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Title:
G296.05-0.50 - A large-diameter supernova remnant
Authors:
Caswell, J. L.; Barnes, P. L.
Affiliation:
AA(Commonwealth Scientific and Industrial Research Organization, Div. of Radiophysics, Sydney, Australia), AB(Sydney, University, Sydney, Australia)
Publication:
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 271, Aug. 15, 1983, p. L55-L58. (ApJL Homepage)
Publication Date:
08/1983
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
RADIO SOURCES (ASTRONOMY), SUPERNOVA REMNANTS, X RAY SOURCES, BRIGHTNESS TEMPERATURE, INTERSTELLAR GAS, LIGHT EMISSION, PULSARS
DOI:
10.1086/184094
Bibliographic Code:
1983ApJ...271L..55C

Abstract

A new map made at 408 MHz with the Molonglo Cross shows a supernova remnant (SNR) shell centered at 1 = 296.05 deg, b = -0.50 deg with a mean angular diameter of 33 arcmin. It is concluded that the X-ray emission from the region is due to a single SNR rather than two overlapping ones. As is common among SNRs, some of the stronger X-ray emission is located at a weak part of the radio shell. The distance to the object is estimated at 7.7 kpc. Other features of the map are briefly discussed.

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