Article (Scientific journals)
The Of?p stars of the Magellanic Clouds: Are they strongly magnetic?
Munoz, M.; Wade, G. A.; Nazé, Yaël et al.
2018In Contributions of the Astronomical Observatory Skalnaté Pleso, 48, p. 149-153
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Keywords :
stars: massive; stars: magnetic fields; stars: rotation; stars: chemically peculiar
Abstract :
[en] All known Galactic Of?p stars have been shown to host strong, organized, magnetic fields. Recently, five Of?p stars have been discovered in the Magellanic Clouds. They posses photometric (Nazé et al., 2015) and spectroscopic (Walborn et al., 2015) variability compatible with the Oblique Rotator Model (ORM). However, their magnetic fields have yet to be directly detected. We have developed an algorithm allowing for the synthesis of photometric observables based on the Analytic Dynamical Magnetosphere (ADM) model by Owocki et al. (2016). We apply our model to OGLE photometry in order to constrain their magnetic geometries and surface dipole strengths. We predict that the field strengths for some of theses candidate extra-Galactic magnetic stars may be within the detection limits of the FORS2 instrument
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Munoz, M.;  Queen's University, Kingston, Ontario, Canada ) AB(Royal Military College, Kingston, Ontario, Canada) AC(Université de Liège, 4000 Liège, Belgium) AD(Armagh Observatory, Armagh BT61 9DG, Northern Ireland, UK) AE(Universitätssternwarte, D-81679 München, Germany)
Wade, G. A.
Nazé, Yaël  ;  Université de Liège - ULiège > Groupe d'astrophysique des hautes énergies (GAPHE)
Bagnulo, S.
Puls, J.
Language :
English
Title :
The Of?p stars of the Magellanic Clouds: Are they strongly magnetic?
Publication date :
01 January 2018
Journal title :
Contributions of the Astronomical Observatory Skalnaté Pleso
ISSN :
1335-1842
eISSN :
1336-0337
Publisher :
Slovak Academy of Sciences. Astronomical Institute, Tatranská Lomnica, Slovakia
Volume :
48
Pages :
149-153
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 06 April 2018

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