A cooled telescope for infrared balloon astronomy

Details A cooled telescope for infrared balloon astronomy A cooled telescope for infrared balloon astronomy

Nov 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974tsbb.nasa...81f&link_type=abstract

In NASA. Ames Res. Center Telescope Systems for Balloon-Borne Res. p 81-90 (SEE N75-12735 03-74)

Physics

Optics

Balloon-Borne Instruments, Cassegrain Optics, High Altitude Balloons, Infrared Detectors, Telescopes, Data Acquisition, Galactic Radiation, Infrared Imagery, Radiation Measurement

Scientific paper

The characteristics of a 16 inch liquid helium cooled Cassegrain telescope with vibrating secondary mirror are discussed. The telescope is used in making far infrared astronomical observations. The system houses several different detectors for multicolor photometry. The cooled telescope has a ten to one increase in signal-to-noise ratio over a similar warm version and is installed in a high altitude balloon gondola to obtain data on the H2 region of the galaxy.

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