[vsnet-newvar 7442] ASASSN-18hr = ZTF J185754.65+344624.7 = ZTF18aanwrti: ER UMa star?

[Taichi Kato]

ASASSN-18hr = ZTF J185754.65+344624.7 = ZTF18aanwrti: ER UMa star?

https://lasair.roe.ac.uk/object/ZTF18aanwrti/

ASAS-SN recent data:
https://asas-sn.osu.edu/light_curves/5b836089-faf8-4a0e-bd43-1564b47bbd9d

   Although ASAS-SN data are not conclusive due to
the magnitude limit, the ZTF light curve appears to be
compatible with an ER UMa star with a supercycle of 50 d.

IDs:
185754.656 +344624.66 (2000.0) Gaia_DR2_2092382932746880000 plx=0.553(0.123) dismod=11.3 pmra=-1.125(0.205) pmdec=-0.348(0.296) G=18.293 BP=18.091 RP=17.695
185754.6 +344624 (2000.0) ZTFJ185754.65+344624.7 susp g=17.924 r=17.744 amp=3.652 P=54.2969600 logfalse=-12.816