[vsnet-newvar 7990] ASASSN-19yu: likely WZ Sge star

[Taichi Kato]

ASASSN-19yu: likely WZ Sge star

   ZTF data indicate a superoutburst followed by
a dip and long rebrightening.  Most likely
a WZ Sge star.

  YYYYMMDD(UT)   mag  observer
  20191029.0977 17.862zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20191101.1103 20.088zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20191101.1859 19.999zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20191103.1323 18.304zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20191104.0855 18.232zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20191104.0864 18.255zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20191104.1424 18.490zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20191104.1515 18.446zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  ...