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A high-resolution spectropolarimetric survey of Herbig Ae/Be stars - I. Observations and measurements
E. Alecian, G. A. Wade, C. Catala +7
This is the first in a series of papers in which we describe and report the analysis of a large survey of Herbig Ae/Be stars in circular spectropolarimetry. Using the ESPaDOnS and…
Discovery of a magnetic field in the early B-type star sigma Lupi
H. F. Henrichs, K. Kolenberg, B. Plaggenborg +7
Magnetic early B-type stars are rare. To identify them, we use the strongest indirect indicator of a magnetic field in B stars, which is periodic variability of UV stellar wind lin…
Chemical abundances of magnetic and non-magnetic Herbig Ae/Be stars
C. P. Folsom, S. Bagnulo, G. A. Wade +4
The photospheres of about 10-20% of main sequence A- and B-type stars exhibit a wide range of chemical peculiarities, often associated with the presence of a magnetic field. It is…