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25 April 2024

» arxiv » 1803.3960

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EarthFinder: A Precise Radial Velocity Probe Mission Concept For the Detection of Earth-Mass Planets Orbiting Sun-like Stars
Peter Plavchan ; Bryson Cale ; Patrick Newman ; Bahaa Hamze ; Natasha Latouf ; William Matzko ; Chas Beichman ; David Ciardi ; Bill Purcell ; Paul Lightsey ; Heather Cegla ; Xavier Dumusque ; Vincent Bourrier ; Courtney Dressing ; Peter Gao ; Gautam Vasisht ; Stephanie Leifer ; Sharon Wang ; Jonathan Gagne ; Samantha Thompson ; Jonathan Crass ; Andrew Bechter ; Eric Bechter ; Cullen Blake ; Sam Halverson ; Andrew Mayo ; Thomas Beatty ; Jason T Wright ; Alex Wise ; Angelle Tanner ; Jason Eastman ; Sam Quinn ; Debra Fischer ; Sarbani Basu ; Sophia Sanchez-Maes ; Andrew Howard ; Kerry Vahala ; Ji Wang ; Scott Diddams ; Scott Papp ; Benjamin JS Pope ; Emily Martin ; Simon Murphy ;
Date:	11 Mar 2018
Abstract:	EarthFinder is a Probe Mission concept selected for study by NASA for input to the 2020 astronomy decadal survey. This study is currently active and a final white paper report is due to NASA at the end of calendar 2018. We are tasked with evaluating the scientific rationale for obtaining precise radial velocity (PRV) measurements in space, which is a two-part inquiry: What can be gained from going to space? What can’t be done form the ground? These two questions flow down to these specific tasks for our study - Identify the velocity limit, if any, introduced from micro- and macro-telluric absorption in the Earth’s atmosphere; Evaluate the unique advantages that a space-based platform provides to emable the identification and mitigation of stellar acitivity for multi-planet signal recovery.
Source:	arXiv, 1803.3960
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