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OPTICAL AND INFRARED OBSERVATIONS OF THE SUPERNOVA SN 1999el1 E. Di Carlo,2
 

Summary: OPTICAL AND INFRARED OBSERVATIONS OF THE SUPERNOVA SN 1999el1
E. Di Carlo,2
F. Massi,2
G. Valentini,2
A. Di Paola,3
F. D'Alessio,3
E. Brocato,2
D. Guidubaldi,2
M. Dolci,2
F. Pedichini,3 R. Speziali,3 G. Li Causi,3 A. Caratti o Garatti,2 E. Cappellaro,4 M. Turatto,4 A. A. Arkharov,5
Y. Gnedin,5 V. M. Larionov,5,6,7 S. Benetti,4,8 A. Pastorello,4 I. Aretxaga,9,10 V. Chavushyan,9,10 O. Vega,9,10
I. J. Danziger,11 and A. Tornambe´2
Received 2001 September 12; accepted 2002 March 5
ABSTRACT
Optical and near-infrared light curves of the Type IIn supernova SN 1999el in NGC 6951 are presented. A
period of 220 days (416 days in the near-infrared) is covered from the first observation obtained a few days
before maximum light. Spectroscopic observations are also discussed. Using as a distance calibrator the Type
Ia SN 2000E, which occurred some months later in the same galaxy, and fitting a blackbody law to the photo-
metric data, we obtain a maximum bolometric luminosity for SN 1999el of $1044 ergs sÀ1. In general, the
photometric properties of SN 1999el are very similar to those of SN 1998S, a bright and well-studied Type

  

Source: Aretxaga, Itziar - Instituto Nacional de Astrofísica Óptica y Electrónica

 

Collections: Physics