The 100 strongest radio point sources in the field of the large magellanic cloud at 1.4 GHz

Payne, J.L., Tauber, L.A., Filipovic, M.D., Crawford, E.J., and De Horta, A.Y. (2009) The 100 strongest radio point sources in the field of the large magellanic cloud at 1.4 GHz. Serbian Astronomical Journal, 178. pp. 65-70.

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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′′ 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 H II 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.

Item ID: 11537
Item Type: Article (Research - C1)
ISSN: 1450-698X
Keywords: catalogs; Magellanic clouds; radio continuum: galaxies
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Date Deposited: 07 Jun 2010 22:44
FoR Codes: 02 PHYSICAL SCIENCES > 0201 Astronomical and Space Sciences > 020103 Cosmology and Extragalactic Astronomy @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100%
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