Discovery and Infrared Evolution of the New Luminous Red Novae M85OT2006-1

Details Discovery and Infrared Evolution of the New Luminous Red Novae M85OT2006-1 Discovery and Infrared Evolution of the New Luminous Red Novae M85OT2006-1

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...210.4107r&link_type=abstract

American Astronomical Society Meeting 210, #41.07; Bulletin of the American Astronomical Society, Vol. 39, p.156

Astronomy and Astrophysics

Astronomy

Scientific paper

Historically, variable and transient sources have both surprised astronomers and provided new views of the heavens. Here we report the discovery of an optical transient in the outskirts of the lenticular galaxy Messier 85 in the Virgo Cluster. The event, M85OT2006-1, is the latest and most brilliant addition to the small group of known Luminous Red Novae. An identifying characteristic of the previously detected events (M31 RV, V4322 Sgr & V838 Mon) was a spectral red-ward evolution connected with an emerging infrared component following the optical decay. Using Keck/NIRC and Spitzer/IRAC+IRS we discovered a similar feature in M85OT2006-1 six months post-eruption. We will discuss the proerties and late time evolution of this enigmatic transient.

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