Discovery of a bright radio transient in M82: a new radio supernova?

Details Discovery of a bright radio transient in M82: a new radio supernova? Discovery of a bright radio transient in M82: a new radio supernova?

Apr 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.2020....1b&link_type=abstract

The Astronomer's Telegram, #2020

Astronomy and Astrophysics

Astronomy

5

Radio, Novae, Supernovae, Transients

Scientific paper

We report the discovery of a new bright radio transient in M82's central region. Using the Very Large Array, we observed the nuclear region of M82 on 2008 March 24, 2008 May 03, and 2009 April 08 at 22 GHz and detected a new bright radio source. We find a flux density for this flaring source that is ~300 times larger than upper limits determined in previous observations. We estimated its position to be (J2000): RA = 09h 55m 51.55s +/- 0.01s DEC = +69d 40' 45.792'' +/- 0.005'' The flare must have started between 2007 October 29 and 2008 March 24.

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