On the genesis of the Haumea system

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Título: On the genesis of the Haumea system
Autor/es: Campo Bagatin, Adriano | Benavídez, Paula Gabriela | Ortiz Moreno, José Luis | Gil-Hutton, Ricardo
Grupo/s de investigación o GITE: Astronomía y Astrofísica
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal
Palabras clave: Kuiper belt objects: individual: Haumea | Minor planets, asteroids: individual: Haumea | Planets and satellites: individual: Haumea
Área/s de conocimiento: Física Aplicada
Fecha de publicación: 11-sep-2016
Editor: Oxford University Press
Cita bibliográfica: Monthly Notices of the Royal Astronomical Society. 2016, 461(2): 2060-2067. doi:10.1093/mnras/stw1402
Resumen: The scenarios proposed in the literature for the genesis of the system formed by the dwarf planet 136108 Haumea, its two satellites and a group of some 10 bodies (the family) with semimajor axes, eccentricities and inclinations close to Haumea's values, are analysed against collisional, physical, dynamical and statistical arguments in order to assess their likelihood. All scenarios based on collisional events are reviewed under physical arguments and the corresponding formation probabilities in a collisional environment are evaluated according to the collisional evolution model alicandep. An alternative mechanism is proposed based on the potential possibility of (quasi-) independent origin of the family with respect to Haumea and its satellites. As a general conclusion the formation of the Haumea system is a low-probability event in the currently assumed frame for the evolution of the outer Solar system. However, it is possible that current knowledge is missing some key element in the whole story that may contribute to increase the odds for the formation of such a system.
Patrocinador/es: This research was partially supported by Spanish grants AYA2011-06202-C02-01 (JLO) and AYA2011-06202-C02-02 (ACB). RGH gratefully acknowledges financial support by CONICET through PIP 114-201101-00358 and Junta de Andalucia 2012-FQM1776.
URI: http://hdl.handle.net/10045/59111
ISSN: 0035-8711 (Print) | 1365-2966 (Online)
DOI: 10.1093/mnras/stw1402
Idioma: eng
Tipo: info:eu-repo/semantics/article
Derechos: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society
Revisión científica: si
Versión del editor: http://dx.doi.org/10.1093/mnras/stw1402
Aparece en las colecciones:INV - Astronomía y Astrofísica - Artículos de Revistas

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