XI Bulgarian Serbian Astronomical Conference, May 14-18, 2018, - PowerPoint PPT Presentation

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XI Bulgarian Serbian Astronomical Conference, May 14-18, 2018, Belogradchik Components : Orbital period: P = 757.2 d (Fekel+ 2001) Eclipsing binary Photometric orbital variations: in quiescent state U 1.0 m B ~ 1.0 m , V

XI Bulgarian – Serbian Astronomical Conference, May 14-18, 2018, Belogradchik
Components : Orbital period: P = 757.2 d (Fekel+ 2001) Eclipsing binary Photometric orbital variations: in quiescent state  U ≥ 1.0 m  B ~ 1.0 m ,  V ~ 1.0 m (Skopal+ 2012) Active phases: many active phases on different time scales.
Since June 2009 satellite components indicating bipolar collimated outflow were observed. from Skopal, Tomov& Tomova (2013)
10.08.2016 24.08.2015 30.07.2015 18.07.2013 21.05.2013 log(Flux) + const. 02.01.2013 03.11.2012 07.05.2012 21.04.2011 22.12.2010 22.10.2010 28.08.2010 05.06.2009
Schematic model Schematic model of in the plane perpendicular the region around the to the orbital plane hot component during a recurrent strong outburst
COLLIMATED EJECTION from Skopal, Sekeras, Tomov+ (2014)
COLLIMATED EJECTION Julian date – 2 400 000 from Skopal+ (2017)
Date

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