[vsnet-alert 25639] Re: MASTER OT J143550.11+592134.8 bright outburst

Pavol A. Dubovsky var at kozmos.sk
Sat Apr 3 09:50:08 JST 2021


Indeed superoutburst. 3 humps visible on my data taken this night. 
Amplitude 0.16 mag, period 0.057d.
The data will be sent to VSNET soon.

---
Pavol A. Dubovsky
Vihorlat Observatory, Humenne, Slovakia
var.kozmos.sk

El 2021-04-02 13:25, Denis Denisenko d.v.denisenko at gmail.com via 
vsnet-alert escribió:
> This dwarf nova in Draco is currently in outburst, according to the
> real-time ZTF Lasair light curve and data (Masci et al., 2019):
> https://lasair.roe.ac.uk/object/ZTF18aaqlkdd/
> 
> MASTER OT J143550.11+592134.8
>   20210329.4356  <198r   ZTF  last non-detection
>   20210331.2623  14.95g  ZTF  Outburst!
>   20210402.4684  14.80r  ZTF
>   20210402.3198  14.48g  ZTF  Brightest
> 
> AAVSO VSX range: 15.2-<19.9 CR
> 
> The variable was originally discovered by MASTER in an outburst to 
> 15.2m on
> 2013-11-30.44 UT, see ATel #5618. There was a bright two-weeks long
> outburst in July 2018 in ZTF data peaking at 14.9m on 2018-07-07.226 
> UT,
> see http://scan.sai.msu.ru/~denis/J1435+5921-ZTF-DR4-LC.gif and
> http://scan.sai.msu.ru/~denis/J1435+5921-ZTF-LC-2018.gif
> 
> The current outburst is yet brighter - likely a superoutburst.
> Time-resolved photometry is encouraged.
> 
> Denis Denisenko



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