X-ray detection of the monoceros supernova remnant

Leahy, D. A. ; Naranan, S. ; Singh, K. P. (1986) X-ray detection of the monoceros supernova remnant Astrophysics and Space Science, 119 (1). pp. 249-252. ISSN 0004-640X

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Official URL: http://www.springerlink.com/content/j81u501059w333...

Related URL: http://dx.doi.org/10.1007/BF00648859


The Monoceros nebula is seen in the optical and in radio as a 3°.5 degree diameter ring. It is believed to be an old supernova remnant. Here is reported the detection of X-rays from the Monoceros nebula, confirming its supernova remnant nature. Einstein imaging proportional counter observations of 0.2 to 5 keV X-rays were analyzed to produce a surface brightness map. Preliminary modeling of the Monoceros supernova remnant yields an age of 50 000 years. A large age is expected for such a large remnant. However, the remnant is found to still be in the adiabatic blast wave stage of evolution.

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