SIMBAD references

2012MNRAS.422..731S - Mon. Not. R. Astron. Soc., 422, 731-737 (2012/May-1)

Discovery of Hα satellite emission in a low state of the SW Sextantis star BB Doradus.

SCHMIDTOBREICK L., RODRIGUEZ-GIL P., LONG K.S., GANSICKE B.T., TAPPERT C. and TORRES M.A.P.

Abstract (from CDS):

BB Dor was observed during its low state in 2009. Signatures of both binary components are revealed in the average optical spectrum; no signature of accretion is observed. Narrow emission lines of Hα, He I and Na D, as well as TiO absorption troughs, trace the motion of the irradiated secondary star. We detect two additional components in the Hα emission line that share many characteristics of similar `satellite' lines observed in the low state of magnetic cataclysmic variables of AM Her type. It is the first time such emission components are detected for an SW Sex star.

Abstract Copyright: 2012 The Authors Monthly Notices of the Royal Astronomical Society2012 RAS

Journal keyword(s): accretion, accretion discs - magnetic fields - stars: activity - stars: individual: BB Dor - novae, cataclysmic variables - stars: winds, outflows

Simbad objects: 10

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