[vsnet-outburst 5168] BC UMa observation by Nakajima-san

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

BC UMa observation by Nakajima-san

Dear Colleagues,

   We have received nearly 6-hour observation from K. Nakajima-san (Mie,
Japan).  Although there existed small light variations, no clear superhumps
have been recorded.  However, the characterstic time-scales of the
variations seem to be similar to those of other short-period SU UMa stars
before superhumps actually grow.  These variations may suggest that
the present outburst will evolve into a genuine superoutburst, and we
are witnessing its earliest stage.  We have also received a successful
communication of observation from H. Maehara-san (Saitama, Japan).
These observations will be reviewed when the results become available.

Regards,
Taichi Kato
VSNET Collaboration team

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