AG Pegasi – now a classical symbiotic star in outburst?

AG Pegasi – now a classical symbiotic star in outburst?

Optical spectroscopy study of the recent AG Pegasi (AG Peg) outburst observed during the second half of 2015 is presented. Considerable variations of the intensity and the shape of the spectral features as well as the changes of the hot component parameters, caused by the outburst, are discussed and...

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Veröffentlicht in:Monthly notices of the Royal Astronomical Society 2016-11, Vol.462 (4), p.4435-4441
Hauptverfasser: Tomov, T. V., Stoyanov, K. A., Zamanov, R. K.
Format: Artikel
Sprache:eng
Schlagworte:
Analogies
Astronomical bodies
Astronomy
Nova
Outbursts
Parameters
Spectra
Spectroscopic analysis
Spectrum analysis
Stars & galaxies
Symbiotic stars
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Beschreibung
Zusammenfassung:Optical spectroscopy study of the recent AG Pegasi (AG Peg) outburst observed during the second half of 2015 is presented. Considerable variations of the intensity and the shape of the spectral features as well as the changes of the hot component parameters, caused by the outburst, are discussed and certain similarities between the outburst of AG Peg and the outburst of a classical symbiotic stars are shown. It seems that after the end of the symbiotic nova phase, AG Peg became a member of the classical symbiotic stars group.
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/stw2012