Andrea S. J. Lin, C. Bender, E. Ford, Zhao Guo, S. Halverson, F. Hearty, E. Hunting, S. Kanodia, K. Kaplan, S. Mahadevan, M. McElwain, A. Monson, J. Ninan, Colin Nitroy, J. Rajagopal, L. Ramsey, Paul Robertson, Arpita Roy, C. Schwab, G. Stefansson, D. Stevens, R. Terrien, J. Wright
{"title":"A solar feed for NEID","authors":"Andrea S. J. Lin, C. Bender, E. Ford, Zhao Guo, S. Halverson, F. Hearty, E. Hunting, S. Kanodia, K. Kaplan, S. Mahadevan, M. McElwain, A. Monson, J. Ninan, Colin Nitroy, J. Rajagopal, L. Ramsey, Paul Robertson, Arpita Roy, C. Schwab, G. Stefansson, D. Stevens, R. Terrien, J. Wright","doi":"10.1117/12.2561520","DOIUrl":null,"url":null,"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.","PeriodicalId":215000,"journal":{"name":"Ground-based and Airborne Instrumentation for Astronomy VIII","volume":"11 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Ground-based and Airborne Instrumentation for Astronomy VIII","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.2561520","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
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.
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