The NEID port adapter: on-sky performance

Sarah E. Logsdon; Marsha J. Wolf; Dan Li; Jayadev Rajagopal; Mark Everett; Qian Gong; Eli Golub; Jesus Higuera; Emily Hunting; Kurt P. Jaehnig; Jessica Klusmeyer; Ming Liang; Wilson Liu; William R. McBride; Michael W. McElwain; Jeffrey W. Percival; Susan Ridgway; Heidi Schweiker; Michael P. Smith; Erik Timmermann; Fernando Santoro; Christian Schwab; Chad F. Bender; Cullen H. Blake; Arvind F. Gupta; Samuel Halverson; Fred Hearty; Shubham Kanodia; Suvrath Mahadevan; Andrew J. Monson; Joe Ninan; Lawrence Ramsey; Paul Robertson; Arpita Roy; Ryan C. Terrien; Jason T. Wright

doi:10.1117/12.2629004

29 August 2022 The NEID port adapter: on-sky performance

Sarah E. Logsdon, Marsha J. Wolf, Dan Li, Jayadev Rajagopal, Mark Everett, Qian Gong, Eli Golub, Jesus Higuera, Emily Hunting, Kurt P. Jaehnig, Jessica Klusmeyer, Ming Liang, Wilson Liu, William R. McBride, Michael W. McElwain, Jeffrey W. Percival, Susan Ridgway, Heidi Schweiker, Michael P. Smith, Erik Timmermann, Fernando Santoro, Christian Schwab, Chad F. Bender, Cullen H. Blake, Arvind F. Gupta, Samuel Halverson, Fred Hearty, Shubham Kanodia, Suvrath Mahadevan, Andrew J. Monson, Joe Ninan, Lawrence Ramsey, Paul Robertson, Arpita Roy, Ryan C. Terrien, Jason T. Wright

Author Affiliations +

Proceedings Volume 12184, Ground-based and Airborne Instrumentation for Astronomy IX; 121844N (2022) https://doi.org/10.1117/12.2629004
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

Here we detail the on-sky performance of the NEID Port Adapter one year into full science operation at the WIYN 3.5m Telescope at Kitt Peak National Observatory. NEID is an optical (380-930 nm), fiber-fed, precision Doppler radial velocity system developed as part of the NASA-NSF Exoplanet Observational Research (NN-EXPLORE) partnership. The NEID Port Adapter mounts directly to a bent-Cassegrain port on the WIYN Telescope and is responsible for precisely and stably placing target light on the science fibers. Precision acquisition and guiding is a critical component of such extreme precision spectrographs. In this work, we describe key on-sky performance results compared to initial design requirements and error budgets. While the current Port Adapter performance is more than sufficient for the NEID system to achieve and indeed exceed its formal instrumental radial velocity precision requirements, we continue to characterize and further optimize its performance and efficiency. This enables us to obtain better NEID datasets and in some cases, improve the performance of key terms in the error budget needed for future extreme precision spectrographs with the goal of observing ExoEarths, requiring ∼ 10 cm/s radial velocity measurements.

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Sarah E. Logsdon, Marsha J. Wolf, Dan Li, Jayadev Rajagopal, Mark Everett, Qian Gong, Eli Golub, Jesus Higuera, Emily Hunting, Kurt P. Jaehnig, Jessica Klusmeyer, Ming Liang, Wilson Liu, William R. McBride, Michael W. McElwain, Jeffrey W. Percival, Susan Ridgway, Heidi Schweiker, Michael P. Smith, Erik Timmermann, Fernando Santoro, Christian Schwab, Chad F. Bender, Cullen H. Blake, Arvind F. Gupta, Samuel Halverson, Fred Hearty, Shubham Kanodia, Suvrath Mahadevan, Andrew J. Monson, Joe Ninan, Lawrence Ramsey, Paul Robertson, Arpita Roy, Ryan C. Terrien, and Jason T. Wright "The NEID port adapter: on-sky performance", Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX, 121844N (29 August 2022); https://doi.org/10.1117/12.2629004

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KEYWORDS

Telescopes

Astronomy

Atmospheric corrections

Cameras

Stars

Optical fibers

Mirrors

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