[vsnet-alert 25447] GP CVn outburst (since Feb. 24)

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

 GP Canum Venaticorum (UGSU+E)
Orbital period: 0.06295041 d (90.64859 min)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=161009
 
Zwicky Transient Facility (ZTF) light curve and data:
https://lasair.roe.ac.uk/object/ZTF18aajoejk/
CVNGP 20210222.391 19.31zr ZTF
CVNGP 20210224.364 15.51zr ZTF
CVNGP 20210224.430 15.45zg ZTF
 
Recent ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S
and Kochanek et al. 2017PASP..129j4502K) light curve and data:
https://asas-sn.osu.edu/sky-patrol/coordinate/82cf773c-1325-4c6e-8a47-2cf49abc3713
 
A superoutburst was observed 2020 May 11-18 (first detected
by Y. Maeda; see also T. Kato's message below).
 
Time-resolved photometry is encouraged.
 
Clear skies,
Patrick
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     Am Donnerstag, 14. Mai 2020, 04:44:54 MESZ hat Taichi Kato <tkato at kusastro.kyoto-u.ac.jp> Folgendes geschrieben:  
 
 GP CVn superoutburst

  Itoh-san reported observations on two nights.
The object showed a superhump (and eclipses).
The current outburst is confirmed to be
a superoutburst.