[vsnet-campaign-dn 2850] AB Nor new data from Berto Monard: fading

[Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>]

AB Nor new data from Berto Monard: fading

Dear Colleagues,

   We have received new data of AB Nor (Sep. 12) from Berto Monard.
The data show a gradual fading, which suggests that AB Nor is entering
the rapid fading stage.  The superhump signal has become slightly more
complex, but the superhumps still clearly persisted.  A period analysis
of the recent data suggest a large change in the period (presently the
best period is probably short than 0.08 d) compared to the early data
sets.  Further detailed observations are still highly encouraged.

Regards,
Taichi Kato
VSNET Collaboration team

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