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Title:
Observations of the remnant of Tycho's supernova /3C 10/ at a frequency of 10.7 GHz
Authors:
Klein, U.; Emerson, D. T.; Haslam, C. G. T.; Salter, C. J.
Affiliation:
AA(Max-Planck-Institut fuer Radioastronomie, Bonn, West Germany), AB(Max-Planck-Institut fuer Radioastronomie, Bonn, West Germany), AC(Max-Planck-Institut fuer Radioastronomie, Bonn, West Germany), AD(Max-Planck-Institut fuer Radioastronomie, Bonn, West Germany)
Publication:
Astronomy and Astrophysics, vol. 76, no. 1, June 1979, p. 120-123. (A&A Homepage)
Publication Date:
06/1979
Category:
Astronomy
Origin:
STI
NASA/STI Keywords:
ASTRONOMICAL MAPS, MICROWAVE EMISSION, RADIAL VELOCITY, SPECTRAL ENERGY DISTRIBUTION, SUPERNOVA REMNANTS, ASTRONOMICAL MODELS, BEAMS (RADIATION), ISOTROPY, NONTHERMAL RADIATION
Comment:
A&AA ID. AAA025.125.039
Bibliographic Code:
1979A&A....76..120K

Abstract

Results are reported for observations of 3C 10 (the radio source representing nonthermal emission from Tycho's supernova remnant) at a frequency of 10.7 GHz with an angular resolution of 1.2 arcmin. The spectral-index distribution across the remnant and the integrated spectrum of 3C 10 are examined. No significant evidence is found for the presence of a steep-spectrum low-frequency source component. The observed radial emission profile is shown to be well fitted by the simplest possible model, viz., a homogeneous isotropically radiating shell convolved with the telescope beam pattern.

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