Extrasolar planets: theory and observations
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| Formato: | Artículo científico |
| Lenguaje: | en |
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Universidad Nacional Autónoma de México
2002
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| _version_ | 1866817190479527936 |
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| author | J.A. Fernández |
| author_facet | J.A. Fernández |
| contents | Extrasolar planets: theory and observations J.A. Fernández Física, Astronomía y Matemáticas PLANETARY SYSTEMS We discuss the global properties of the nearly 80 extrasolar planets (or exo-planets for short) so far discovered, and compare them with our previous expecta-tions from theoretical models of planet formation. The discovered exoplanets havemasses around that of Jupiter or larger but, in sharp contrast with Jupiter, theyare close to their central stars and most of them have large eccentricities. We willalso analyze di erent alternatives that could explain the di erent properties of theexoplanets with respect to the Jovian planets of our solar system. Since the currentmost widely used search technique (spectroscopy) strongly favors the discovery ofmassive planets close to their central stars, it is possible that they are very weirdcases, uncommon in comparison with regular planetary systems like ours. 2002 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57101404 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Vol.14 |
| format | Artículo científico |
| id | redalyc_57101404 |
| language | en |
| publishDate | 2002 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | Extrasolar planets: theory and observations J.A. Fernández Física, Astronomía y Matemáticas PLANETARY SYSTEMS Extrasolar planets: theory and observations J.A. Fernández Física, Astronomía y Matemáticas PLANETARY SYSTEMS We discuss the global properties of the nearly 80 extrasolar planets (or exo-planets for short) so far discovered, and compare them with our previous expecta-tions from theoretical models of planet formation. The discovered exoplanets havemasses around that of Jupiter or larger but, in sharp contrast with Jupiter, theyare close to their central stars and most of them have large eccentricities. We willalso analyze di erent alternatives that could explain the di erent properties of theexoplanets with respect to the Jovian planets of our solar system. Since the currentmost widely used search technique (spectroscopy) strongly favors the discovery ofmassive planets close to their central stars, it is possible that they are very weirdcases, uncommon in comparison with regular planetary systems like ours. 2002 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57101404 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Vol.14 |
| title | Extrasolar planets: theory and observations |
| topic | Física, Astronomía y Matemáticas PLANETARY SYSTEMS |
| url | https://www.redalyc.org/articulo.oa?id=57101404 |