[vsnet-alert 17048] SDSS J090221.35+381941.9: superhumps again

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Wed Mar 19 09:59:59 JST 2014

SDSS J090221.35+381941.9: superhumps again

   Enrique de Miguel, Arto Oksanen and Gianluca Masi
have reported new observations.  In the most recent
observation by Masi, superhumps with increasing
amplitudes apparently appeared.  The period on this
night was 0.0343(2) d.  It looks like that early
superhumps was present only for a short while
when the object was rising to the peak and around
the peak.  This finding again stresses the importance
of long, continuous observations of this most important

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