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Title:
A catalogue of Galactic supernova remnants from the Canadian Galactic plane survey. I. Flux densities, spectra, and polarization characteristics
Authors:
Kothes, R.; Fedotov, K.; Foster, T. J.; Uyanıker, B.
Affiliation:
AA(National Research Council of Canada, Herzberg Institute of Astrophysics, Dominion Radio Astrophysical Observatory, PO Box 248, Penticton, British Columbia, V2A 6J9, Canada ; Department of Physics and Astronomy, University of Calgary, 2500 University Drive N.W., Calgary, AB, Canada), AB(National Research Council of Canada, Herzberg Institute of Astrophysics, Dominion Radio Astrophysical Observatory, PO Box 248, Penticton, British Columbia, V2A 6J9, Canada; Department of Physics and Astronomy, University of Victoria, PO Box 3055, STN CSC, Victoria, BC, V8W 1A1, Canada), AC(National Research Council of Canada, Herzberg Institute of Astrophysics, Dominion Radio Astrophysical Observatory, PO Box 248, Penticton, British Columbia, V2A 6J9, Canada), AD(Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany ; National Research Council of Canada, Herzberg Institute of Astrophysics, Dominion Radio Astrophysical Observatory, PO Box 248, Penticton, British Columbia, V2A 6J9, Canada)
Publication:
Astronomy and Astrophysics, Volume 457, Issue 3, October III 2006, pp.1081-1093 (A&A Homepage)
Publication Date:
10/2006
Origin:
EDP Sciences
Keywords:
atlases, catalogs, polarization, ISM: supernova remnants
DOI:
10.1051/0004-6361:20065062
Bibliographic Code:
2006A&A...457.1081K

Abstract

We present a new catalogue containing all known Galactic supernova remnants observed in phase I and II of the Canadian Galactic Plane Survey (65° ≤ ℓ ≤ 175°, -5° ≤ b ≤ +7°). Stokes I images at 1420 MHz of 34 SNRs and at 408 MHz of 36 SNRs are displayed. From these 1 arcmin and 3 arcmin-resolution data (respectively) we determine accurate centre positions and angular dimensions. The flux densities at 1420 and 408 MHz are integrated and combined with values from the literature to define more accurate radio spectra. The CGPS polarization data at 1420 MHz were examined and significant linear polarization from 18 SNRs is found, with a modest signal from 6 others.
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