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Keck Planet Finder: preliminary design
Author(s): Steven R. Gibson; Andrew W. Howard; Arpita Roy; Christopher Smith; Sam Halverson; Jerry Edelstein; Marc Kassis; Edward H. Wishnow; Michael Raffanti; Steve Allen; Jason Chin; David Coutts; David Cowley; Jim Curtis; William Deich; Tobias Feger; Daniel Finstad; Yulia Gurevich; Yuzo Ishikawa; Ean James; Elisha Jhoti; Kyle Lanclos; Scott Lilley; Tim Miller; Steve Milner; Tom Payne; Kodi Rider; Constance Rockosi; Dale Sandford; Christian Schwab; Andreas Seifahrt; Martin M. Sirk; Roger Smith; Julian Stuermer; Marie Weisfeiler; Mavourneen Wilcox; Adam Vandenberg; Peter Wizinowich
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Paper Abstract

The Keck Planet Finder (KPF) is a fiber-fed, high-resolution, high-stability spectrometer in development for the W.M. Keck Observatory. The instrument recently passed its preliminary design review and is currently in the detailed design phase. KPF is designed to characterize exoplanets using Doppler spectroscopy with a single measurement precision of 0.5 m s−1 or better; however, its resolution and stability will enable a wide variety of other astrophysical pursuits. KPF will have a 200 mm collimated beam diameter and a resolving power greater than 80,000. The design includes a green channel (445 nm to 600 nm) and red channel (600 nm to 870 nm). A novel design aspect of KPF is the use of a Zerodur optical bench, and Zerodur optics with integral mounts, to provide stability against thermal expansion and contraction effects.

Paper Details

Date Published: 6 July 2018
PDF: 20 pages
Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 107025X (6 July 2018); doi: 10.1117/12.2311565
Show Author Affiliations
Steven R. Gibson, Space Sciences Lab. (United States)
Andrew W. Howard, Caltech (United States)
Space Sciences Lab. (United States)
Arpita Roy, Caltech (United States)
Christopher Smith, Space Sciences Lab. (United States)
Sam Halverson, Univ. of Pennsylvania (United States)
Massachusetts Institute of Technology (United States)
Jerry Edelstein, Space Sciences Lab. (United States)
Marc Kassis, W. M. Keck Observatory (United States)
Edward H. Wishnow, Space Sciences Lab. (United States)
Michael Raffanti, Space Sciences Lab. (United States)
Steve Allen, Univ. of California Observatories (United States)
Jason Chin, W. M. Keck Observatory (United States)
David Coutts, Macquarie Univ. (Australia)
David Cowley, Univ. of California Observatories (United States)
Jim Curtis, Space Sciences Lab. (United States)
William Deich, Univ. of California Observatories (United States)
Tobias Feger, Macquarie Univ. (Australia)
Daniel Finstad, Space Sciences Lab. (United States)
Syracuse Univ. (United States)
Yulia Gurevich, Heidelberg University (Germany)
Yuzo Ishikawa, Space Sciences Lab. (United States)
San Francisco State Univ. (United States)
Ean James, W. M. Keck Observatory (United States)
Elisha Jhoti, Space Sciences Lab. (United States)
Univ. of Edinburgh (United Kingdom)
Kyle Lanclos, W. M. Keck Observatory (United States)
Scott Lilley, W. M. Keck Observatory (United States)
Tim Miller, Space Sciences Lab. (United States)
Steve Milner, W. M. Keck Observatory (United States)
Tom Payne, Space Sciences Lab. (United States)
Univ. of Manchester (United Kingdom)
Kodi Rider, Space Sciences Lab. (United States)
Constance Rockosi, Univ. of California Observatories (United States)
Univ. of California, Santa Cruz (United States)
Dale Sandford, Univ. of California Observatories (United States)
Christian Schwab, Macquarie Univ. (Australia)
Andreas Seifahrt, University of Chicago (United States)
Martin M. Sirk, Space Sciences Lab. (United States)
Roger Smith, Caltech (United States)
Julian Stuermer, Univ. of Chicago (United States)
Marie Weisfeiler, Space Sciences Lab. (United States)
Mavourneen Wilcox, W. M. Keck Observatory (United States)
Adam Vandenberg, W. M. Keck Observatory (United States)
Peter Wizinowich, W. M. Keck Observatory (United States)


Published in SPIE Proceedings Vol. 10702:
Ground-based and Airborne Instrumentation for Astronomy VII
Christopher J. Evans; Luc Simard; Hideki Takami, Editor(s)

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