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Recent studies of magnetic fields in Herbig Ae/Be stars

By S. Hubrig, M. Schöller, I. Ilyin, B. Wolff, C.R. Cowley, M.A. Pogodin, R.V. Yudin, B. Stelzer and Z. Mikulášek

Abstract

New determinations of the mean longitudinal magnetic field for several Herbig Ae/Be stars are presented. The longitudinal magnetic field measurements of MWC 480 reveal the presence of a strong kG field, which was undetected in our previous low‐resolution polarimetric observations with FORS 1. The magnetic field geometries of Herbig Ae/Be stars studied with spectropolarimetric time series can likely be described by centred dipoles with polar magnetic field strengths of several hundred Gauss. A number of Herbig Ae/Be stars with detected magnetic fields were recently observed with X‐shooter in the visible and near‐IR as well as with the high‐resolution near‐IR spectrograph CRIRES. These observations are of great importance to understand the relation between the magnetic field topology and the physics of accretion flow and accretion disk gas emission (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim

Publisher: WILEY‐VCH Verlag
Year: 2011
DOI identifier: 10.1002/asna.201111607
OAI identifier: oai:deepblue.lib.umich.edu:2027.42/89448
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