[vsnet-chat 8398] ASASSN-VJ054223.15+173521.2: Z Cam or IW And star?

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Fri Nov 29 10:37:10 JST 2019


ASASSN-VJ054223.15+173521.2: Z Cam or IW And star?

ZTF Lasair data:
https://lasair.roe.ac.uk/object/ZTF17aadoifc/
M_V = +5, blue  The 2019 behavior looks like an IW And star. 

IDs:
2MASS 054223.146 +173521.21 (2000.0) 14.756 14.325 14.257 
054223.1 +173520 (2000.0) ATOJ085.5964+17.5891 IRR c=16.020 o=15.830 P(LS)=0.990862 rms=0.31 
054223.1 +173521 (2000.0) PS1RRJ054223.15+173521.2 RR g=14.45(1.04) P=0.53858 0.26/0.01 
054223.1 +173520 (2000.0) ASASSN-VJ054223.15+173521.2 VAR 15.99(1.27) P=567.1757131 
054223.1 +173521 (2000.0) ASASSN-VJ054223.15+173521.2 VAR 15.4-<17.0V P=- 
054223.138 +173521.06 (2000.0) Gaia_DR2_3396783565896130304 plx=0.851(0.075) dismod=10.4 pmra=1.897(0.106) pmdec=-2.846(0.083) G=15.922 BP=16.169 RP=15.425



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