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29 March 2024
 
  » arxiv » astro-ph/0702591

 Article overview


Adaptive Optics Discovery of a Supernova in the Nuclear Regions of the Luminous Infrared Galaxy IRAS 18293-3413
S. Mattila ; P. Vaisanen ; D. Farrah ; A. Efstathiou ; W.P.S. Meikle ; T. Dahlen ; C. Fransson ; P. Lira ; P. Lundqvist ; G. Ostlin ; S. Ryder ; J. Sollerman ;
Date 21 Feb 2007
AbstractWe report a supernova discovery in Ks-band images from the NAOS CONICA adaptive optics (AO) system on the ESO Very Large Telescope (VLT). The images were obtained as part of a near-infrared search for highly-obscured supernovae in the nuclear regions of luminous and ultraluminous infrared galaxies. The supernova is located within a circumnuclear starburst at 1.4 arcsec (or 500 pc) projected distance from the K-band nucleus of the luminous infrared galaxy IRAS 18293-3413. The supernova luminosity and light curve are consistent with a core-collapse event suffering from a host galaxy extinction of up to about 40 magnitudes in V-band which is as expected for a circumnuclear starburst environment. This is the first supernova to be discovered making use of AO correction and demonstrates the potential of the current 8-meter class telescopes equipped with AO systems in discovering SNe from the innermost nuclear regions of luminous and ultraluminous infrared galaxies.
Source arXiv, astro-ph/0702591
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