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Adaptive Optics Discovery of Supernova 2004ip in the Nuclear Regions of the Luminous Infrared Galaxy IRAS 18293–3413

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Published 2007 March 9 • © 2007. The American Astronomical Society. All rights reserved. Printed in U.S.A.
, , Citation S. Mattila et al 2007 ApJ 659 L9 DOI 10.1086/516821

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Author affiliations

1 Astrophysics Research Centre, School of Mathematics and Physics, Queen's University of Belfast, Belfast BT7 1NN, UK

2 South African Astronomical Observatory, Observatory 7935, South Africa

3 Department of Astronomy, Cornell University, Ithaca, NY 14853

4 School of Computer Science and Engineering, Cyprus College, Engomi, 1516 Nicosia, Cyprus

5 Astrophysics Group, Blackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2AZ, UK

6 Space Telescope Science Institute, Baltimore, MD 21218

7 Department of Astronomy, Stockholm University, AlbaNova, SE-106 91 Stockholm, Sweden

8 Departamento de Astronomía, Universidad de Chile, Santiago, Chile

9 Anglo-Australian Observatory, Epping, NSW 1710, Australia

10 Dark Cosmology Centre, Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark

Dates

  1. Received 2007 January 15
  2. Accepted 2007 March 1
  3. Published
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1538-4357/659/1/L9

Abstract

We 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.

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10.1086/516821