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Astrometry with the Wide-Field Infrared Space Telescope

Author(s): Sanderson, Robyn E; Bellini, Andrea; Casertano, Stefano; Lu, Jessica R; Melchior, Peter M; et al

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Abstract: The Wide-Field Infrared Space Telescope (WFIRST) will be capable of delivering precise astrometry for faint sources over the enormous field of view of its main camera, the Wide-Field Imager (WFI). This unprecedented combination will be transformative for the many scientific questions that require precise positions, distances, and velocities of stars. We describe the expectations for the astrometric precision of the WFIRST WFI in different scenarios, illustrate how a broad range of science cases will see significant advances with such data, and identify aspects of WFIRST’s design where small adjustments could greatly improve its power as an astrometric instrument. (C) The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License.
Publication Date: 29-Oct-2019
Electronic Publication Date: 29-Oct-2019
Citation: Sanderson, Robyn E, Bellini, Andrea, Casertano, Stefano, Lu, Jessica R, Melchior, Peter, Libralato, Mattia, Bennett, David, Shao, Michael, Rhodes, Jason, Sohn, Sangmo Tony, Malhotra, Sangeeta, Gaudi, Scott, Fall, S Michael, Nelan, Ed, Guhathakurta, Puragra, Anderson, Jay, Ho, Shirley, Grp, WFIRST Astrometry Working. (2019). Astrometry with the Wide-Field Infrared Space Telescope. JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS, 5 (10.1117/1.JATIS.5.4.044005
DOI: doi:10.1117/1.JATIS.5.4.044005
ISSN: 2329-4124
EISSN: 2329-4221
Type of Material: Journal Article
Version: Final published version. This is an open access article.

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