[vsnet-alert 26117] MASTER OT J234843.23+250250.4 outburst

[Denis Denisenko d.v.denisenko@gmail.com via vsnet-alert]

This EI Psc-type object in Pegasus is in outburst, likely approaching
maximum brightness.

MASTER OT J234843.23+250250.4
  20210727.4582  <198g   ZTF last non-detection
  20210728.2643  <164g   ASAS-SN last non-detection
  20210729.2922  15.90g  ASAS-SN (Shappee et al., 2014; Kochanek et al.,
2017)
  20210729.2948  16.04g  ASAS-SN
  20210729.3819  16.13r  ZTF (Masci et al., 2019)
  20210729.4020  16.12r  ZTF
  20210729.4367  15.88g  ZTF
  20210730.2568  15.59g  ASAS-SN
  20210730.2594  15.86g  ASAS-SN

ZTF Lasair light curve and snapshots:
https://lasair.roe.ac.uk/object/ZTF18adibadz/

Previous outbursts: August-September 2020, October-November 2019, January
2019 etc. Orbital period is around 0.032 d. See also ATel 13277 (Isogai et
al., 2019), https://astronomerstelegram.org/?read=13277 for the spectral
classification.

Denis Denisenko