Photometric observations of two type II-P Supernovae: normal SN II-P 2004A and unusual SN 2004ek

Details Photometric observations of two type II-P Supernovae: normal SN II-P 2004A and unusual SN 2004ek Photometric observations of two type II-P Supernovae: normal SN II-P 2004A and unusual SN 2004ek

2008-02-14

arxiv.org/abs/0802.2010v1

Peremennye Zvezdy (Variable Stars), 2008, vol. 28, N 3, http://www.astronet.ru/db/varstars/msg/1226985

Astronomy and Astrophysics

Astrophysics

4 pages, 7 figures, 3 tables, submitted to Variable Stars

Scientific paper

CCD BVRI photometry is presented for type II Supernovae 2004A and 2004ek. SN 2004A is found to be a typical SN II-P, with the shape of the light and color curves and maximum luminosity closely matching those for SN 1999em. SN 2004ek shows unusual light curves with long flat plateau in the B band, two peaks in the V and prominent brightening in the R and I bands, starting about 45 days past outburst. The brightness decline after the plateau stage is probably quite slow. The plateau luminosity is about 1.5 mag brighter than average for SN II-P.

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