A radio-continuum study of the supernova remnant MSH 11-61A

Filipovic, M.D., Payne, J.L., and Jones, P.A. (2005) A radio-continuum study of the supernova remnant MSH 11-61A. Serbian Astronomical Journal, 170. pp. 47-56.

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We present a high-resolution radio-continuum study of Galactic supernova remnant MSH 11-61A. We combine moderate resolution X-ray, radio-continuum and CO data to study the morphology and kinematics of MSH 11-61A. We estimate the radio-continuum spectral index to be ∞843-4850=-0.33 ±0.07 based on our flux density measurements and also note that this SNR has signi cant `turn-over' spectra at lower (29.9-843 MHz) frequencies. The diameter of MSH11{61A is estimated to be 12.5' with 'ear' extensions of 4' to the northwest and southeast. The striking anticorrelation between X-ray and radio-continuum images con rms a mixed-morphology classi cation of this remnant. The CO images are consistent with a distance reported by Rosado et al. (1996) of about 7 kpc.

Item ID: 14082
Item Type: Article (Research - C1)
ISSN: 1450-698X
Keywords: individual objects; radiocontinuum; supernova remnants
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Date Deposited: 01 Dec 2010 05:55
FoR Codes: 02 PHYSICAL SCIENCES > 0299 Other Physical Sciences > 029999 Physical Sciences not elsewhere classified @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100%
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