Looking for the Elusive: Mining the VLA Archives for Radio Transients

Details Looking for the Elusive: Mining the VLA Archives for Radio Transients Looking for the Elusive: Mining the VLA Archives for Radio Transients

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ajur....5...13s&link_type=abstract

American Journal of Undergraduate Research, vol 5, no. 2, pp. 13-19

Astronomy and Astrophysics

Astronomy

Scientific paper

Detecting extragalactic radio transients will provide valuable information on several astronomical phenomena. Orphan gamma-ray burst afterglows (OGRBAs) and radio supernovae detection will be important for the theories of stellar collapse while the detection of tidal flares and variable active galactic nuclei (AGN) will provide details on massive black holes and galactic centers. In this paper we present the results of a survey we conducted using archived observations from the Very Large Array (VLA). We did not detect any transients in this set of data and from this we computed an upper limit on the rate of radio transients above 400 Jansky at 0.23 transients per square degree per year. This rules out one of several theories on the rates of OGRBAs.

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