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Title:
High dynamic-range observations of the supernova remnant G 39.2 - 0.3 and the H II region NRAO 591
Authors:
Patnaik, A. R.; Hunt, G. C.; Salter, C. J.; Shaver, P. A.; Velusamy, T.
Affiliation:
AA(Manchester, Victoria University, Jodrell Bank, England; Tata Institute of Fundamental Research, Udhagamandalam, India), AB(National Radio Astronomy Observatory, Socorro, NM), AC(Manchester, Victoria University, Jodrell Bank, England; Tata Institute of Fundamental Research, Bangalore, India), AD(European Southern Observatory, Garching, Federal Republic of Germany), AE(Tata Institute of Fundamental Research, Udhagamandalam, India)
Publication:
Astronomy and Astrophysics (ISSN 0004-6361), vol. 232, no. 2, June 1990, p. 467-476. (A&A Homepage)
Publication Date:
06/1990
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
H II REGIONS, SUPERNOVA REMNANTS, EMISSIVITY, INTERSTELLAR MAGNETIC FIELDS, POLARIZED RADIATION, STELLAR ENVELOPES, VERY LARGE ARRAY (VLA)
Bibliographic Code:
1990A&A...232..467P

Abstract

Radio observations of the SNR G 39.2 - 0.3 (obtained with the VLA at 1.5 and 5 GHz and with the OSRT at 327 MHz) and of the H II complex NRAO 591 (obtained with the VLA at 327 MHz and 1.5 GHz) are reported. The data are presented in tables, graphs, and contour maps and characterized in detail. It is found that the emission near the SNR shell is highly nonuniform, with a flat spectrum and a tail extending for about 135 deg in a curve to the east of the SNR. The distance to NRAO 591 is estimated as 14 kpc, and a partial shell structure is detected in the compact 'head' region.

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