[vsnet-alert 26082] CH Her long outburst

[Taichi Kato]

CH Her long outburst

  Outburst pattern somewhat resembles that of an SU UMa star
(ZTF data).  Amplitude too small and too red for an SU UMa star?
May be an SU UMa star above the period gap.

  YYYYMMDD(UT)   mag  observer
  20210706.3408 19.508zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210708.3193 19.375zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210708.3195 19.375zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210708.3629 19.651zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210712.2980 14.835zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210714.2977 14.989zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210714.2979 14.989zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210714.3329 14.678zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210714.3330 14.678zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210716.2692 15.181zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210716.3172 14.914zg  (Zwicky Transient Facility Lasair (Masci+ 2019))

183446.344 +244802.75 (2000.0) Gaia_DR2_4536072058327727360 plx=1.252(0.430) dismod=9.5 pmra=0.933(0.422) pmdec=12.868(0.663) G=19.078 BP=19.202 RP=18.525
183446.344 +244802.75 (2000.0) Gaia_EDR3_4536072058335240576 plx=1.284(0.128) dismod=9.5 pmra=0.391(0.121) pmdec=12.077(0.116) G=18.853 BP=18.986 RP=18.350
183446.384 +244802.72 (2000.0) GALEX_DR5_6375173079541219879 NUV=19.609(0.082) FUV=19.863(0.212)