Results 1 to 10 of about 36,921 (31)

Taking the Measure of the Universe: Precision Astrometry with SIM PlanetQuest [PDF]

open access: yes, 2007
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 that delivers parallaxes at about 4 microarcsec on targets
Alan L. Fey   +83 more
core   +2 more sources

Bayesian analysis of interiors of HD 219134b, Kepler-10b, Kepler-93b, CoRoT-7b, 55 Cnc e, and HD 97658b using stellar abundance proxies [PDF]

open access: yes, 2016
Using a generalized Bayesian inference method, we aim to explore the possible interior structures of six selected exoplanets for which planetary mass and radius measurements are available in addition to stellar host abundances: HD~219134b, Kepler-10b ...
Dorn, C., Hinkel, N. R., Venturini, J.
core   +2 more sources

Planetary Collisions: Electromagnetic Signals

open access: yes, 2003
We investigate the electromagnetic signals accompanied with planetary collisions and their event rate, and explore the possibility of directly detecting such events.
Sigurdsson, Steinn, Zhang, Bing
core   +1 more source

The Search for Other Planets and Life [PDF]

open access: yes, 2010
This Les Houches School offers students a wide ranging view of the field of exoplanets and the search for life beyond the solar system. Observational and theoretical opportunities abound in a new field of astronomy that will be growing for decades to ...
Bean   +42 more
core   +1 more source

Spectral features of Earth-like planets and their detectability at different orbital distances around F, G, and K-type stars

open access: yes, 2013
We investigate the spectral appearance of Earth-like exoplanets in the HZ of different main sequence stars at different orbital distances. We furthermore discuss for which of these scenarios biomarker absorption bands may be detected during primary or ...
Gebauer, Stefanie   +8 more
core   +8 more sources

The formation of Jupiter by hybrid pebble-planetesimal accretion [PDF]

open access: yes, 2018
The standard model for giant planet formation is based on the accretion of solids by a growing planetary embryo, followed by rapid gas accretion once the planet exceeds a so-called critical mass.
Alibert, Yann   +10 more
core   +2 more sources

Detection and Characterization of Extrasolar Planets through Doppler Spectroscopy

open access: yes, 2009
Over 300 extrasolar planets have been found since 1992, showing that planetary systems are common and exhibit an outstanding variety of characteristics.
A. Eggenberger   +195 more
core   +2 more sources

Volatiles and refratories in solar analogs: no terrestial planet connection

open access: yes, 2010
We have analysed very high-quality HARPS and UVES spectra of 95 solar analogs, 24 hosting planets and 71 without detected planets, to search for any possible signature of terrestial planets in the chemical abundances of volatile and refractory elements ...
Elisa Delgado-Mena   +10 more
core   +1 more source

From stellar nebula to planets: the refractory components [PDF]

open access: yes, 2014
We computed the abundance of refractory elements in planetary bodies formed in stellar systems with solar chemical composition by combining models for chemical composition and planet formation.
Alibert, Yann   +5 more
core   +1 more source

Worlds Beyond: A Strategy for the Detection and Characterization of Exoplanets Executive Summary of a Report of the ExoPlanet Task Force Astronomy and Astrophysics Advisory Committee Washington, DC June 23, 2008 [PDF]

open access: yes, 2008
[No ...
Fischer, Debra   +15 more
core   +1 more source

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