[vsnet-alert 21658] ASASSN-17pm: stage A-B transition

Keisuke Isogai isogai at kusastro.kyoto-u.ac.jp
Sun Dec 3 00:16:52 JST 2017

ASASSN-17pm: stage A-B transition

     Josch Hambsch, Itoh-san, Kiyota-san and Kyoto U. team have reported
further observations. The object showed the stage A-B transition. The updated
period of stage A is 0.06161 (6) d, and the period of stage B is 0.06038(7) d.
The updated mass ratio by using the above period is 0.082(3).
     This mass ratio and the early superhump period of 0.059744 (6) d imply
that the object shows multiple (type-B) rebrightenings.
     Further observations are encouraged.

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