[vsnet-alert 27224] ASASSN-22ak outburst (V3101 Cyg analog?)
21 Dec
2022
21 Dec
'22
1:34 a.m.
ASASSN-22ak outburst (V3101 Cyg analog?)
The outburst behavior is rather atypical.
ASAS-SN light curve: https://asas-sn.osu.edu/sky-patrol/coordinate/69fa9f75-419d-482e-8a8b-0e0312... All outbursts look like superoutbursts. The object looked like dormant before the exceptionally bright (13.1 mag) outburst in 202 Jan. Might be an object similar to V3101 Cyg (=TCP J21040470+4631129). ASASSN-22ak have much longer outbursts compared to "rebightening"-type superoutbursts in V3101 Cyg. An AM CVn star would also be a candidate considering the short recurrence time of superoutbursts. Detailed observations are encouraged anyway.
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Taichi Kato