Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....76..120k&link_type=abstract
Astronomy and Astrophysics, vol. 76, no. 1, June 1979, p. 120-123.
Astronomy and Astrophysics
Astrophysics
20
Astronomical Maps, Microwave Emission, Radial Velocity, Spectral Energy Distribution, Supernova Remnants, Astronomical Models, Beams (Radiation), Isotropy, Nonthermal Radiation
Scientific paper
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.
Emerson Darrel T.
Haslam G. T. C.
Klein Ulf
Salter Christopher J.
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