[vsnet-alert 24496] TCP J21130799-6242222 (= BraTS-SON-T2-018) superoutburst: rapidly fading on July 23

[Patrick Schmeer pasc1312-aavso@yahoo.de via vsnet-alert]

 TCP J21130799-6242222 = BraTS-SON-T2-018 (UGSU)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=1545807
 
Recent ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S
and Kochanek et al. 2017PASP..129j4502K) data and light curve:
https://asas-sn.osu.edu/light_curves/9a27ed90-36b9-4b0d-a71c-5b7a99bfecd4
 
AAVSO data (Josch Hambsch, HMB):
https://www.aavso.org/apps/webobs/results/?star=TCP+J21130799-6242222
 
Small dip on July 17, then plateau until July 21, rapid
fading started on July 22. Looks like a WZ Sge-type
dwarf nova outburst. Watch out for rebrightenings.
 
Clear skies,
Patrick
-------
     Am Donnerstag, 9. Juli 2020, 05:32:24 MESZ hat Taichi Kato <tkato at kusastro.kyoto-u.ac.jp> Folgendes geschrieben:  
 
 BraTS-SON-T2-018 = TCPJ21130799-6242222 = ASASSN-20hs: new SU UMa star

  Berto Monard and Josch Hambsch have reported observations.
The most recent data by Hambsch (July 8) showed clear
0.17-mag superhumps with a period of 0.0584(7) d.