[vsnet-alert 7469] MM Sco: refined superhump period

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

MM Sco: refined superhump period

Dear Colleagues,

    Berto Monard has kindly sent the second-night observation of MM Sco.
Although the amplitude had become slightly smaller (an effect of the
combined light?), superhumps are still clearly present.  This observation
finally confirms the SU UMa-type nature of MM Sco!

    The best superhump period is 0.06131(6) d, making MM Sco a member of
relatively short-period systems.

    Further observations are strongly encouraged.  The astrometric analysis
of the outburst image is keenly in progress at Yamaoka-san.  A representative
image from Berto Monard is put on the VSNET MM Sco page.

    http://vsnet.kusastro.kyoto-u.ac.jp/vsnet/DNe/mmsco.html

Regards,
Taichi Kato
VSNET Collaboration team

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