IPHAS J223531.80+523551.2: IW And star From ZTF data. 223531.7 +523551 (2000.0) PS1RRJ223531.79+523551.2 RR g=15.32(0.78) P=0.49533 0.07/0.08 223531.8 +523551 (2000.0) ATOJ338.8825+52.5975 dubious c=16.484 o=16.263 P(LS)=756.764648 rms=0.20 223531.8 +523551 (2000.0) ZTFJ223531.79+523551.2 susp g=16.539 r=16.373 amp=0.292 P=1.0022500 logfalse=-5.385 223531.8 +523551 (2000.0) ZTFJ223531.80+523551.3 g=16.542 (16.204-16.899) P=253.6511 223531.8 +523551 (2000.0) IPHAS_J223531.80+523551.2 em R=16.777 R-I=0.403 R-Ha=0.442 MNRAS384,1277 223531.801 +523551.19 (2000.0) Gaia_DR2_2002204734254436224 plx=0.716(0.083) dismod=10.7 pmra=-1.317(0.134) pmdec=0.775(0.131) G=16.245 BP=16.403 RP=15.855 223531.801 +523551.19 (2000.0) Gaia_EDR3_2002204734254436224 plx=0.448(0.087) dismod=11.7 pmra=-1.393(0.092) pmdec=0.204(0.076) G=16.321 BP=16.471 RP=15.900