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Photometric Investigation of the Dwarf Nova OT J213806.6+261957 in Pegasus

Published online by Cambridge University Press:  17 January 2013

P. O. Zemko ,
M. V. Andreev ,
D. Chochol ,
N. A. Katysheva  and
S. Y. Shugarov
P. O. Zemko
Affiliation:
Sternberg State Astronomical Institute, 13, University Avenue, 119992, Moscow, Russia, email: [email protected]
M. V. Andreev
Affiliation:
Terskol Branch of the Astronomical Institute of the Russia Academy of Sciences, 48, Piatnitskaya str., 119017, Moscow, Russia
D. Chochol
Affiliation:
Astronomical Institute of the Slovak Academy of Sciences, 05960 Tatranská Lomnica, Slovakia
N. A. Katysheva
Affiliation:
Sternberg State Astronomical Institute, 13, University Avenue, 119992, Moscow, Russia, email: [email protected]
S. Y. Shugarov
Affiliation:
Sternberg State Astronomical Institute, 13, University Avenue, 119992, Moscow, Russia, email: [email protected] Astronomical Institute of the Slovak Academy of Sciences, 05960 Tatranská Lomnica, Slovakia
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Abstract

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Our UBV(RI)C CCD photometry of a WZ Sge-type dwarf nova OT J213806.6+261957, discovered on May 6, 2010 at 8.4 mag, is presented. The analysis of our ~ 10000 CCD images, taken at observatories in Russia, Ukraine and Slovakia during May-November 2010, revealed the presence of ordinary and late superhumps. Fast brightness variations (flickering) on a time scale of minutes were also detected.

Keywords

stars: dwarf novae
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Issue S281: Binary Paths to Type Ia Supernovae Explosions , July 2011 , pp. 130 - 131
Copyright
Copyright © International Astronomical Union 2013