Leahy, D. A. ; Naranan, S ; Singh, K. P. (1986) An X-ray study of the Monoceros supernova remnant Monthly Notices of the Royal Astronomical Society, 220 (2). pp. 501-511. ISSN 0035-8711
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Official URL: http://adsabs.harvard.edu/abs/1986MNRAS.220..501L
Abstract
Twelve Einstein IPC exposures within the region of the Monoceros supernova remnant are combined into a 0.2-4 keV X-ray map with 80 arcsec resolution. The X-ray bright regions correlate well with the bright optical filaments. From the IPC pulse height spectra, the bright regions are found to have a 2-6 keV high-temperature component, while all regions show a fainter 0.2-0.3 keV temperature component. A model with the supernova shock wave expanding into a three-component interstellar medium with a low-density (0.003 cm−3) hot component can fit the observed properties of Monoceros. Preferred values for the distance and age are 1500 pc and 3×104yr. The overall observed expansion of 50 km s−1 can be explained by outward moving clouds interior to the shock front.
Item Type: | Article |
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Source: | Copyright of this article belongs to John Wiley and Sons. |
Keywords: | Astronomical Spectroscopy; Supernova Remnants; X Ray Astronomy; Gas Temperature; HEAO 2; Point Sources; Shock Waves; Spectrum Analysis |
ID Code: | 58976 |
Deposited On: | 02 Sep 2011 04:38 |
Last Modified: | 02 Sep 2011 04:38 |
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