The 2003 and 2005 superhumps in V1113 Cygni

Details The 2003 and 2005 superhumps in V1113 Cygni The 2003 and 2005 superhumps in V1113 Cygni

2010-05-18

arxiv.org/abs/1005.3278v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

9 pages, 5 figures, accepted for publication in Acta Astronomica

Scientific paper

We report CCD photometry of the cataclysmic variable V1113 Cygni. During two campaigns, lasting from May to August 2003 and from March to June 2005, we recorded two superoutburst. In the obtained light curves we detected clear superhumps with a mean period 0.07891(3) days (113.63(4) min). That fact confirms that the star is a member of SU UMa class of dwarf novae. During the first observed superoutburst the superhump period was decreasing with an enormous rate of $\dot P = -4.5(8)\times 10^{-4}$ which is one of the highest values ever observed in SU UMa systems.

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