Bright Infrared Progenitor of Luminous Transient in NGC300 implies Explosion of a Massive Star

Details Bright Infrared Progenitor of Luminous Transient in NGC300 implies Explosion of a Massive Star Bright Infrared Progenitor of Luminous Transient in NGC300 implies Explosion of a Massive Star

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008atel.1550....1p&link_type=abstract

The Astronomer's Telegram, #1550

Astronomy and Astrophysics

Astronomy

24

Infra-Red, Transients

Scientific paper

We report analysis of pre-explosion, archival Spitzer images of NGC300 obtained in Dec. 28, 2007 (PI: R. Kennicutt). We detect an infrared source at RA=00:54:34.53, DEC=-37:38:31.71 (J2000), which is within 1 sigma (0.25") of the position of the luminous transient discovered by Monard (IAUC #8946), and reported by Berger & Soderberg (ATEL #1544). The source is detected in all four IRAC bands at 3.6, 4.5, 5.8 and 8 micron, and in the MIPS 24 micron band.

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