The magnetosphere of the close accreting PMS binary V4046 Sgr AB

S. G. Gregory , V. R. Holzwarth , J. -F. Donati (1) , G. A. J. Hussain , T. Montmerle (2) , E. Alecian (3) , S. H. P. Alencar , C. Argiroffi , M. Audard , J. Bouvier (4) , F. Damiani , M. Güdel , D. P. Huenemoerder , J. H. Kastner , A. Maggio , G. G. Sacco , G. A. Wade

1 IRAP - Institut de recherche en astrophysique et planétologie
2 IAP - Institut d'Astrophysique de Paris
3 LESIA (UMR_8109) - Laboratoire d'études spatiales et d'instrumentation en astrophysique
4 IPAG - Institut de Planétologie et d'Astrophysique de Grenoble

We present a preliminary 3D potential field extrapolation model of the joint magnetosphere of the close accreting PMS binary V4046 Sgr. The model is derived from magnetic maps obtained as part of a coordinated optical and X-ray observing program.

Mots clés: stars: formation; stars: interiors; stars: magnetic field; stars: pre-main sequence; Astrophysics - Solar and Stellar Astrophysics

Domaines: Planète et Univers [physics]

S. G. Gregory, V. R. Holzwarth, J. -F. Donati, G. A. J. Hussain, T. Montmerle, et al.. The magnetosphere of the close accreting PMS binary V4046 Sgr AB. Magnetic Fields throughout Stellar Evolution, Proceedings of the International Astronomical Union, IAU Symposium, 2014, à renseigner, Unknown Region. pp.44-45, ⟨10.1017/S1743921314001689⟩. ⟨insu-03645342⟩