SPICA: space infrared telescope for cosmology and astrophysics

Details SPICA: space infrared telescope for cosmology and astrophysics SPICA: space infrared telescope for cosmology and astrophysics

Jan 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004adspr..34..645n&link_type=abstract

Advances in Space Research, Volume 34, Issue 3, p. 645-650.

Astronomy and Astrophysics

Astrophysics

29

Spica, Space Infrared Telescope

Scientific paper

We present the current status of the SPICA (space infrared telescope for cosmology and astrophysics, previously known as the HII/L2 mission). Onboard SPICA, a 3.5 m telescope cooled to 4.5 K provides an unprecedented combination of sensitivity and resolution for mid- to far-infrared observations (core wavelength between 5 and 200 μm). SPICA will make great contributions in many areas of astrophysics. We propose a ``warm launch'', cooled telescope concept for SPICA: the telescope is to be launched at ambient temperature and is to be cooled to 4.5 K in orbit by a modest mechanical cooler system with the assistance of effective radiative cooling. We have been working on development programs focusing on two key technical issues: reliable mechanical coolers and the light-weight telescope system. The target launch year of SPICA is around 2010.

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