Infrared Space Observation (ISO): Assessment study

Details Infrared Space Observation (ISO): Assessment study Infrared Space Observation (ISO): Assessment study

Oct 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979iso..book......&link_type=abstract

Infrared Space Observatory (ISO). Assessment study., by . European Space Agency, Paris, SCI(79) 6, 4 + 45 p.

Astronomy and Astrophysics

Astronomy

Cryostats, Infrared Astronomy, Infrared Interferometers, Infrared Photography, Spacelab Payloads, Astronomical Observatories, Infrared Spectrophotometers, Liquid Helium, Michelson Interferometers, Near Infrared Radiation, Polarimeters

Scientific paper

ISO scientific objectives and program implementation are discussed. ISO comprises a cooled 60 cm diameter telescope in a 3-axis stabilized spacecraft which can be pointed within a 6 arcsec accuracy. The telescope and scientific instruments are cooled by helium gas from a cryostat containing initially 135 kg of superfluid helium. A number of instruments can be accommodated, consistent with the concept of an IR astronomy observatory. A model payload has been considered, which consists of a near IR imaging camera (1-5 micrometers), a dual range single drive Michelson inteferometer of high resolution, (2-25 micrometers). The planned ISOmission lifetime of 1 1/2 years enables it to be used for the study of a whole range of astrophysical objects at an unequalled sensitivity.

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