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The magnetosphere of the close accreting PMS binary V4046 Sgr AB
Gregory, S. G.; Holzwarth, V. R.; Donati, J.-F.; Hussain, G. A. J.; Montmerle, T.; Alecian, E.; Alencar, S. H. P.; Argiroffi, C.; Audard, M.; Bouvier, J.; Damiani, F.; Güdel, M.; Huenemoerder, D. P.; Kastner, J. H.; Maggio, A.; Sacco, G. G.; Wade, G. A.
AA(School of Physics & Astronomy, University of St Andrews, St Andrews, KY16 9SS, U.K. ), AB(Freytagstr. 7, D-79114 Freiburg i.Br., Germany), AC(Inst. de Recherche en Astrophysique et Planétologie UMR 5277, Toulouse, F31400 France), AD(ESO, Karl-Schwarzschild-Str. 2, D-85748 Garching, Germany), AE(Institut d'Astrophysique de Paris, 98bis bd Arago, FR-75014 Paris, France), AF(Obs. de Paris, LESIA, 5, place Jules Janssen, F-92195 Meudon Principal Cedex, France), AG(Dept. de Fìsica - UFMG, Av. Antônio Carlos, 6627, 30270-901 Belo Horizonte, MG, Brazil), AH(INAF-Osservatorio Astronomico di Palermo, Piazza del Parlamento 1, I-90134 Palermo, Italy), AI(ISDC Data Center for Astrophysics, Univ. of Geneva, CH-1290 Versoix, Switzerland), AJ(UJF-Grenoble 1/CNRS-INSU, IPAG, UMR 5274, F-38041, Grenoble, France), AK(INAF-Osservatorio Astronomico di Palermo, Piazza del Parlamento 1, I-90134 Palermo, Italy), AL(Dept. of Astrophysics, University of Vienna, Türkenschanzstrasse 17, A-1180 Vienna, Austria), AM(MIT, Kavli Inst. for Astrophysics & Space Research, Cambridge, MA 02139, U.S.A.), AN(CIS, Rochester Inst. of Technology, 54 Lomb Memorial Drive, Rochester, NY 14623, U.S.A.), AO(INAF-Osservatorio Astronomico di Palermo, Piazza del Parlamento 1, I-90134 Palermo, Italy), AP(INAF-Arcetri Astrophysical Observatory, Largo Enrico Fermi 5, I - 50125 Florence, Italy), AQ(Dept. of Physics, Royal Military College of Canada, Kingston, K7K 7B4, Canada)
Magnetic Fields throughout Stellar Evolution, Proceedings of the International Astronomical Union, IAU Symposium, Volume 302, pp. 44-45
Publication Date:
stars: formation, stars: interiors, stars: magnetic field, stars: pre-main sequence,
Abstract Copyright:
(c) 2014: Copyright © International Astronomical Union 2014
Bibliographic Code:


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.
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