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Title:
High-resolution radio observations of the supernova remnant G24.7 + 0.6 and the discovery of an ultracompact H II region
Authors:
Becker, R. H.; Helfand, D. J.
Affiliation:
AA(California, University, Davis and Livermore), AB(Columbia University, New York)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 316, May 15, 1987, p. 660-662. (ApJ Homepage)
Publication Date:
05/1987
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
H Ii Regions, Nebulae, Radio Sources (Astronomy), Supernova Remnants, Astronomical Maps, Hydrogen Ions
DOI:
10.1086/165231
Bibliographic Code:
1987ApJ...316..660B

Abstract

The Crab-like SNR G24.7 + 0.6 with 12 arcmin resolution at 20 cm wavelength has been observed. The image reveals a bright Crab-like core surrounded by a faint shell. An ultracompact H II region lies adjacent to the remnant core and several other compact H II regions lie just outside the remnant shell. Optical, far-infrared, and X-ray observations of the region are also presented. The specific attributes of this remnant and its place in the classification of composite versus Crab-like remnants as well as the general question of the association between Crab-like remnants and H II regions are discussed.

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