[vsnet-alert 24601] RX J0044.3+4134: second rebrightening
Denis Denisenko d.v.denisenko@gmail.com via vsnet-alert
vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp
Thu Aug 27 21:30:45 JST 2020
Selected ZTF Lasair data (Masci et al., 2019):
ZTF20ablyczu = RX J0044.3+4134 = AT 2020plo
20200818.4305 19.42r ZTF
20200819.4107 16.69g ZTF 1st rebrightening
20200820.3871 17.81r ZTF
20200821.3428 19.35g ZTF
(some data skipped)
20200826.4338 19.63r ZTF
20200826.4656 19.99g ZTF
20200827.3330 18.67g ZTF
20200827.3818 17.86r ZTF
20200827.4067 17.63r ZTF 2nd rebrightening
Complete ZTF Lasair light curve:
https://lasair.roe.ac.uk/object/ZTF20ablyczu/
The 2020 superoutburst has lasted for 23 days, from July 16 to Aug. 07th.
The first rebrightening to R=17.08 on Aug. 18.96 UT was reported in ATel
#13955 (A. Valcheva et al.). Quoting ATel #13955:
> The observed rebrightening of AT2020plo is consistent with a single
> rebrightening WZ Sge-type stars such as ASAS J002511+1217.2 and RZ Leo.
Here is the second one. The star hasn't returned to its quiescent level of
22.7m yet.
Denis Denisenko
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