[vsnet-alert 23421] Re: USNO-B1.0 1111-0400009 increased brightness detected

[nikastro at ukr.net]

Hi, Sebastian

Forgot to add a light curve.


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24 июля 2019, 03:14:18, от "Sebastián Otero" <sebastian at aavso.org>:

> 
> ASAS-SN light curve:
> 
> https://asas-sn.osu.edu/light_curves/6f7eabab-d8b5-4c5a-9910-65c921134fd6
> 
> Nothing conclusive. Blended magnitude as expected and no clear outburst. 
> 
> Cheers,
> Sebastian
> 
> 
> > 
> > The  coordinates 19 26 44.45472 +21 08 34.0512 recorded an increase in
> > the brightness of the star by more than 2 magnitudes in the filter V.
> > Possible progenitor USNO-B1.0 1111-0400009.
> > 
> > 
> >          OBJECT        |       DATE(UT)     |   MAG
> > ----------------------------------------------------------
> > USNO-B1.0 1111-0400009 | 2458676.5083564813 | 16.2(V)
> > USNO-B1.0 1111-0400009 | 2458688.4351967592 | 13.5(V)
> > 
> > 
> > Observatory: Ananjev (L33)
> > Observer   : N. Mishevskiy (MNIC)
> > Instrument : 0.25-m f/4.7 reflector + CCD
> > 
> > 
> 
> -- 
> Sebastian Otero
> VSX Team
> American Association of Variable Star Observers