Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983azh....60..493p&link_type=abstract
Astronomicheskii Zhurnal, Vol. 60, P. 493, 1983
Astronomy and Astrophysics
Astronomy
5
Scientific paper
A search for compact (scintillating) radio sources in the direction of 60 supernova remnants (SNR) has been carried out at 102 MHz. Compact sources with angular sizes of ≤1arcsec have been discovered in the directions of the SNR W 50, HB 9, and VRO 42.05.01. There is a reason to believe that such a compact source is observed in the direction of the SNR 3C 58. The compact source in the direction of the SNR W 50 is identified with the peculiar object SS 433. On the basis of the analysis of compilation spectrum of the neutron star in the Crab nebula in the frequency range of 13-611 MHz (derived from the data for 12 years) it is shown that the radio spectrum (α = -2.9 ± 0.3) and the flux density of this star (45 Jy at 100 MHz) have no regular annual variations exceeding 3 and 5% respectively. The identification of these sources is considered. The radio spectra and angular sizes are analysed and the nature of the sources is discussed.
Pynzar' A. V.
Udaltsov V. A.
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