Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...376..335p&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 376, July 20, 1991, p. 335-341. USAF-supported research.
Astronomy and Astrophysics
Astronomy
28
Infrared Astronomy, Infrared Cirrus (Astronomy), Infrared Sources (Astronomy), Interstellar Matter, Astronomical Photography, Infrared Astronomy Satellite, Photographic Plates, Point Sources, Radiant Flux Density
Scientific paper
IRAS Skyflux images, in conjunction with ESO/SRC photographic plates, are presently used to study a sample of 151 compact cyrrus sources. IR colors entail at least two dust components; a simple two-temperature dust model yields a mean physical temperature of 22.5 + or - 0.3 K for the warm dust, and 173 + or - 8 K for the hot dust, which constitutes 15-42 percent of total IR luminosity. A variable proportion of cold dust may contribute significantly to the optical brightness in two isolated cloud complexes.
Cutri Roc M.
Low Frank J.
McGraw John T.
Paley Elizabeth S.
Rix Hans-Walter
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