAT. In both data sets we...
Two New Planets from the Anglo-Australian Planet Search (2001)
Butler, R.P., Tinney, C.G., Marcy, G.W., Jones, H.R.A., Penny, A.J., Apps, K.
An Adaptive Optics Survey for Companions to Stars with Extra-Solar Planets (2001)
Lloyd, J. P., Liu, M. C., Graham, J. R., Enoch, M., Kalas, P., Marcy, G. W., ...
We have undertaken an adaptive optics (AO) imaging survey of extrasolar planetary systems and stars showing interesting radial velocity trends from high precision radial velocity searches. AO...
A Lack of Planets in 47 Tucanae from an HST Search (2000)
Gilliland, Ronald L., Brown, T. M., Guhathakurta, P., Sarajedini, A., Milone, E. F., Albrow, M. D., ...
We report results from a large Hubble Space Telescope project to observe a significant (~34,000) ensemble of main sequence stars in the globular cluster 47 Tucanae with a goal of defining the...
Planetary Companions Around Two Solar Type Stars: HD 195019 and HD 217107 (1998)
Fischer, D. A., Marcy, G. W., Butler, R. P., Vogt, S. S., Apps, K.
We have enlarged the sample of stars in the planet search at Lick Observatory. Doppler measurements of 82 new stars observed at Lick Observatory, with additional velocities from Keck Observatory,...
A Planetary Companion to the Nearby M4 Dwarf, Gliese 876 (1998)
Marcy, G. W., Butler, R. P., Vogt, S. S., Fischer, D. A., Lissauer, J. J.
Doppler measurements of the M4 dwarf star, Gliese 876, taken at both Lick and Keck Observatory reveal periodic, Keplerian velocity variations with a period of 61 days. The orbital fit implies that...
The Discovery of a Planetary Companion to 16 Cygni B (1996)
Cochran, W. D., Hatzes, A. P., Butler, R. P., Marcy, G. W.
High precision radial velocity observations of the solar-type star 16 Cygni B taken at McDonald Observatory and at Lick Observatory, have each independently discovered periodic radial-velocity...
Brown Dwarfs in the Pleiades Cluster Confirmed by the Lithium Test (1996)
Rebolo, R., Martin, E. L., Basri, G., Marcy, G. W., Osorio, M. R. Zapatero
We present 10 m Keck spectra of the two Pleiades brown dwarfs Teide 1 and Calar 3 showing a clear detection of the 670.8 nm Li resonance line. In Teide 1, we have also obtained evidence for the...