NASA NTRS · 19840050788
X-rays from the SNR 3C 391
Abstract
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 5 arcmin in diameter. For a distance of 11 kpc the X-ray luminosity is at least 10 to the 35th ergs/sec. 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 per cu cm.
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Seward, F. D., Wang, Z. R.. 1984-04-15. X-rays from the SNR 3C 391. https://ntrs.nasa.gov/citations/19840050788
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