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Rocket Measurements of the Galactic Background at 100 μ

Published online by Cambridge University Press:  14 August 2015

Judith L. Pipher
Judith L. Pipher*
Affiliation:
Dept. of Physics and Astronmy, University of Rochester, Rochester, N.Y., U.S.A.

Abstract

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Measurements of the diffuse background radiation in the 85–115 μ band are presented, as observed from altitudes close to 190 km with a rocket-borne, liquid helium cooled telescope. Evidence is given for detection of the galactic background due to thermal grain emission at galactic latitudes of 5–35°, and at a galactic longitude of ~ 163°. At small latitudes, the background intensity is measured to be ~ 9 × 10–11 W cm–2 sr–1; the average number density of grains derived is consistent with the optically determined measure. The 100 μ data is compared with 20 μ data taken on the same flight, in order to draw some conclusions about the grain emissivity and temperature.

Type
Part X Miscellaneous
Information
Symposium - International Astronomical Union , Volume 52: Interstellar Dust and Related Topics , 1973 , pp. 559 - 566
Copyright
Copyright © Reidel 1973 

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