A solar feed for NEID

Andrea Lin; Chad F. Bender; Eric Ford; Zhao Guo; Samuel Halverson; Fred Hearty; Emily Hunting; Shubham Kanodia; Kyle Kaplan; Suvrath Mahadevan; Michael W. McElwain; Andrew Monson; Joe Ninan; Colin Nitroy; Jayadev Rajagopal; Lawrence Ramsey; Paul Robertson; Arpita Roy; Christian Schwab; Gudmundur Stefansson; Daniel J. Stevens; Ryan Terrien; Jason Wright

doi:10.1117/12.2561520

13 December 2020 A solar feed for NEID

Andrea Lin, Chad F. Bender, Eric Ford, Zhao Guo, Samuel Halverson, Fred Hearty, Emily Hunting, Shubham Kanodia, Kyle Kaplan, Suvrath Mahadevan, Michael W. McElwain, Andrew Monson, Joe Ninan, Colin Nitroy, Jayadev Rajagopal, Lawrence Ramsey, Paul Robertson, Arpita Roy, Christian Schwab, Gudmundur Stefansson, Daniel J. Stevens, Ryan Terrien, Jason Wright

Author Affiliations +

Proceedings Volume 11447, Ground-based and Airborne Instrumentation for Astronomy VIII; 114473L (2020) https://doi.org/10.1117/12.2561520
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Conference Poster

Abstract

NEID is a radial velocity (RV) instrument including an ultra-stabilized fiber-fed spectrograph, installed in 2019 at the 3.5m WIYN telescope at Kitt Peak National Observatory. Accompanying it is a solar feed system built to supply the spectrograph with disk-integrated sunlight. Observing the Sun “as a star” is essential for developing and validating mitigation strategies for RV variations due to stellar activity and instrument systematics, thus enabling more-effective detections of lower-mass exoplanets. In this paper, we will detail the design of the NEID solar feed system and showcase early results addressing NEID systematics and solar RV variability.

Conference Presentation

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Andrea Lin, Chad F. Bender, Eric Ford, Zhao Guo, Samuel Halverson, Fred Hearty, Emily Hunting, Shubham Kanodia, Kyle Kaplan, Suvrath Mahadevan, Michael W. McElwain, Andrew Monson, Joe Ninan, Colin Nitroy, Jayadev Rajagopal, Lawrence Ramsey, Paul Robertson, Arpita Roy, Christian Schwab, Gudmundur Stefansson, Daniel J. Stevens, Ryan Terrien, and Jason Wright "A solar feed for NEID", Proc. SPIE 11447, Ground-based and Airborne Instrumentation for Astronomy VIII, 114473L (13 December 2020); https://doi.org/10.1117/12.2561520

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