The effects of surface fossil magnetic fields on massive star evolution: IV. Grids of models at Solar, LMC, and SMC metallicities

Autor: Z Keszthelyi, A de Koter, Y Götberg, G Meynet, S A Brands, V Petit, M Carrington, A David-Uraz, S T Geen, C Georgy, R Hirschi, J Puls, K J Ramalatswa, M E Shultz, A ud-Doula

Publikováno v: Monthly Notices of the Royal Astronomical Society, 517(2), 2028-2055. Oxford University Press

Magnetic fields can drastically change predictions of evolutionary models of massive stars via mass-loss quenching, magnetic braking, and efficient angular momentum transport, which we aim to quantify in this work. We use the MESA software instrument

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41ed4858dd8b05fdbe9150cbe77feb7d
https://lirias.kuleuven.be/handle/20.500.12942/706503

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Ultraviolet Spectropolarimetry With Polstar: Using Polstar to test Magnetospheric Mass-loss Quenching

Autor: M. E. Shultz, R. Casini, M. C. M. Cheung, A. David-Uraz, T. del Pino Alemán, C. Erba, C. P. Folsom, K. Gayley, R. Ignace, Z. Keszthelyi, O. Kochukhov, Y. Nazé, C. Neiner, M. Oksala, V. Petit, P. A. Scowen, N. Sudnik, A. ud-Doula, J. S. Vink, G. A. Wade

Polstar is a proposed NASA MIDEX space telescope that will provide high-resolution, simultaneous full-Stokes spectropolarimetry in the far ultraviolet, together with low-resolution linear polarimetry in the near ultraviolet. This observatory offers u

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d0609b7b561c3bdda48714c660277ee

The effects of surface fossil magnetic fields on massive star evolution: I. Magnetic field evolution, mass-loss quenching, and magnetic braking

Autor: Véronique Petit, Alexandre David-Uraz, Z. Keszthelyi, Gregg A. Wade, Georges Meynet, Cyril Georgy

Publikováno v: Monthly Notices of the Royal Astronomical Society. 485:5843-5860

Surface magnetic fields have a strong impact on stellar mass loss and rotation and, as a consequence, on the evolution of massive stars. In this work we study the influence of an evolving dipolar surface fossil magnetic field with an initial field st

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19be65e1821fb45cbdb09428c7c7f6b2
https://doi.org/10.1093/mnras/stz772

The effects of surface fossil magnetic fields on massive star evolution: III. The case of $\tau$ Sco

Autor: Fabrice Martins, Z. Keszthelyi, A. David-Uraz, Georges Meynet, A. de Koter

Publikováno v: Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2021, 504 (2), pp.2474-2492. ⟨10.1093/mnras/stab893⟩
Monthly Notices of the Royal Astronomical Society, 504(2), 2474-2492. Oxford University Press

$\tau$ Sco, a well-studied magnetic B-type star in the Upper Sco association, has a number of surprising characteristics. It rotates very slowly and shows nitrogen excess. Its surface magnetic field is much more complex than a purely dipolar configur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81409b2014b373b1528920314bc3ed9a
https://hal.archives-ouvertes.fr/hal-03260798