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Paper: The 2003-2004 Superoutburst of SDSS J013701.06-091234.9
Volume: 330, The Astrophysics of Cataclysmic Variables and Related Objects
Page: 381
Authors: Imada, A.; Ishioka, R.; Nogami, D.; Uemura, M.; Kato, T.; VSNET Collaboration Team
Abstract: 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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