Spectropolarimetry with the DAO 1.8-m telescope

Details Spectropolarimetry with the DAO 1.8-m telescope Spectropolarimetry with the DAO 1.8-m telescope

2011-10-07

arxiv.org/abs/1110.1415v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

"Magnetic Stars", Proceedings of the International Conference, Nizhny Arkhyz, 27 August - 1 September 2010

Scientific paper

The fast-switching DAO spectropolarimeter mounted on the 1.8-m Plaskett telescope started operation in 2007. Almost 14,000 medium-resolution (R=15,000) polarimetric spectra of 65 O - F type stars have been obtained since then in the course of three ongoing projects: the DAO Magnetic Field Survey, supporting observations for the CFHT MiMeS survey, and an investigation of the systematic differences between the observed longitudinal field measured with the Hbeta line and metallic lines. The projects are briefly described here. The current status as well as some results are presented.

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