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Do Nascimento, J.-D., Jr.; Vidotto, A.A.; Petit, P.; Folsom, C.; De Mello, G.F.P.; Meibom, S.; Abrevaya, X.C.; Ribas, I.; Castro, M.; Marsden, S.C.; Morin, J.; Jeffers, S.V.; Guinan, E. "The solar proxy κ1 Cet and the planetary habitability around the young Sun" (2016) Proceedings of the International Astronomical Union. 12:338-349
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Abstract:

Among the solar proxies, κ1 Cet, stands out as potentially having a mass very close to solar and a young age. We report magnetic field measurements and planetary habitability consequences around this star, a proxy of the young Sun when life arose on Earth. Magnetic strength was determined from spectropolarimetric observations and we reconstruct the large-scale surface magnetic field to derive the magnetic environment, stellar winds, and particle flux permeating the interplanetary medium around κ1 Cet. Our results show a closer magnetosphere and mass-loss rate 50 times larger than the current solar wind mass-loss rate when Life arose on Earth, resulting in a larger interaction via space weather disturbances between the stellar wind and a hypothetical young-Earth analogue, potentially affecting the habitability. Interaction of the wind from the young Sun with the planetary ancient magnetic field may have affected the young Earth and its life conditions. Copyright © 2017 International Astronomical Union.

Registro:

Documento: Artículo
Título:The solar proxy κ1 Cet and the planetary habitability around the young Sun
Autor:Do Nascimento, J.-D., Jr.; Vidotto, A.A.; Petit, P.; Folsom, C.; De Mello, G.F.P.; Meibom, S.; Abrevaya, X.C.; Ribas, I.; Castro, M.; Marsden, S.C.; Morin, J.; Jeffers, S.V.; Guinan, E.
Filiación:Univ. Federal Do Rio G. Do Norte, UFRN, Dep. de Fisica, CP 1641, Natal, RN, 59072-970, Brazil
Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, United States
Observatoire de Genève, 51 ch. des Maillettes, Genève, CH-1290, Switzerland
School of Physics, Trinity College Dublin, Dublin 2, Ireland
Univ. de Toulouse, UPS-OMP, IRAP, CNRS, 14 Av. E. Belin, Toulouse, F-31400, France
Univ. Grenoble Alpes, IPAG, Grenoble, F-38000, France
Observ. Do Valongo, UFRJ, L do Pedro Antoio, 4320080-090, RJ, Brazil
Inst. de Astronom y Fica Del Espacio (IAFE), UBA CONICET, Buenos Aires, Argentina
Inst. de Ciències de l'Espai, Campus UAB, C. de Can Magrans s/n, Bellaterra, 08193, Spain
CESCR, Univ. of Southern Queensland, Toowoomba, 4350, Australia
LUPM-UMR5299, U. Montpellier, Montpellier, F-34095, France
I. für Astrophysik, G.-August-Univ., Goettingen, D-37077, Germany
Univ. of Villanova, Astron. Department, Pennsylvania, PA 19085, United States
Palabras clave:habitability; HD 20630; Kappa 1 Ceti; magnetic field; outflows; solar analog; winds
Año:2016
Volumen:12
Página de inicio:338
Página de fin:349
DOI: http://dx.doi.org/10.1017/S1743921317004276
Título revista:Proceedings of the International Astronomical Union
Título revista abreviado:Proc. Int. Astron. Union
ISSN:17439213
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_17439213_v12_n_p338_DoNascimento

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Citas:

---------- APA ----------
Do Nascimento, J.-D., Jr., Vidotto, A.A., Petit, P., Folsom, C., De Mello, G.F.P., Meibom, S., Abrevaya, X.C.,..., Guinan, E. (2016) . The solar proxy κ1 Cet and the planetary habitability around the young Sun. Proceedings of the International Astronomical Union, 12, 338-349.
http://dx.doi.org/10.1017/S1743921317004276
---------- CHICAGO ----------
Do Nascimento, J.-D., Jr., Vidotto, A.A., Petit, P., Folsom, C., De Mello, G.F.P., Meibom, S., et al. "The solar proxy κ1 Cet and the planetary habitability around the young Sun" . Proceedings of the International Astronomical Union 12 (2016) : 338-349.
http://dx.doi.org/10.1017/S1743921317004276
---------- MLA ----------
Do Nascimento, J.-D., Jr., Vidotto, A.A., Petit, P., Folsom, C., De Mello, G.F.P., Meibom, S., et al. "The solar proxy κ1 Cet and the planetary habitability around the young Sun" . Proceedings of the International Astronomical Union, vol. 12, 2016, pp. 338-349.
http://dx.doi.org/10.1017/S1743921317004276
---------- VANCOUVER ----------
Do Nascimento, J.-D., Jr., Vidotto, A.A., Petit, P., Folsom, C., De Mello, G.F.P., Meibom, S., et al. The solar proxy κ1 Cet and the planetary habitability around the young Sun. Proc. Int. Astron. Union. 2016;12:338-349.
http://dx.doi.org/10.1017/S1743921317004276