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The magnetic field of the B3V star 16 Pegasi
Stockholm University, Faculty of Science, Department of Astronomy. (Institute for Solar Physics)
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2009 (English)In: Cosmic Magnetic Fields: From Planets, to Stars and Galaxies, 2009, Vol. 259, 393-394 p.Conference paper (Refereed)
Abstract [en]

The slowly pulsating B3V star 16 Pegasi was discovered by Hubrig et al. (2006) to be magnetic, based on low-resolution spectropolarimetric observations with FORS1 at the VLT. We have confirmed the presence of a magnetic field with new measurements with the spectropolarimeters Narval at TBL, France and Espadons at CFHT, Hawaii during 2007. The most likely period is about 1.44 d for the modulation of the field, but this could not be firmly established with the available data set. No variability has been found in the UV stellar wind lines. Although the star was reported once to show Hα in emission, there exists at present no confirmation that the star is a Be star.

Place, publisher, year, edition, pages
2009. Vol. 259, 393-394 p.
, Proc. IAU, 259
Keyword [en]
Stars: magnetic fields, techniques: polarimetric, stars: atmospheres, stars: 16 Peg, stars: early-type, stars: winds, stars: rotation, stars: pulsations
URN: urn:nbn:se:su:diva-35880OAI: diva2:288437
Available from: 2010-01-21 Created: 2010-01-20 Last updated: 2011-02-15Bibliographically approved

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