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Photometric observations and preliminary modeling of type IIb supernova 2011dh
D. Yu. Tsvetkov, I. M. Volkov, E. I. Sorokina +3
CCD UBVRI photometry is presented for type IIb SN 2011dh for about 300 days. The main photometric parameters are derived and the comparison with SNe of similar types is reported. T…
Photometric observations of the supernova 2009nr
D. Yu. Tsvetkov, P. V. Balanutsa, V. M. Lipunov +15
We present the results of our UBVRI CCD photometry for the second brightest supernova of 2009, SN 2009nr, discovered during a sky survey with the telescopes of the MASTER robotic n…
The bright Type IIP SN 2009bw, showing signs of interaction
C. Inserra, M. Turatto, A. Pastorello +18
We present photometry and spectroscopy of the type IIP supernova 2009bw in UGC 2890 from few days after the outburst to 241 days. The light curve of SN 2009bw during the photospher…