Astronomy and Astrophysics – Astrophysics
Scientific paper
2007-07-05
Adv.SpaceRes.40:689-703,2007
Astronomy and Astrophysics
Astrophysics
20 pages, 12 figures, accepted for publication in J. Adv. Space Res. on 26 May 2007
Scientific paper
10.1016/j.asr.2007.05.081
We report results of a recently-completed pre-Formulation Phase study of SPIRIT, a candidate NASA Origins Probe mission. SPIRIT is a spatial and spectral interferometer with an operating wavelength range 25 - 400 microns. SPIRIT will provide sub-arcsecond resolution images and spectra with resolution R = 3000 in a 1 arcmin field of view to accomplish three primary scientific objectives: (1) Learn how planetary systems form from protostellar disks, and how they acquire their inhomogeneous composition; (2) characterize the family of extrasolar planetary systems by imaging the structure in debris disks to understand how and where planets of different types form; and (3) learn how high-redshift galaxies formed and merged to form the present-day population of galaxies. Observations with SPIRIT will be complementary to those of the James Webb Space Telescope and the ground-based Atacama Large Millimeter Array. All three observatories could be operational contemporaneously.
Baker Charles
Barger Amy
Benford Dominic
Blain Andrew
Boyle Rob
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