[vsnet-campaign-dn 15286] ASASSN-17lq: most likely SU UMa star
Taichi Kato
tkato at kusastro.kyoto-u.ac.jp
Mon Feb 1 11:51:48 JST 2021
ASASSN-17lq: most likely SU UMa star
In response to https://arxiv.org/pdf/2101.12239.pdf
(Kawash et al.)
ASAS-SN data:
https://asas-sn.osu.edu/sky-patrol/coordinate/46615f55-1aa8-4cd6-8c84-78178f6fb28a
As seen in the figure of this paper, the outburst
was followed by a rebrightening.
An analysis of Josch Hmabsch's data yield low-amplitude
(0.05 mag) likely superhumps with a period of 0.0621(4) d.
(The observations were performed during the late phase
of the outburst and the amplitude should have already
decreased. The outburst peak was likely missed
by ASAS-SN).
Considering that the object faded quickly between
2017 Sep. 12 and 14, the overall behavior supports
the SU UMa-type classification (with a single
rebrightening).
Among the eight objects in the paper, ASASSN-19fd has
already been classified as an SU UMa star.
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