[vsnet-alert 24238] V503 Cyg superoutburst

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Wed Apr 29 12:06:09 JST 2020

V503 Cyg superoutburst

   I wished to comment on this a few days ago, but
forgot to mention.  This superoutburst was 140 d after
the previous one.  It is now known whether there
was a missed superoutburst in Feb. (no ASAS-SN data).
This object had a renowned short supercycle
and mass-transfer rate would have changed.

  YYYYMMDD(UT)   mag  observer
  20200418.7254 <154C  (Masayuki Moriyama)
  20200418.7987 <158c  (Yutaka Maeda)
  20200422.9993 <140  (Eddy Muyllaert)
  20200424.7731 135cG  (Yutaka Maeda)
  20200425.808   138  (Hiroyuki Maehara)
  20200426.0118  138  (Eddy Muyllaert)
  20200426.869   136  (Balazs Bago)
  20200427.8105 135cG  (Yutaka Maeda)
  20200428.847   138  (Balazs Bago)

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