stars: early-type; X-rays: stars; stars: individual: Tr16-22; stars: magnetic field
Abstract :
[en] Using an extensive X-ray dataset, we analyzed the X-ray emission of the massive O-star Tr16-22, which was recently found to be magnetic. Its bright X-ray emission is found to be modulated with a ~54 d period. This timescale should represent the rotational timescale of the star, as it does for other magnetic massive stars. In parallel, new spectropolarimetric data confirm the published magnetic detection. Based on observations collected with the ESA science mission XMM-Newton, Chandra, and ESO-FORS2 instrument.Tables 1-3 are available in electronic form at <A href="http://www.aanda.org/10.1051/0004-6361/201424416/olm">http://www.aanda.org</A>
Research center :
LiSRI - Liège Space Research Institute - ULiège
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Nazé, Yaël ; Université de Liège - ULiège > Groupe d'astrophysique des hautes énergies (GAPHE)
Wade, Gregg A.; Department of Physics, Royal Military College of Canada, PO Box 17000, Station Forces, Kingston, ON, K7K 4B4, Canada
Petit, Véronique; Department of Physics & Astronomy, University of Delaware, Bartol Research Institute, Newark, DE, 19716, USA ; Dept. of Physics & Space Sciences, Florida Institute of Technology, 32901, Melbourne, Austria)
Language :
English
Title :
Modulated X-ray emission of the magnetic O8.5V-star Tr16-22
