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Astron. Astrophys. 326, 982-987

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SN 1995ah: the first supernova observed
in a blue compact dwarf galaxy*

Cristina C. Popescu1,5,**, Piero Rafanelli2, Stefano Benetti3, Ulrich Hopp4,***, Kurt Birkle1, and Hans Elsässer1

1Max Planck Institut für Astronomie, Königstuhl 17, D-69117 Heidelberg, Germany
2Department of Astronomy, University of Padova, Vicolo Osservatorio 5, I-35122 Padova, Italy
3European Southern Observatory, Alonso de Cordova 3107, Vitacura, Casilla 19001 Santiago 19, Chile
4Universitätssternwarte München, Scheiner Str.1, D-81679 München, Germany
5The Astronomical Institute of the Romanian Academy, Str. Cutitul de Argint 5, R-75212 Bucharest, Romania

Received 2 June 1997 / Accepted 21 July 1997


We present the properties of the supernova SN 1995ah discovered in a Blue Compact Dwarf galaxy (BCD) around 10 days after the maximum. This is the first supernova event observed in a BCD. The photometric and spectroscopic data suggest that SN 1995ah is a Type II supernova and could belong to the rare Bright SNII Linear subclass, for which FORMULA at maximum light.

Key words: supernovae: individual: SN 1995ah - galaxies: individual: HS0016+1449 - galaxies: compact

*Partly based on observations obtained at the European Southern Observatory, La Silla, Chile and at the German-Spanish Observatory, Calar Alto, Almeria, Spain
**Present address: MPIK, Saupfercheckweg1, D-69117 Heidelberg, Germany
***Visiting astronomer at Calar Alto

Send offprint requests to: Cristina C. Popescu

© European Southern Observatory (ESO) 1997

Online publication: October 1, 1997
Last change: April 8, 1998