[vsnet-alert 11828] OT J104411.4+211307 (=CSS100217:104411+211307) period of early superhumps

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Sun Feb 21 10:53:43 JST 2010

OT J104411.4+211307 (=CSS100217:104411+211307) period of early superhumps

   Maehara-san, Ian Miller and Kiyota-san have reported time-series
photometry.  As reported by Maehara-san, double-wave modulations
resembling early superhumps of WZ Sge-type dwarf novae were present.
The full amplitude of variations was 0.04 mag (average), with minima
more prominent and sharper.

   The most likely period 0.06301(4) d is unusually long for a WZ Sge-type
dwarf nova.  This object might resemble long-Psh WZ Sge-type dwarf novae
(candidate period bouncers?) such as EG Cnc, OT J111217.4-353829 and
VX For.  If the classification and period are confirmed, this object
would become the longest-Psh system among these objects (will be important
for study of CV evolution).  Further detailed observations are strongly

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