[vsnet-newvar 7743] BMAM-V789 = ZTFJ023358.13+413726.2

[Taichi Kato]

BMAM-V789 = ZTFJ023358.13+413726.2

   ZTF already recognized large-amplitude variation.

023358.1 +413726 (2000.0) ZTFJ023358.13+413726.2 r=19.793 (18.719-21.450) P=0.0183 

   The light curve looks like that of a polar.
(Strong orbital modulation in high state, not much in
low state).

Gaia:
023358.149 +413726.15 (2000.0) Gaia_DR2_338552824332319872 plx=1.159(0.380) dismod=9.7 pmra=0.355(0.569) pmdec=-9.386(0.512) G=18.486 BP=18.640 RP=17.970

   M_V = +8-9 at max, as faint as other polars.