[vsnet-alert 11180] SDSS J152419.33+220920.0: variation in the superhump period

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Sun Apr 12 10:21:13 JST 2009


SDSS J152419.33+220920.0: variation in the superhump period

   Pavol A. Dubovsky has reported an extensive data set of this object.
The data now clearly show the early-stage period increase, as expected
from the superhump period.  The dot(P)/P = +11(5)*10^(-5) before April 6.
The period then showed a transition to a shorter period.
The mean superhump period during the entire superoutburst was
0.067078(12) d.


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