LIRIS Discovers Supernovae in Starburst Galaxies

Details LIRIS Discovers Supernovae in Starburst Galaxies LIRIS Discovers Supernovae in Starburst Galaxies

Mar 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005ingn....9...16m&link_type=abstract

The Newsletter of the Isaac Newton Group of Telescopes (ING Newsl.), issue no. 9, p. 16-17.

Other

Infrared, Liris, Supernova, Starburst Galaxy, Sn 2004Am, Sn 2005U, Sn 2005V, Sn 2004Gt

Scientific paper

In the nuclear regions of M82 and other nearby starburst galaxies one core-collapse supernova (CCSN) is expected to explode every 5-10 years. Furthermore, in luminous infrared galaxies (LIRGs) such as the interacting system Arp299 (NGC3690 +IC0694) at least one CCSN can be expected every year. However, due to the high dust extinction astronomers have been unable to detect these SNe. By observing in the near-IR Ks-band the extinction is strongly reduced, making searches for such dust obscured SNe look feasible. In fact, recent near-IR searches have been able to detect a couple of SNe in starburst galaxies. These are however only extinguished by a few of magnitudes in the visual wavelengths. Now also the newly commissioned near-IR imager LIRIS on WHT has discovered two new SNe within the nuclear regions of Arp299 and NGC2146.

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