[vsnet-alert 25418] IY UMa outburst (since Feb. 18)

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

 IY Ursae Majoris (UGSU+E)
Orbital period: 0.07390897 d (106.42892 min)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=37346
 
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/6085705f-fe7e-4f75-8898-fd890eda3ece
UMAIY 20210216.375 16.82g ASN
UMAIY 20210218.533 14.04g ASN
 
Zwicky Transient Facility (ZTF) light curve and data:
https://lasair.roe.ac.uk/object/ZTF18aaadhmx/
UMAIY 20210217.342 16.70zg ZTF
UMAIY 20210219.300 14.18zr ZTF
 
A superoutburst was observed from 2020 March 16 to at least 31.
A (likely) normal outburst was recorded 2020 October 8-10.
 
Clear skies,
Patrick
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     Am Mittwoch, 18. März 2020, 03:40:56 MEZ hat Taichi Kato <tkato at kusastro.kyoto-u.ac.jp> Folgendes geschrieben:  
 
 IY UMa outburst

  Eclipsing SU UMa star.  The last superoutburst was
in 2019 May.

  YYYYMMDD(UT)  mag  observer
  20200305.689  <147  (Hiroyuki Maehara)
  20200306.8549 <136  (Eddy Muyllaert)
  20200307.2408 17.785zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20200307.3636 17.579zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20200312.8965 <143  (Eddy Muyllaert)
  20200315.9632 <143  (Eddy Muyllaert)
  20200315.978  <147  (Gary Poyner)
  20200316.7023 135cG  (Yutaka Maeda)