Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...279..705w&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 279, April 15, 1984, p. 705-707. Research supported by the Ministry of Educ
Astronomy and Astrophysics
Astronomy
18
Supernova Remnants, X Ray Sources, Heao 2, Luminosity, Radio Sources (Astronomy)
Scientific paper
An X-ray map and spectral information were obtained from a short Einstein observation of 3C 391 (G31.9+0.0). Both X-ray and radio emission appear to come from an irregular shell ≡5arcmin in diameter. For a distance of 11 kpc the X-ray luminosity is at least 1035 ergs s-1. The luminosity, the radius, and the temperature are about as expected from a middle-aged SNR expanding into a medium with density a few tenths of an atom cm-3.
Seward Frederick D.
Wang Zhen-Ru
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