[vsnet-outburst 24010] ASASSN-19si: spectroscopic classification as a dwarf nova (ATel #13034)

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

ASASSN-19si  (UGWZ:)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=844276

"Spectroscopic classification of ASASSN-19si as a WZ Sge-type dwarf nova":
http://www.astronomerstelegram.org/?read=13034

Complete 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/928dc33a-a675-4ea0-b70b-4ff4644da20c

AAVSO data – mainly by Tonny Vanmunster (VMT):
https://www.aavso.org/apps/webobs/results/?star=ASASSN-19SI

"ASASSN-19si still bright" (T. Kato, vsnet-alert 23462):
http://ooruri.kusastro.kyoto-u.ac.jp/mailarchive/vsnet-alert/23462

The likely superoutburst began on 2019 July 24. Time-resolved
photometry not only on July 29 would have been recommended.
Watch out for rebrightenings!

Clear skies,
Patrick