S. Mattila et al 2007 ApJ 659 L9 doi:10.1086/516821
S. Mattila1, P. Väisänen2, D. Farrah3, A. Efstathiou4, W. P. S. Meikle5, T. Dahlen6, C. Fransson7, P. Lira8, P. Lundqvist7, G. Östlin7, S. Ryder9 and J. Sollerman10
Show affiliationsWe report a supernova discovery in Ks-band images from the NAOS CONICA adaptive optics (AO) system on the ESO Very Large Telescope. 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. SN 2004ip is located within a circumnuclear starburst at 1.4'' (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 mag in the 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 m-class telescopes equipped with AO in discovering supernovae from the innermost nuclear regions of luminous and ultraluminous infrared galaxies.
galaxies: individual (IRAS 18293–3413); galaxies: starburst; infrared: galaxies; instrumentation: adaptive optics; supernovae: general
Issue 1 (2007 April 10)
Received 2007 January 15, accepted for publication 2007 March 1
Published 2007 March 9
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