The Dominion Astrophysical Observatory Magnetic Field Survey (DMFS)

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Journal titleProceedings of the International Astronomical Union
Pages288289; # of pages: 2
AbstractIn this paper we present a few results from the first three years of an ongoing survey of globally-ordered magnetic fields in relatively faint (down to V ≈ 9) upper main sequence peculiar stars that we are conducting on the Dominion Astrophysical Observatory (DAO) Plaskett telescope. The DMFS uses the inexpensive DAO polarimeter module, dimaPol, mounted at the Cassegrain focus of the 1.8 m telescope to detect new magnetic stars and determine rotation periods and longitudinal magnetic field curves using medium-resolution (R ≈ 10,000) circular spectropolarimetry of both the Hβ line and metal lines in an approximately 280 Å wide wavelength region centered on Hβ. By concentrating on the mid-B to A-type peculiar stars, the DMFS provides an extension to the 'Magnetism in Massive Stars' (MIMES) Large Program which concentrated on similar field detections in more massive stars.
Publication date
PublisherCambridge University Press
AffiliationNational Research Council Canada; National Science Infrastructure
Peer reviewedYes
NPARC number21272757
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Record identifier0eb42ac1-b899-4432-8bb6-24616dd131f4
Record created2014-12-03
Record modified2016-05-09
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