[vsnet-alert 23646] CRTS J213937.6-023913 outburst (since Oct. 17)

Mon Oct 21 23:36:29 JST 2019

CRTS J213937.6-023913  (UGSU:)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=238683

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/5444aa3e-078b-4eb6-a524-5e3649d48231

Relatively slow rise. Looks more like an SS Cyg-type dwarf nova.

"No very apparent superhumps were present" during the long
outburst in 2018 October:
http://ooruri.kusastro.kyoto-u.ac.jp/mailarchive/vsnet-alert/22654
http://ooruri.kusastro.kyoto-u.ac.jp/mailarchive/vsnet-alert/22672

For the UGSU: classification see
http://ooruri.kusastro.kyoto-u.ac.jp/mailarchive/vsnet-alert/17837

Clear skies,
Patrick