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Title:
The central X-ray source in RCW 103 - Evidence for blackbody emission
Authors:
Tuohy, I. R.; Dopita, M. A.; Garmire, G. P.; Manchester, R. N.
Affiliation:
AA(Mount Stromlo and Siding Spring Observatories, Canberra, Australia), AB(Mount Stromlo and Siding Spring Observatories, Canberra, Australia), AC(Pennsylvania State University, University Park, PA), AD(Commonwealth Scientific and Industrial Research Organization, Div. of Radiophysics, Epping, New South Wales, Australia)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 268, May 15, 1983, p. 778-781. (ApJ Homepage)
Publication Date:
05/1983
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
BINARY STARS, BLACK BODY RADIATION, NEBULAE, NEUTRON STARS, SUPERNOVA REMNANTS, X RAY SOURCES, COOLING, POINT SOURCES, STELLAR LUMINOSITY, STELLAR TEMPERATURE
DOI:
10.1086/160999
Bibliographic Code:
1983ApJ...268..778T

Abstract

An improved position for the compact X-ray source in the center of the young supernova remnant RCW 103 is presented. Only one star brighter than V of about 22 mag lies inside the new error circle, but a spectroscopic study of the star rules out any relationship to the X-ray source. A sensitive search for radio pulsations from RCW 103 has proved equally unsuccessful. The absence of an optical or radio counterpart for the central X-ray source strengthens the likelihood that the object is a hot neutron star emitting blackbody radiation. This result is in accord with several theoretical calculations of neutron star cooling rates.

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