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Title:
IRAS observations of RCW 86
Authors:
Greidanus, H.; Strom, R. G.
Affiliation:
AA(Leiden, Rijksuniversiteit, Sterrewacht, Netherlands), AB(Stichting Radiostraling van Zon en Melkweg, Dwingeloo, Netherlands)
Publication:
Astronomy and Astrophysics (ISSN 0004-6361), vol. 240, no. 2, Dec. 1990, p. 385-399. (A&A Homepage)
Publication Date:
12/1990
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
INFRARED ASTRONOMY SATELLITE, INFRARED SOURCES (ASTRONOMY), SUPERNOVA REMNANTS, BRIGHTNESS DISTRIBUTION, CARBON STARS, COSMIC DUST, STELLAR SPECTROPHOTOMETRY, X RAYS
Bibliographic Code:
1990A&A...240..385G

Abstract

Infrared maps and fluxes of the supernova remnant RCW 86 (MSH 14-63) were obtained from the IRAS data base, using a destripping and a spectral decomposition technique to isolate the weak IR emission of RCW 86 from all other contributions in the IRAS maps. It is shown that the IR brightness maps correlate very well with the X-ray-brightness, the optical, and the radio images. A comparison with the three other young shell-type SNRs Tycho, Kepler, and Cas A showed that the IR temperatures and luminosities of these objects decrease with age. For all objects, however, the IR- and X-ray-based densities are similar, while the X-ray-derived masses are an order of magnitude above the IR masses.

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