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Astrometry with the Wide-Field Infrared Space Telescope

Sanderson, Robyn E. and Bellini, Andrea and Casertano, Stefano and Lu, Jessica R. and Melchior, Peter and Libralato, Mattia and Bennett, David and Shao, Michael and Rhodes, Jason and Sohn, Sangmo Tony and Malhotra, Sangeeta and Gaudi, Scott and Fall, S. Michael and Nelan, Ed and Guhathakurta, Puragra and Anderson, Jay and Ho, Shirley (2019) Astrometry with the Wide-Field Infrared Space Telescope. Journal of Astronomical Telescopes, Instruments, and Systems, 5 (4). Art. No. 044005. ISSN 2329-4124. doi:10.1117/1.JATIS.5.4.044005.

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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.

Item Type:Article
Related URLs:
URLURL TypeDescription
Sanderson, Robyn E.0000-0003-3939-3297
Lu, Jessica R.0000-0001-9611-0009
Melchior, Peter0000-0002-8873-5065
Bennett, David0000-0001-8043-8413
Rhodes, Jason0000-0002-4485-8549
Malhotra, Sangeeta0000-0002-9226-5350
Guhathakurta, Puragra0000-0001-8867-4234
Additional Information:© 2019 The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI. Received: 19 December 2018; Accepted: 24 September 2019; Published: 29 October 2019. This publication makes use of data products from the Two Micron All Sky Survey, which is a joint project of the University of Massachusetts and the Infrared Processing and Analysis Center/California Institute of Technology, funded by the National Aeronautics and Space Administration and the National Science Foundation. This work presents results from the European Space Agency (ESA) space mission Gaia. Gaia data are being processed by the Gaia Data Processing and Analysis Consortium (DPAC). Funding for the DPAC is provided by national institutions, in particular the institutions participating in the Gaia MultiLateral Agreement (MLA). The Gaia mission website is The Gaia archive website is RES was supported in part by an NSF Astronomy and Astrophysics Postdoctoral Fellowship under Grant No. AST-1400989. The authors thank Charles Shapiro (JPL) for useful discussions, and the anonymous referees for comments that improved the paper.
Group:Infrared Processing and Analysis Center (IPAC), TAPIR
Funding AgencyGrant Number
Gaia Multilateral AgreementUNSPECIFIED
NSF Astronomy and Astrophysics FellowshipAST-1400989
Subject Keywords:infrared space observatory; astronomy; infrared imaging; infrared detectors
Issue or Number:4
Record Number:CaltechAUTHORS:20191030-105427275
Persistent URL:
Official Citation:The WFIRST Astrometry Working Group:, Robyn E. Sanderson, Andrea Bellini, Stefano Casertano, Jessica R. Lu, Peter Melchior, Mattia Libralato, David Bennett, Michael Shao, Jason Rhodes, Sangmo Tony Sohn, Sangeeta Malhotra, Scott Gaudi, S. Michael Fall, Ed Nelan, Puragra Guhathakurta, Jay Anderson, and Shirley Ho "Astrometry with the Wide-Field Infrared Space Telescope," Journal of Astronomical Telescopes, Instruments, and Systems 5(4), 044005 (29 October 2019).
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:99559
Deposited By: Tony Diaz
Deposited On:30 Oct 2019 18:09
Last Modified:16 Nov 2021 17:47

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