[vsnet-alert 9323] GW Lib superhump period change

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Fri Apr 27 14:00:39 JST 2007


Dear all,

   A preliminary analysis of GW Lib superhump light curve
has shown that the system had experienced a sudden period
change at around April 24.9 UT.  The period discontinuously
decreased from 0.05461(4) d to 0.05387(2), corresponding
to fractional period excesses of 2.4% and 1.0%, respectively.
More detailed analysis is being undertaken by Imada-san.


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