Common Envelope Ejection for a Luminous Red Nova in M101


We present the results of optical, near-infrared, and mid-infrared observations of M101 OT2015-1 (PSN J14021678+5426205), a luminous red transient in the Pinwheel galaxy (M101), spanning a total of 16 years. The light curve showed two distinct peaks with absolute magnitudes  M 12.4 r and  M 12 r , on 2014 November 11 and 2015 February 17, respectively… (More)


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