[vsnet-alert 24734] MASTER OT J182201.93+324906.7 outburst

Mon Sep 28 19:00:00 JST 2020

This dwarf nova in Lyra is in outburst according to the recent ZTF
data (Masci et al., 2019).

MASTER OT J182201.93+324906.7
  20200926.2031  <189g   ZTF  Last non-detection
  20200927.1634  16.69r  ZTF  Outburst
  20200927.1969  15.64g  ZTF
  20200928.2046  16.68r  ZTF
  20200928.2244  15.74g  ZTF

ZTF Lasair light curve: https://lasair.roe.ac.uk/object/ZTF18aakyyzy/

Previous superoutburst was observed by ZTF in July-August 2019 (peak
mag 15.9r on July 27, fading to 17.5r by Aug. 12).

Pan-STARRS DR1 position (Chambers et al., 2016): 18 22 01.96 +32 49 08.2
Quiescent PS1 magnitudes: g=21.86, r=21.63, i=21.32

Superhump period estimated by Gianluca Masi from a 4-hours run in May
2012: 1.48(7) hr, see [vsnet-alert 14529].

Denis Denisenko