Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001mnras.326..283g&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 326, Issue 1, pp. 283-286.
Astronomy and Astrophysics
Astronomy
3
Ism: Individual: G353.9-2.0, Supernova Remnants, Radio Continuum: Ism
Scientific paper
G353.9-2.0 is a likely Galactic supernova remnant (SNR) identified from a visual inspection of the National Radio Astronomy Observations (NRAO) Very Large Array (VLA) Sky Survey (NVSS) observations in the Galactic plane. It shows a shell structure, about 13arcmin in diameter, with a central extended source. VLA observations of G353.9-2.0 at 1.4GHz, with a resolution of ~40arcsec, and a significantly better sensitivity than the NVSS observations, are presented here, together with observations at 327MHz and observations of the central source at 8.4GHz. These new observations and existing results from the literature are discussed. G353.9-2.0 is confirmed as a SNR, and the central source as a likely extragalactic double source.
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