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SNe 2005ay and 2005cs: Two interesting II-Plateau events
I. J. Danziger, A. Elmhamdi, D. Yu. Tsvetkov +2
The "U,B,V,R,I" light curves of the type IIP supernovae (SNe IIP) SN 2005ay and SN 2005cs, and one spectrum for SN 2005cs, are presented and analyzed. We found both events to be fa…
The light curves of type Ia Supernova 2004fu
D. Yu. Tsvetkov
CCD UBVRI photometry is presented for type Ia supernova 2004fu in NGC 6949. The light and colour curves are typical for this class of objects, absolute magnitude at maximum and dec…
Observations and analysis of two type IIP supernovae: the intrinsically faint object SN 2005cs and the ambiguous object SN 2005ay
D. Yu. Tsvetkov, A. A. Volnova, A. P. Shulga +4
Aims: To derive observational properties and physical parameters of the progenitor stars of type IIP supernovae SN 2005ay and SN 2005cs from their U,B,V,R,I CCD photometry, and to…
Photometric observations of Supernovae 2000E, 2001B, 2001V, and 2001X
D. Yu. Tsvetkov
CCD BVRI photometry is presented for two type Ia supernovae 2000E and 2001V, for SN Ib 2001B and SN II-P 2001X. The parameters of light curves and absolute magnitudes at maximum li…