[Physique des flots d'accrétion autour de objets compacts]
L'article contient une brève revue de quelques problèmes liés à l'accrétion sur les étoiles à neutrons et les trous noirs. Je discute les différences entre ces deux types d'objets compacts quand ils sont observés dans les Sources X Transitoires quiescentes. Ensuite, j'examine l'intérêt astrophysique, mais aussi fondamental, des divers objets non standard proposés comme alternatives aux trous noirs. La parties finale de l'article contient une présentation de certains résultats récents concernant la nature des jets émanants des Noyaux Actifs de Galaxies.
Several physical and astrophysical problems related to accretion onto black holes and neutron stars are briefly reviewed. I discuss the observed differences between these two types of compact objects in quiescent Soft X-ray Transients. Then I review the status of various non-standard objects suggested as an alternative to black holes. Finally, I present new results and a suggestion about the nature of the jet activity in Active Galactic Nuclei.
Mot clés : Trous noirs, Relativité générale, Accrétion, Jets relativistes
Jean-Pierre Lasota 1
@article{CRPHYS_2007__8_1_45_0, author = {Jean-Pierre Lasota}, title = {Physics of accretion flows around compact objects}, journal = {Comptes Rendus. Physique}, pages = {45--56}, publisher = {Elsevier}, volume = {8}, number = {1}, year = {2007}, doi = {10.1016/j.crhy.2006.11.002}, language = {en}, }
Jean-Pierre Lasota. Physics of accretion flows around compact objects. Comptes Rendus. Physique, Volume 8 (2007) no. 1, pp. 45-56. doi : 10.1016/j.crhy.2006.11.002. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2006.11.002/
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