IRAS
TelescopeTelescope with a 57 cm mirror cooled by liquid helium to about 2 kelvin.
- Launch mass
- 1,027 kg
- Dry mass
- 954 kg
- Size
- 3.6 m × 2 m, span 3.6 m
- Power
- Solar
- Built by
- Ball Aerospace, Fokker Space
- Last contact
- 21 Nov 1983
- Designator
- 1983-004A
Image: NASA/JPL-Caltech · Public domain · Wikimedia Commons
- Launched
- 26 Jan 198302:17:00 UTC
- Last contact
- 21 Nov 1983
- Duration
- 9 months 26 days
- Destinations
- Low Earth orbit
The Infrared Astronomical Satellite, the first telescope to survey the whole sky in infrared light, flown jointly by the United States, the Netherlands and the United Kingdom. In ten months it catalogued about 350,000 sources.
Milestones
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Spacecraft
Completed
Mission details from nssdc.gsfc.nasa.gov.