A New Calibration Of Galactic Cepheid Period-Luminosity Relations From B To K Bands, And A Comparison To LMC Relations
- P. Fouqué, P. Arriagada, B. Mcarthur
- Physics
- 20 September 2007
Context. The universality of the Cepheid Period-Luminosity relations has been under discussion since metallicity effects have been assumed to play a role in the value of the intercept and, more…
OBLIQUITIES OF HOT JUPITER HOST STARS: EVIDENCE FOR TIDAL INTERACTIONS AND PRIMORDIAL MISALIGNMENTS
- S. Albrecht, J. Winn, J. Hartman
- Geology, Physics
- 26 June 2012
We provide evidence that the obliquities of stars with close-in giant planets were initially nearly random, and that the low obliquities that are often observed are a consequence of star–planet tidal…
The LCES HIRES/Keck Precision Radial Velocity Exoplanet Survey
- R. P. Butler, S. Vogt, S. Keiser
- Geology, Physics
- 12 February 2017
We describe a 20 year survey carried out by the Lick-Carnegie Exoplanet Survey Team (LCES), using precision radial velocities from HIRES on the Keck I telescope to find and characterize extrasolar…
A PLANETARY SYSTEM AROUND THE NEARBY M DWARF GJ 667C WITH AT LEAST ONE SUPER-EARTH IN ITS HABITABLE ZONE
- G. Anglada-Escud'e, P. Arriagada, J. Jenkins
- Physics, Geology
- 2 February 2012
We re-analyze 4 years of HARPS spectra of the nearby M1.5 dwarf GJ 667C available through the European Southern Observatory public archive. The new radial velocity (RV) measurements were obtained…
State of the Field: Extreme Precision Radial Velocities
- D. Fischer, G. Anglada-Escudé, J. Wright
- Physics, Geology
- 25 February 2016
The Second Workshop on Extreme Precision Radial Velocities defined circa 2015 the state of the art Doppler precision and identified the critical path challenges for reaching 10 cm s−1 measurement…
Two planets around Kapteyn's star: a cold and a temperate super-Earth orbiting the nearest halo red dwarf
- G. Anglada-Escud'e, P. Arriagada, H. Jones
- Physics, Geology
- 3 June 2014
Exoplanets of a few Earth masses can be now detected around nearby low-mass stars using Doppler spectroscopy. In this paper, we investigate the radial velocity variations of Kapteyn's star, which is…
GJ 832c: A SUPER-EARTH IN THE HABITABLE ZONE
- R. Wittenmyer, M. Tuomi, M. Díaz
- Physics, Geology
- 21 June 2014
We report the detection of GJ 832c, a super-Earth orbiting near the inner edge of the habitable zone of GJ 832, an M dwarf previously known to host a Jupiter analog in a nearly circular 9.4 yr orbit.…
THE MAGELLAN PFS PLANET SEARCH PROGRAM: RADIAL VELOCITY AND STELLAR ABUNDANCE ANALYSES OF THE 360 au, METAL-POOR BINARY “TWINS” HD 133131A & B
- J. Teske, S. Shectman, P. Arriagada
- Physics, Geology
- 22 August 2016
We present a new precision radial velocity (RV) data set that reveals multiple planets orbiting the stars in the ∼360 au, G2+G2 “twin” binary HD 133131AB. Our six years of high-resolution echelle…
Precision radial velocities of 15 M5-M9 dwarfs
- J. Barnes, J. Jenkins, G. Anglada-Escudé
- Physics
- 21 January 2014
J. R. Barnes, 'Precision radial velocities of 15 M5-M9 dwarfs', Monthly Notices of the Royal Astronomical Society, Vol. 439 (3): 3094 - 3113, first published online 20 February 2014. The version of…
APF—The Lick Observatory Automated Planet Finder
- S. Vogt, M. Radovan, Christopher A. Wright
- Physics
- 26 February 2014
The Automated Planet Finder (APF) is a facility purpose-built for the discovery and characterization of extrasolar planets through high-cadence Doppler velocimetry of the reflex barycentric…
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