2.7 GHz observations of the three old supernova remnants CTB1, G116.5+1.1, and G114.3+0.3 with the Effelsberg 100-m telescope

Details 2.7 GHz observations of the three old supernova remnants CTB1, G116.5+1.1, and G114.3+0.3 with the Effelsberg 100-m telescope 2.7 GHz observations of the three old supernova remnants CTB1, G116.5+1.1, and G114.3+0.3 with the Effelsberg 100-m telescope

Jun 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a....99...17r&link_type=abstract

Astronomy and Astrophysics, vol. 99, no. 1, June 1981, p. 17-26.

Astronomy and Astrophysics

Astronomy

44

Centimeter Waves, Hydrogen Clouds, Linear Polarization, Radio Astronomy, Supernova Remnants, Density Distribution, Gas Expansion, Radio Telescopes, Spatial Distribution, Stellar Envelopes

Scientific paper

Two possible supernova remnants have been detected in an 21-cm continuum survey conducted with the Effelsberg 100-m telescope. The two objects are located near the supernova remnant CTB1. Observations at a wavelength of 11 cm have been made of all three objects, and measurements of the linear polarization have been conducted. The total intensity map of all three objects is presented. Attention is given to the neutral hydrogen distribution and the optical features around the supernova remnants, taking into account the H I shell around CTB1, H I associated with G116.5+1.1 and G114.3+0.3, observations at other wavelengths related to the three objects, and the distances of the supernova remnants. All three sources show shell structure and have a nonthermal spectral index which is typical for supernova remnants.

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