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    Impact of crosshatch patterns in H2RGs on high-precision radial velocity measurements: exploration of measurement and mitigation paths with the Habitable-Zone Planet Finder

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    041511_1.pdf
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    Author
    Ninan, Joe P.
    Mahadevan, Suvrath cc
    Stefansson, Gudmundur cc
    Bender, Chad
    Roy, Arpita cc
    Kaplan, Kyle F.
    Fredrick, Connor
    Metcalf, Andrew J.
    Monson, Andrew
    Terrien, Ryan cc
    Ramsey, Lawrence W.
    Diddams, Scott A.
    Show allShow less
    Affiliation
    Univ Arizona, Dept Astron
    Univ Arizona, Steward Observ
    Issue Date
    2019-10-26
    Keywords
    HxRG
    crosshatch
    precision radial velocity
    near-infrared
    detectors
    
    Metadata
    Show full item record
    Publisher
    SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
    Citation
    Joe P. Ninan, Suvrath Mahadevan, Gudmundur Stefansson, Chad Bender, Arpita Roy, Kyle F. Kaplan, Connor Fredrick, Andrew J. Metcalf, Andrew Monson, Ryan Terrien, Lawrence W. Ramsey, and Scott A. Diddams "Impact of crosshatch patterns in H2RGs on high-precision radial velocity measurements: exploration of measurement and mitigation paths with the Habitable-Zone Planet Finder," Journal of Astronomical Telescopes, Instruments, and Systems 5(4), 041511 (26 October 2019). https://doi.org/10.1117/1.JATIS.5.4.041511
    Journal
    JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS
    Rights
    Copyright © 2019 SPIE.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    Teledyne's H2RG detector images suffer from crosshatch like patterns, which arise from subpixel quantum efficiency (QE) variation. We present our measurements of this subpixel QE variation in the Habitable-Zone Planet Finder's H2RG detector. We present a simple model to estimate the impact of subpixel QE variations on the radial velocity and how a first-order correction can be implemented to correct for the artifact in the spectrum. We also present how the HPF's future upgraded laser frequency comb will enable us to implement this correction. (C) 2019 Society of Photo-Optical Instrumentation Engineers (SPIE)
    ISSN
    2329-4124
    DOI
    10.1117/1.jatis.5.4.041511
    Version
    Final published version
    ae974a485f413a2113503eed53cd6c53
    10.1117/1.jatis.5.4.041511
    Scopus Count
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    UA Faculty Publications

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