[vsnet-alert 25360] Re: MGAB-V500 outburst (mag. 17, since Feb. 7)

[Taichi Kato]

Re: MGAB-V500 outburst (mag. 17, since Feb. 7)

> MGAB-V500  (UGSU:)
> https://www.aavso.org/vsx/index.php?view=detail.top&oid=1498648
> 
> Zwicky Transient Facility (ZTF) light curve and data:
> https://lasair.roe.ac.uk/object/ZTF17aaaenof/

   Looking at the ZTF DR4 light curve, I feel that
this object is more likely an AM CVn star
(dips during superoutbursts).  Supercycle about 40 d.
Duty cycle about 0.4 and is comparable to ER UMa stars
(just like CR Boo among AM CVn stars).
Currently in superoutburst.