Reference : The Of?p Stars of the Magellanic Clouds: Are They Strongly Magnetic?
Scientific congresses and symposiums : Paper published in a book
Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
The Of?p Stars of the Magellanic Clouds: Are They Strongly Magnetic?
Munoz, Melissa [Queen's University, 99 University Ave, Kingston, Ontario, Canada,]
Wade, Gregg A. [Royal Military College of Canada, 13 General Crerar Crescent, Kingston, Ontario, Canada]
Nazé, Yaël mailto [Université de Liège - ULiège > > Groupe d'astrophysique des hautes énergies (GAPHE) >]
Bagnulo, Stefano [Armagh Observatory, College Hill, Armagh BT61 9DG, Northern Ireland, United Kingdom]
Puls, Joachim [Universitätssternwarte, Scheinerstr. 1, D-81679 München, Germany)]
Smolec, Radosław [> >]
proceedings of 3rd BRITE Science Conference
3rd BRITE Science Conference
7-10 August, 2017
Lac Taureau
[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 (Naze et al.) and spectroscopic (Walborn et al) 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 of Owocki et al.. 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 these candidate extra-Galactic magnetic stars may be within the detection limits of the FORS2 instrument.
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