The magnetosphere of the close accreting PMS binary V4046 Sgr AB

astro-ph.SR

/ Authors

S. G. Gregory, V. R. Holzwarth, J. -F. Donati, G. A. J. Hussain, T. Montmerle, E. Alecian, S. H. P. Alencar, C. Argiroffi, M. Audard, J. Bouvier

and 7 more authors

F. Damiani, M. Güdel, D. P. Huenemoerder, J. H. Kastner, A. Maggio, G. G. Sacco, G. A. Wade

/ Abstract

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.