5 Nov
2022
5 Nov
'22
5:15 a.m.
PS1-3PIJ211449.81+444451.9 = IPHASJ211449.81+444451.9: IW And star with a single known deep dip
According to the ZTF data, this object (Fratta et al., arXiv:2211.01694) is usually a heartbeat-type IW And star with a single very deep (19.2 mag) in 2019 Oct. following an outburst.