[vsnet-alert 25890] ASASSN-21ir

[Naoto Kojiguchi]

ASASSN-21ir

    Large outburst amplitude of 7 mag. Possible WZ Sge-type object.

ASASSN-21ir  --- ------- 19:57:35.92 -1:4:42.8 2021-05-20.46 15.01 -------  CV candidate, matches to PS1 g=21.9, g>16.9 on 2021-05-15.37, g=14.9 on 2021-05-17.98, g=15.5 on 2021-05-20.46.

IDs:
195736.047 -010442.845 PS1_106702994002166147 g=21.8772(0.1699) r=21.9603(0.2448) i=21.6823(0.0705) z=21.4368(0.1790)

YYYYMMDD(UT)   mag  observer
20210515.373 <16.084g ASN
20210516.568 19.398cy (ATLAS)
20210517.984 14.725g ASN
20210518.077 14.739g ASN
20210518.553 14.959o (ATLAS)
20210520.460 15.435g ASN
20210520.561 15.362cy (ATLAS)