[vsnet-campaign-dn 15382] ASASSN-21br: short superhump period

[反保雄介]

ASASSN-21br: short superhump period

Josch Hambsch and Berto Monard reported time-resolved observation of
ASASSN-21br.
The PDM period analysis yields a single-peak variation with the amplitude
of 0.04 mag and the period of 0.0261(2), likely an ordinary superhump.

Therefore, ASASSN-21br is likely a superoutburst from an AM CVn-type star.
Time-resolved observations are strongly encouraged for southern observers!

Yusuke

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Kyoto University, Graduate School of Department of Astronomy
Yusuke TAMPO
MAIL: tampo at kusastro.kyoto-u.ac.jp

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