[vsnet-alert 25277] ASASSN-17bi possible superoutburst in 2021 Jan.

[Taichi Kato]

ASASSN-17bi possible superoutburst in 2021 Jan.

  I have overlooked this long outburst.  ZTF data suggest
both long and short outbursts and the type is likely UGSU.

  YYYYMMDD(UT)   mag  observer
  20210101.3736 <15.913g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210101.3749 <15.975g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210103.3271 <17.170g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210103.3283 <17.127g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210103.3296 <17.096g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210105.3280 16.784g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210105.3292 17.107g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210105.3305 16.718g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210106.1968 16.700zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210106.2213 16.348zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210106.2373 16.430zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210106.2667 <15.113g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210106.2679 <15.103g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210107.2913 16.828g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210107.2925 17.117g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210107.2938 16.708g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210107.3408 16.825g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210107.3421 16.865g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210107.3433 16.798g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210108.1555 16.852zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210110.1966 17.117zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210112.2200 17.428zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210112.2215 17.341zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210112.2324 <17.406g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210112.2336 <17.532g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210112.2349 <17.421g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210112.2453 16.794zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210112.2576 16.851zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210114.1389 17.057zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210114.1398 17.098zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210114.1780 17.583zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210114.1790 17.624zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210115.2222 <17.475g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210115.2234 <17.423g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210115.2247 <17.606g  (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))
  20210116.1357 17.578zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210116.1366 17.597zr  (Zwicky Transient Facility Lasair (Masci+ 2019))