[vsnet-alert 25595] YZ LMi superoutburst (since Mar. 15)

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

 YZ Leonis Minoris (UGSU+E, AM CVn star)
Eclipsing; orbital period 0.01966 d (28.31 min)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=132406

Complete ASAS-SN Sky Patrol light curve and data:
https://asas-sn.osu.edu/sky-patrol/coordinate/fa008a26-08da-425b-83d9-aaabf852a9bb
The current superoutburst began between 2021 March 9 and 15.

ZTF light curve, data, and images (via Lasair):
https://lasair.roe.ac.uk/object/ZTF17aackrzg/
 
Taichi Kato wrote:
> the brightening needs to be confirmed.
The brightening can also be seen in the ZTF images.

I did not follow this star very closely rececently, as outbursts
seemed to occur rather frequently. And according to VSX it
is a confirmed SU UMa-type dwarf nova.
 
Regards,
Patrick
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     Am Mittwoch, 24. März 2021, 00:22:20 MEZ hat Taichi Kato <tkato at kusastro.kyoto-u.ac.jp> Folgendes geschrieben:  
 
 YZ LMi outburst? (AM CVn+E)

  Normally at 19 mag.  There is a bright star (SAO61493)
to the north and the brightening needs to be confirmed.

  YYYYMMDD(UT)  mag  observer
  20210317.3329 16.290zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210319.2298 17.436zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210321.2109 18.466zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210323.2368 17.840zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210323.3023 17.903zg  (Zwicky Transient Facility Lasair (Masci+ 2019))