[vsnet-alert 24607] ASASSN-19fy superoutburst: second rebrightening (Aug. 28)

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

 ASASSN-19fy (UGSU)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=686751
 
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/light_curves/3a3f6065-dca6-47f5-b97f-a6344aa127f3
 
ZTF light curve:
https://lasair.roe.ac.uk/object/ZTF18aarwyww/
 
Multiple rebrightenings are relatively unusual for long-period
SU UMa-type dwarf novae.
 
Further time-resolved photometry is encouraged.
 
Clear skies,
Patrick
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     Am Montag, 24. August 2020, 10:03:20 MESZ hat Taichi Kato <tkato at kusastro.kyoto-u.ac.jp> Folgendes geschrieben:  
 
 ASASSN-19fy rebrightening on Aug. 20

  Started fading on Aug. 15 and brightened on Aug. 19
to 20 (Crimean Astrophys. Obs. team, Itoh-san).

  YYYYMMDD(UT)  mag  observer
  20200810.2480 14.201zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20200811.598  14.01C  (Hiroshi Itoh)
  20200812.540  141c  (Mitsutaka Hiraga)
  20200812.651  14.10C  (Hiroshi Itoh)
  20200813.580  14.20C  (Hiroshi Itoh)
  20200813.6157 <141c  (Yutaka Maeda)
  20200813.6390 146C  (Masayuki Moriyama)
  20200813.663  140c  (Mitsutaka Hiraga)
  20200814.525  142c  (Mitsutaka Hiraga)
  20200814.596  14.46C  (Hiroshi Itoh)
  20200814.7886 145C  (Masayuki Moriyama)
  20200815.560  14.71C  (Hiroshi Itoh)
  20200815.5626 <167c  (Yutaka Maeda)
  20200819.2212 17.925zg  (Zwicky Transient Facility Lasair (Masci+ 2019))