FIRST — Far Infrared and Submillimetre Space Telescope

Details FIRST — Far Infrared and Submillimetre Space Telescope FIRST — Far Infrared and Submillimetre Space Telescope

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993adspr..13..545p&link_type=abstract

Advances in Space Research, Volume 13, Issue 12, p. 545-548.

Computer Science

Scientific paper

The present status of the ESA cornerstone mission FIRST is presented. A recent industrial study has generated a spacecraft concept employing a 4.5 m passively cooled telescope with focal plane instrument cooling provided by a superfluid helium cryostat. The model payload complement includes two direct detection instruments as well as two heterodyne instruments. After a shared launch by Ariane 5 into GTO, FIRST propels itself into the 24-hour highly eccentric operational orbit, where observations can be conducted up to 17 hours per day with an expected approximate mission duration of 3 years. An additional complementary study of a non-cryostat spacecraft option will also be performed.

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