[vsnet-alert 23321] Gaia19cnh: large amplitude dwarf nova in Camelopardalis

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

Gaia has detected a dwarf nova in Camelopardalis with 8-mag outburst amplitude:

Gaia19cnh = AT 2019hyn
  20190531.5900  <215G   Gaia last non-detection
  20190620.5242  13.61G  Gaia alerts
  20190620.5982  13.64G  Gaia
  20190620.7743  13.72G  Gaia
  20190620.8483  13.74G  Gaia

http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia19cnh/
https://wis-tns.weizmann.ac.il/object/2019hyn

Gaia position: 07 24 30.37 +73 10 55.5

Blue object in Pan-STARRS 1 Survey:
PSO J072430.338+731055.677 (g=21.48+/-0.05 r=21.58+/-0.09)

Outburst on 1995-02-07 POSS-II infrared plate (Nmag=16.35 in GSC 2.3.2).
Color-combined DSS finder chart (10'x10' FOV):
http://scan.sai.msu.ru/~denis/Gaia19cnh-BRIR.jpg

Very unfortunate outburst timing this year (close to the Sun, white
nights above 55N latitude, astronomical twilight above 49N, low
elevation elsewhere). Field was not observed by ASAS-SN since May 24.

Denis Denisenko