A 4.8 and 8.6 GHz Survey of the Small Magellanic Cloud: The Images

Details A 4.8 and 8.6 GHz Survey of the Small Magellanic Cloud: The Images A 4.8 and 8.6 GHz Survey of the Small Magellanic Cloud: The Images

Nov 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aj....140.1511d&link_type=abstract

The Astronomical Journal, Volume 140, Issue 5, pp. 1511-1518 (2010).

Astronomy and Astrophysics

Astronomy

4

Galaxies: Individual: Smc, Ism: General, Radio Continuum: General, Surveys

Scientific paper

Detailed 4.8 and 8.6 GHz radio images of the entire Small Magellanic Cloud with half-power beamwidths of 35'' at 4.8 GHz and 22'' at 8.6 GHz have been obtained using the Australia Telescope Compact Array. A total of 3564 mosaic positions were used to cover an area of 4fdg5 on a side. Full polarimetric observations were made. These images have sufficient spatial resolution (~9 and 6 pc, respectively) and sensitivity (3σ of 1.5 mJy beam-1) to identify most of the individual supernova remnants and H II regions and also, in combination with available data from the Parkes 64 m telescope, the structure of the smooth emission in that galaxy. In addition, limited data using the sixth antenna at 4.5-6 km baselines are available to distinguish bright point sources (< 3 and 2 arcsec, respectively) and to help estimate sizes of individual sources smaller than the resolution of the full survey. The resultant database will be valuable for statistical studies and comparisons with X-ray, optical and infrared surveys of the Small Magellanic Cloud with similar resolution. The images and calibrated uv data are publicly available in FITS format.

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