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pro vyhledávání: '"B. Zaire"'
Akademický článek
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Autor:
P. Fouqué, E. Martioli, J.-F. Donati, L. T. Lehmann, B. Zaire, S. Bellotti, E. Gaidos, J. Morin, C. Moutou, P. Petit, S. H. P. Alencar, L. Arnold, É. Artigau, T.-Q. Cang, A. Carmona, N. J. Cook, P. Cortés-Zuleta, P. I. Cristofari, X. Delfosse, R. Doyon, G. Hébrard, L. Malo, C. Reylé, C. Usher
Publikováno v:
Astronomy & Astrophysics. 672:A52
Context. The rotation period of stars is an important parameter together with mass, radius, and effective temperature. It is an essential parameter for any radial velocity monitoring, as stellar activity can mimic the presence of a planet at the stel
Publikováno v:
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 2022, 517, pp.3392-3406. ⟨10.1093/mnras/stac2769⟩
Monthly Notices of the Royal Astronomical Society, 2022, 517, pp.3392-3406. ⟨10.1093/mnras/stac2769⟩
Observations of surface magnetic fields of cool stars reveal a large diversity of configurations. Although there is now a consensus that these fields are generated through dynamo processes occurring within the convective zone, the physical mechanism
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e14c1576267e854f30b019432b1f0523
https://hal-insu.archives-ouvertes.fr/insu-03824254
https://hal-insu.archives-ouvertes.fr/insu-03824254
Autor:
C. Moutou, Pascal Fouqué, L. Lehmann, X. Delfosse, S. H. P. Alencar, B. Finociety, Jerome Bouvier, René Doyon, J.-F. Donati, B. Zaire, L. Yu, Baptiste Klein, Guillaume Hébrard, K. N. Grankin, Francois Menard, Étienne Artigau, Moira Jardine, Ágnes Kóspál
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, 508 (3), pp.3427-3445. ⟨10.1093/mnras/stab2778⟩
Monthly Notices of the Royal Astronomical Society, 2021, 508 (3), pp.3427-3445. ⟨10.1093/mnras/stab2778⟩
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2021, 508 (3), pp.3427-3445. ⟨10.1093/mnras/stab2778⟩
Monthly Notices of the Royal Astronomical Society, 2021, 508 (3), pp.3427-3445. ⟨10.1093/mnras/stab2778⟩
We report results of a spectropolarimetric and photometric monitoring of the weak-line T Tauri star V410 Tau based on data collected mostly with SPIRou, the near-infrared (NIR) spectropolarimeter recently installed at the Canada-France-Hawaii Telesco
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::acb4bd65774db442aecbbe653a738258
https://hal.archives-ouvertes.fr/hal-03433075
https://hal.archives-ouvertes.fr/hal-03433075
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.1969-1988. ⟨10.1093/mnras/stab1019⟩
Monthly Notices of the Royal Astronomical Society, 2021, 504 (2), pp.1969-1988. ⟨10.1093/mnras/stab1019⟩
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2021, 504 (2), pp.1969-1988. ⟨10.1093/mnras/stab1019⟩
Monthly Notices of the Royal Astronomical Society, 2021, 504 (2), pp.1969-1988. ⟨10.1093/mnras/stab1019⟩
We analyze spectropolarimetric data of the pre-cataclysmic variable binary system V471 Tau obtained with ESPaDOnS at the Canada-France-Hawaii Telescope in two observational campaigns (in Nov/Dec 2004 and Dec 2005). Using Zeeman-Doppler Imaging, we re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4517bb1b031c3f849f4e9a7c58d9e05f
http://arxiv.org/abs/2104.02619
http://arxiv.org/abs/2104.02619
Autor:
B. Zaire, Colin P. Folsom, X. Delfosse, E. Hébrard, Baptiste Klein, Jean-François Donati, Xavier Bonfils, Julien Morin
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, 500 (2), pp.1844-1850. ⟨10.1093/mnras/staa3396⟩
Monthly Notices of the Royal Astronomical Society, 2021, 500 (2), pp.1844-1850. ⟨10.1093/mnras/staa3396⟩
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2020, ⟨10.1093/mnras/staa3396⟩
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2021, 500 (2), pp.1844-1850. ⟨10.1093/mnras/staa3396⟩
Monthly Notices of the Royal Astronomical Society, 2021, 500 (2), pp.1844-1850. ⟨10.1093/mnras/staa3396⟩
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2020, ⟨10.1093/mnras/staa3396⟩
We report the detection of a large-scale magnetic field at the surface of the slowly-rotating fully-convective M dwarf Proxima Centauri. Ten circular polarization spectra, collected from April to July 2017 with the HARPS-Pol spectropolarimeter, exhib
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24773bb2f5d520c0ff1b0fea6d7143d4
https://hal.archives-ouvertes.fr/hal-02996801
https://hal.archives-ouvertes.fr/hal-02996801
Akademický článek
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Autor:
N. N. Mansour, E. M. de Gouveia Dal Pino, Piotr K. Smolarkiewicz, Alexander G. Kosovichev, Gustavo Guerrero, B. Zaire
Publikováno v:
Proceedings of the International Astronomical Union. 12:61-68
The role of tachoclines, the thin shear layers that separate solid body from differential rotation in the interior of late-type stars, in stellar dynamos is still controversial. In this work we discuss their relevance in view of recent results from g
Autor:
Alexander G. Kosovichev, E. M. de Gouveia Dal Pino, Piotr K. Smolarkiewicz, Nagi N. Mansour, B. Zaire, Gustavo Guerrero
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Two fundamental properties of stellar magnetic fields have been determined by observations for solar-like stars with different Rossby numbers (Ro), namely, the magnetic field strength and the magnetic cycle period. The field strength exhibits two reg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4c05ba18a8f491f72663bf96e6ca9a3c
http://arxiv.org/abs/1810.07978
http://arxiv.org/abs/1810.07978
Recent observations of the magnetic field in pre-main sequence stars suggest that the magnetic field topology changes as a function of age. The presence of a tachocline could be an important factor in the development of magnetic field with higher mul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::667440c1e4c0a2bb794a1b5afbf68f32