[vsnet-newvar 7775] ASASSN-20pb

[Taichi Kato]

ASASSN-20pb

   Low-amplitude dwarf nova (then M_V a bit too bright)?

ASASSN-20pb 	--- 	------- 	6:41:39.15 	52:53:37.2 	2020-12-2.34 	13.91 	SDSS 	DSS 	VIZIER 	------- 	CV candidate, matches to PS1 g=15.8, g>16.8 on 2020-12-01.33, g=14.2 on 2020-12-02.34, g=14.5 on 2020-12-03.40.

Assumed ID:
2MASS 064138.724 +525335.69 (2000.0) 14.407 14.177 14.064 
064138.724 +525335.59 (2000.0) Gaia_DR2_992673461591398656 plx=0.494(0.039) dismod=11.5 pmra=-1.220(0.065) pmdec=0.634(0.069) G=15.442 BP=15.750 RP=14.967
064138.804 +525335.80 (2000.0) GALEX_DR5_6373554684322382558 NUV=20.017(0.102) FUV=-(-)

ASAS-SN data:
https://asas-sn.osu.edu/light_curves/0ff74cf7-a420-4c63-836d-320e1c90f2bd

   There would be a possibility of an outburst from
a close companion star (imaging and astrometry are required).

   Outburst other than a dwarf nova cannot be excluded.