Tales of the Lazy SN: SN 2008iy and the Connection to Very Luminous SNe

Details Tales of the Lazy SN: SN 2008iy and the Connection to Very Luminous SNe Tales of the Lazy SN: SN 2008iy and the Connection to Very Luminous SNe

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21533304m&link_type=abstract

American Astronomical Society, AAS Meeting #215, #333.04; Bulletin of the American Astronomical Society, Vol. 42, p.432

Astronomy and Astrophysics

Astronomy

Scientific paper

We present results of the Type IIn supernova (SN) 2008iy, which while spectroscopically similar to many Type IIn SNe took more than 400 days to reach peak optical light. Despite this unsurpassed rise time, SN 2008iy did not radiate an exceptional amount of energy in the optical, less than 1050 erg, due to its modest peak luminosity. However, a progenitor wind speed indicative of a luminous blue variable and an extended shell of circumstellar material lead us to argue that SN 2008iy may provide a link between Very Luminous and standard Type IIn SNe.

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