The 2003-2004 Superoutburst of SDSS J013701.06-091234.9

Details The 2003-2004 Superoutburst of SDSS J013701.06-091234.9 The 2003-2004 Superoutburst of SDSS J013701.06-091234.9

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aspc..330..381i&link_type=abstract

The Astrophysics of Cataclysmic Variables and Related Objects, Proceedings of ASP Conference Vol. 330. Edited by J.-M. Hameury a

Astronomy and Astrophysics

Astrophysics

Scientific paper

We report on time-resolved photometry of the superoutburst of a new SU UMa-type star, SDSS J013701.06-091234.9 in 2003 December-2004 January. The obtained lightcurves show superhumps with a period of 81.7 min, which is one of the shortest periods among known SU UMa-type stars. The fractional superhump excess is 0.025, slightly larger than that of TOADs. Spectroscopic observations provided evidence for TiO band, implying a peculiar nature of the system when taking into account the fact that there is almost no evidence for a secondary star among SU UMa stars with short orbital periods. We also derived a distance to J0137 to be about 300 pc.

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