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Hunting planets and observing disks with the JWST NIRCam coronagraph

Krist, John E. and Beichman, Charles A. and Trauger, John T. and Rieke, Marcia J. and Somerstein, Steve and Green, Joseph J. and Horner, Scott D. and Stansberry, John A. and Shi, Fang and Meyer, Michael R. and Stapelfeldt, Karl R. and Roellig, Thomas L. (2007) Hunting planets and observing disks with the JWST NIRCam coronagraph. In: Techniques and Instrumentation for Detection of Exoplanets III. Proceedings of SPIE. No.6693. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 66930H. ISBN 9780819468413.

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The expected stable point spread function, wide field of view, and sensitivity of the NIRCam instrument on the James Webb Space Telescope (JWST) will allow a simple, classical Lyot coronagraph to detect warm Jovian-mass companions orbiting young stars within 150 pc as well as cool Jupiters around the nearest low-mass stars. The coronagraph can also be used to study protostellar and debris disks. At λ = 4.5 μm, where young planets are particularly bright relative to their stars, and at separations beyond ~0.5 arcseconds, the low space background gives JWST significant advantages over ground-based telescopes equipped with adaptive optics. We discuss the scientific capabilities of the NIRCam coronagraph, describe the technical features of the instrument, and present end-to-end simulations of coronagraphic observations of planets and circumstellar disks.

Item Type:Book Section
Related URLs:
URLURL TypeDescription
Beichman, Charles A.0000-0002-5627-5471
Rieke, Marcia J.0000-0002-7893-6170
Meyer, Michael R.0000-0003-1227-3084
Stapelfeldt, Karl R.0000-0002-2805-7338
Additional Information:© 2007 Society of Photo-Optical Instrumentation Engineers (SPIE). This work was undertaken at the NASA Jet Propulsion Laboratory with support provided by the NIRCam instrument development team (NASA NAS5-02105). Marc Kuchner provided suggestions for potential band-limited occulter profiles.
Group:Infrared Processing and Analysis Center (IPAC)
Funding AgencyGrant Number
Subject Keywords:James Webb Space Telescope, NIRCam, coronagraph, extrasolar planets, circumstellar disks
Series Name:Proceedings of SPIE
Issue or Number:6693
Record Number:CaltechAUTHORS:20180731-151509896
Persistent URL:
Official Citation:John E. Krist, Charles A. Beichman, John T. Trauger, Marcia J. Rieke, Steve Somerstein, Joseph J. Green, Scott D. Horner, John A. Stansberry, Fang Shi, Michael R. Meyer, Karl R. Stapelfeldt, Thomas L. Roellig, "Hunting planets and observing disks with the JWST NIRCam coronagraph", Proc. SPIE 6693, Techniques and Instrumentation for Detection of Exoplanets III, 66930H (19 September 2007); doi: 10.1117/12.734873;
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:88407
Deposited By: George Porter
Deposited On:31 Jul 2018 22:36
Last Modified:16 Nov 2021 00:26

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