Infrared telescope in space — IRTS |
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Authors: | S Hayakawa |
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Institution: | Department of Astrophysics, Nagoya University, Nagoya, Japan |
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Abstract: | The concept of a Spacelab borne infrared telescope proposed by the Japanese infrared astronomy group is described. The telescope is suitable for mapping extended sources of low surface brightness over a wide wavelength range. The low background is achieved by cooling the optical system with use of a cryogenic system containing superfluid helium, whose behavior under zero gravity has been tested successfully. |
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