Starspot Jitter in Photometry, Astrometry and Radial Velocity Measurements (2009)
Makarov, V. V., Beichman, C. A., Catanzarite, J. H., Fischer, D. A., Lebreton, J., Malbet, F., ...
Analytical relations are derived for the amplitude of astrometric, photometric and radial velocity perturbations caused by a single rotating spot. The relative power of the star spot jitter is...
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,...
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)...
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...
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...
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...
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...
T. R. Bedding, R. P. Butler, D. A. Fischer
Con rmation of solar-like oscillations in eta Bootis H. Kjeldsen,
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 =...
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...
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...
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
Catalog of nearby exoplanets. (2006)
Butler, R.P., Wright, J.T., Marcy, G.W., Fischer, D.A., Vogt, S., Tinney, C.G., ...
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...
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...
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., ...
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...
Studies of Fluorine in Catalysts with Ultrasoft X-Ray Absorption Spectroscopy (1993)
Davis, S. M., Meitzner, G. D., Fischer, D. A., Gland, J.
The structures of fluorine-doped alumina catalyst powders have been studied by fluorescence yield ultrasoft X-ray absorption spectroscopy. The results presented here demonstrate that important local...