The NEID port adapter at WIYN: on-sky fast guiding performance

Dan Li; Sarah E. Logsdon; William McBride; Jayadev Rajagopal; Marsha J. Wolf; Jeffrey W. Percival; Kurt P. Jaehnig; Michael P. Smith; Qian Gong; Michael W. McElwain; Heidi Schweiker; Eli Golub; Jesus Higuera; Jessica Klusmeyer; Emily Hunting; Erik Timmermann; Mark Everett; Wilson Liu; Susan Ridgway; Ming Liang; Christian Schwab; Suvrath Mahadevan

doi:10.1117/12.2629020

29 August 2022 The NEID port adapter at WIYN: on-sky fast guiding performance

Dan Li, Sarah E. Logsdon, William McBride, Jayadev Rajagopal, Marsha J. Wolf, Jeffrey W. Percival, Kurt P. Jaehnig, Michael P. Smith, Qian Gong, Michael W. McElwain, Heidi Schweiker, Eli Golub, Jesus Higuera, Jessica Klusmeyer, Emily Hunting, Erik Timmermann, Mark Everett, Wilson Liu, Susan Ridgway, Ming Liang, Christian Schwab, Suvrath Mahadevan

Author Affiliations +

Proceedings Volume 12184, Ground-based and Airborne Instrumentation for Astronomy IX; 121844O (2022) https://doi.org/10.1117/12.2629020
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Conference Poster

Abstract

NEID (NN-explore Exoplanet Investigations with Doppler spectroscopy) is an optical, fiber-fed spectrometer at the WIYN 3.5m Telescope. NEID’s single-measurement radial velocity precision (27 cm/s) requires the stellar image motion (induced by atmospheric turbulence) to be controlled for 90% of the time to within 50 milli-arcseconds in nominal observing conditions. This has been achieved by fast guiding through the NEID Port Adapter, which implements an EMCCD and a tip/tilt piezo stage to capture/stabilize the stellar image. Here, we use on-sky data accumulated over a year to demonstrate the performance of this system under diverse observing conditions.

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Dan Li, Sarah E. Logsdon, William McBride, Jayadev Rajagopal, Marsha J. Wolf, Jeffrey W. Percival, Kurt P. Jaehnig, Michael P. Smith, Qian Gong, Michael W. McElwain, Heidi Schweiker, Eli Golub, Jesus Higuera, Jessica Klusmeyer, Emily Hunting, Erik Timmermann, Mark Everett, Wilson Liu, Susan Ridgway, Ming Liang, Christian Schwab, and Suvrath Mahadevan "The NEID port adapter at WIYN: on-sky fast guiding performance", Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX, 121844O (29 August 2022); https://doi.org/10.1117/12.2629020

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