[vsnet-alert 16385] ASASSN-13ck: corrected superhump periods and mass ratio

[Taichi Kato]

ASASSN-13ck: corrected superhump periods and mass ratio

   We have received observations from Oksanen team (Arto Oksanen,
Caisey Harlingten) and Maeda-san.  It has become obvious that
I used an incorrect script (I failed to restore 2-hr correction
when I corrected past observation of Masi's team) and all the data
have been now corrected.

   The period of early superhumps have been corrected to be
0.055361(6) d.  The profile was vert characteristic of early
superhumps (full amplitude 0.04 mag).  The period of stage A
superhumps was 0.05685(6) d (including Masi's data; stage A
superhumps were seen only between Sep. 6 and 8).
The object now shows a short superhump period,
suggesting that it already entered stage B.
The mass ratio has been very well determined to be 0.070.