Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...248..925l&link_type=abstract
Astrophysical Journal, Part 1, vol. 248, Sept. 15, 1981, p. 925-944.
Astronomy and Astrophysics
Astronomy
348
Magellanic Clouds, Nebulae, Supernova Remnants, X Ray Astronomy, Active Galactic Nuclei, Astronomical Catalogs, Astronomical Maps, High Resolution, Spaceborne Astronomy
Scientific paper
It is estimated on statistical grounds that of the 97 sources detected in a survey of the Large Magellanic Cloud (LMC) by means of the Einstein Laboratory's imaging X-ray telescope, less than 25 are likely to be either foreground stars or background quasars. The largest class of identified sources discovered is that of supernova remnants (SNRs). It is confirmed by means of high resolution maps that six more sources are also SNRs, and an additional 20 to 25 unidentified sources are suspected, in light of the available temporal, spatial and spectral information, to be SNRs. Of the remaining approximately 40 sources, about half are expected to be either background active galactic nuclei or foreground stars. The unexpectedly large number of SNRs found in the survey suggests that present knowledge of the galactic remnant population may be incomplete.
Grabelsky David Andrew
Helfand David J.
Long Knox S.
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