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The mass of the neutron star in Vela X-1 and tidally induced non-radial oscillations in GP Vel
- H. Quaintrell, A. Norton, The Netherlands.
- Physics, Geology
- 14 January 2003
We report new radial velocity observations of GP Vel / HD 77581, the optical companion to the eclipsing X-ray pulsar Vela X-1. Using data spanning more than two complete orbits of the system, we…
Revised Stellar Properties of Kepler Targets for the Quarter 1-16 Transit Detection Run
- D. Huber, V. S. Aguirre, D. Stello
- Physics, Geology
- 2 December 2013
We present revised properties for 196,468 stars observed by the NASA Kepler mission and used in the analysis of Quarter 1-16 (Q1-Q16) data to detect and characterize transiting planets. The catalog…
Correcting Stellar Oscillation Frequencies for Near-Surface Effects
- H. Kjeldsen, T. Bedding, J. Christensen-Dalsgaard
- Geology, Physics
- 11 July 2008
In helioseismology, there is a well-known offset between observed and computed oscillation frequencies. This offset is known to arise from improper modeling of the near-surface layers of the Sun, and…
Accurate fundamental parameters for 23 bright solar-type stars
- H. Bruntt, T. Bedding, R. Butler
- Physics, Geology
- 23 February 2010
We combine results from interferometry, asteroseismology and spectroscopy to determine accurate fundamental parameters of 23 bright solar-type stars, from spectral type F5 to K2 and luminosity…
Masses, Radii, and Orbits of Small Kepler Planets: The Transition From Gaseous to Rocky Planets
- G. Marcy, H. Isaacson, D. Barrado
- Physics, Geology
- 16 January 2014
We report on the masses, sizes, and orbits of the planets orbiting 22 Kepler stars. There are 49 planet candidates around these stars, including 42 detected through transits and 7 revealed by precise…
A close halo of large transparent grains around extreme red giant stars
- B. Norris, P. Tuthill, T. Bedding
- PhysicsNature
- 12 April 2012
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Kepler-36: A Pair of Planets with Neighboring Orbits and Dissimilar Densities
TLDR
Ages and fundamental properties of Kepler exoplanet host stars from asteroseismology
- V. S. Aguirre, G. Davies, M. Lundkvist
- Geology, Physics
- 29 April 2015
We present a study of 33 {\it Kepler} planet-candidate host stars for which asteroseismic observations have sufficiently high signal-to-noise ratio to allow extraction of individual pulsation…
FUNDAMENTAL PROPERTIES OF KEPLER PLANET-CANDIDATE HOST STARS USING ASTEROSEISMOLOGY
- D. Huber, W. Chaplin, S. Thompson
- Geology, Physics
- 11 February 2013
We have used asteroseismology to determine fundamental properties for 66 Kepler planet-candidate host stars, with typical uncertainties of 3% and 7% in radius and mass, respectively. The results…
Accurate fundamental parameters and detailed abundance patterns from spectroscopy of 93 solar-type Kepler targets
- H. Bruntt, S. Basu, D. Sanderfer
- Physics, Geology
- 11 June 2012
We present a detailed spectroscopic study of 93 solar-type stars that are targets of the NASA/Kepler mission and provide detailed chemical composition of each target. We find that the overall…
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