{"id":4476,"date":"2023-04-25T09:32:00","date_gmt":"2023-04-25T09:32:00","guid":{"rendered":"http:\/\/xmm-ssc.irap.omp.eu\/xmm2athena\/?p=4476"},"modified":"2023-05-09T09:37:36","modified_gmt":"2023-05-09T09:37:36","slug":"les-perturbations-dues-aux-marees-et-les-eruptions-quasi-periodiques","status":"publish","type":"post","link":"http:\/\/xmm-ssc.irap.omp.eu\/xmm2athena\/fr\/2023\/04\/25\/les-perturbations-dues-aux-marees-et-les-eruptions-quasi-periodiques\/","title":{"rendered":"Les perturbations dues aux mar\u00e9es et les \u00e9ruptions quasi p\u00e9riodiques"},"content":{"rendered":"\n<p class=\"has-black-color has-text-color\">Les perturbations dues aux mar\u00e9es (TDE pour tidal disruption events) se produisent lorsqu&rsquo;une \u00e9toile passe \u00e0 proximit\u00e9 d&rsquo;un trou noir massif, de sorte que les forces de mar\u00e9e du trou noir d\u00e9passent l&rsquo;\u00e9nergie de liaison de l&rsquo;\u00e9toile et provoquent son \u00e9clatement. Une partie de la mati\u00e8re tombe sur le trou noir, ce qui provoque une forte augmentation de la luminosit\u00e9. De tels \u00e9v\u00e9nements sont souvent observ\u00e9s dans l&rsquo;optique ou les rayons X (ou les deux), voire \u00e0 d&rsquo;autres longueurs d&rsquo;onde comme la radio, o\u00f9 la diversit\u00e9 des \u00e9missions observ\u00e9es est encore mal comprise. Le catalogue XMM-Newton d&rsquo;environ un million de d\u00e9tections de rayons X couvrant 12832 degr\u00e9s de ciel contient un certain nombre de ces \u00e9v\u00e9nements. Je montrerai ici la nature diverse d&rsquo;un certain nombre de TDEs d\u00e9couverts dans le catalogue et discuterai de leur relation avec les \u00e9ruptions quasi p\u00e9riodiques. <\/p>\n\n\n\n<p class=\"has-black-color has-text-color\">T\u00e9l\u00e9charger la publication : <a rel=\"noreferrer noopener\" href=\"https:\/\/arxiv.org\/abs\/2304.08828\" target=\"_blank\">https:\/\/arxiv.org\/abs\/2304.08828<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les perturbations dues aux mar\u00e9es (TDE pour tidal disruption events) se produisent lorsqu&rsquo;une \u00e9toile passe \u00e0 proximit\u00e9 d&rsquo;un trou noir massif, de sorte que les forces de mar\u00e9e du trou noir d\u00e9passent l&rsquo;\u00e9nergie de liaison de l&rsquo;\u00e9toile et provoquent son \u00e9clatement. Une partie de la mati\u00e8re tombe sur le trou noir, ce qui provoque une&hellip; <br \/> <a class=\"read-more\" href=\"http:\/\/xmm-ssc.irap.omp.eu\/xmm2athena\/fr\/2023\/04\/25\/les-perturbations-dues-aux-marees-et-les-eruptions-quasi-periodiques\/\">Lire la suite<\/a><\/p>\n","protected":false},"author":2,"featured_media":4397,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[31],"tags":[],"_links":{"self":[{"href":"http:\/\/xmm-ssc.irap.omp.eu\/xmm2athena\/wp-json\/wp\/v2\/posts\/4476"}],"collection":[{"href":"http:\/\/xmm-ssc.irap.omp.eu\/xmm2athena\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xmm-ssc.irap.omp.eu\/xmm2athena\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xmm-ssc.irap.omp.eu\/xmm2athena\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/xmm-ssc.irap.omp.eu\/xmm2athena\/wp-json\/wp\/v2\/comments?post=4476"}],"version-history":[{"count":1,"href":"http:\/\/xmm-ssc.irap.omp.eu\/xmm2athena\/wp-json\/wp\/v2\/posts\/4476\/revisions"}],"predecessor-version":[{"id":4477,"href":"http:\/\/xmm-ssc.irap.omp.eu\/xmm2athena\/wp-json\/wp\/v2\/posts\/4476\/revisions\/4477"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/xmm-ssc.irap.omp.eu\/xmm2athena\/wp-json\/wp\/v2\/media\/4397"}],"wp:attachment":[{"href":"http:\/\/xmm-ssc.irap.omp.eu\/xmm2athena\/wp-json\/wp\/v2\/media?parent=4476"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xmm-ssc.irap.omp.eu\/xmm2athena\/wp-json\/wp\/v2\/categories?post=4476"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xmm-ssc.irap.omp.eu\/xmm2athena\/wp-json\/wp\/v2\/tags?post=4476"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}