Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..943..242w&link_type=abstract
THE SCIENCE OPPORTUNITIES OF THE WARM SPITZER MISSION WORKSHOP. AIP Conference Proceedings, Volume 943, pp. 242-247 (2007).
Astronomy and Astrophysics
Astronomy
1
Astronomical Observations, Space-Based Ultraviolet, Optical, And Infrared Telescopes, Low Luminosity Stars, Subdwarfs, And Brown Dwarfs, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages
Scientific paper
Spitzer post-cryogen observations to perform a moderate depth survey distributed around the sky are proposed. Field centers are chosen to be WISE brown dwarf candidates, which will typically be 160 μJy at 4.7 μm and randomly distributed around the sky. The Spitzer observations will give much higher sensitivity, higher angular resolution, and a time baseline to measure both proper motions and possibly parallaxes. The distance and velocity data obtained on the WISE brown dwarf candidates will greatly improve our knowledge of the mass and age distribution of brown dwarfs. The outer parts of the Spitzer fields surrounding the WISE positions will provide a deep survey in many narrow fields of view distributed around the sky, and the volume of this survey will contain many more distant brown dwarfs, and many extragalactic objects.
Cohen Martin
Eisenhardt Peter R. M.
Kirkpatrick Joseph D.
Mainzer Amanda K.
Wright Edward L.
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