TCP J19092450+3041330 = ZTF21abvytzx
Large outburst amplitude of 7 mag. Possible WZ Sge-type object.
TCP J19092450+3041330 2021 08 29.6223* 19 09 24.50 +30 41 33.0 14.4 U Lyr 9 0
ZTF: ZTF21abvytzx 19:09:24.698 30:41:30.508
ASASSN: https://asas-sn.osu.edu/sky-patrol/coordinate/e17c057d-09dc-40f2-9a88-13c554...
IDs: 190924.695 +304130.404 g=21.7602(0.0542) r=21.2643(0.1928) i=21.7743(0.0586) z=20.7550(0.1853)
YYYYMMDD(UT) mag observer 20210826.170 <15.825g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20210828.212 16.851zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210828.280 16.701zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210829.240 14.532g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20210829.303 14.777cy (ATLAS Forced Photometry (Tonry et al. 2018, PASP 130, 0))