Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009seraj.178...65p&link_type=abstract
Serbian Astronomical Journal, vol. 178, pp. 65-70
Astronomy and Astrophysics
Astronomy
2
Radio Continuum: Galaxies, Magellanic Clouds, Catalogs
Scientific paper
We present the 100 strongest 1.4~GHz point sources from a new mosaic image in the direction of the Large Magellanic Cloud (LMC). The observations making up the mosaic were made using Australia Telescope Compact Array (ATCA) over a ten year period and were combined with Parkes single dish data at 1.4 GHz to complete the image for short spacing. An initial list of co-identifications within 10 arcsec at 0.843, 4.8 and 8.6 GHz consisted of 2682 sources. Elimination of extended objects and artifact noise allowed the creation of a refined list containing 1988 point sources. Most of these are presumed to be background objects seen through the LMC; a small portion may represent compact HII regions, young SNRs and radio planetary nebulae. For the 1988 point sources we find a preliminary average spectral index (α) of -0.53 and present a 1.4 GHz image showing source location in the direction of the LMC.
Crawford Evan J.
de Horta Ain Yaci
Filipović Miroslav D.
Payne Jeff L.
Tauber L. A.
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