DDE 35 bright

Hiraga-san has pointed out that DDE 35 has been bright for a long time. This object was classified as an SU UUMa star in 2020 March, but superhumps were detected on two nights only. The nature is still unclear.

YYYYMMDD(UT) mag observer 20210924.810 <168C (Mitsutaka Hiraga) 20211013.788 164C (Mitsutaka Hiraga) 20211014.756 162C (Mitsutaka Hiraga) 20211017.4744 17.279zr (Zwicky Transient Facility (Masci et al., 2019)) 20211017.4746 17.314zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211017.5133 17.213zg (Zwicky Transient Facility (Masci et al., 2019)) 20211017.5135 17.197zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211021.760 <170C (Mitsutaka Hiraga) 20211025.5161 16.856zr (Zwicky Transient Facility (Masci et al., 2019)) 20211025.5163 16.870zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211102.4792 19.440zr (Zwicky Transient Facility (Masci et al., 2019)) 20211104.4499 19.761zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211104.4499 19.832zg (Zwicky Transient Facility (Masci et al., 2019)) 20211104.4501 19.761zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211104.4673 19.365zr (Zwicky Transient Facility (Masci et al., 2019)) 20211104.4675 19.872zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211106.4564 20.066zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211106.769 <165C (Mitsutaka Hiraga) 20211110.5208 19.965zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211110.5210 19.965zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211112.4515 20.016zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211114.4319 19.941zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211114.5138 20.008zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211114.5139 20.008zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211120.3875 17.673zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211202.3444 16.398zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211202.3446 16.398zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20211202.4508 16.024zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220114.615 168C (Mitsutaka Hiraga) 20220115.567 170C (Mitsutaka Hiraga) 20220212.3845 16.247zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220219.3496 16.311zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220226.2188 16.445zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220227.769 158C (Mitsutaka Hiraga) 20220228.4084 15.787zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220228.4738 15.858zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220302.472 164C (Mitsutaka Hiraga) 20220303.2741 16.310zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220309.703 159C (Mitsutaka Hiraga) 20220315.737 164C (Mitsutaka Hiraga) 20220316.6877 <164C (Masayuki Moriyama)