{"id":220782,"date":"2025-08-23T08:22:14","date_gmt":"2025-08-23T13:22:14","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/08\/self-consistent-model-incorporates-gas-self-gravity-effects-to-address-accretion-across-cosmic-scales"},"modified":"2025-08-23T08:22:14","modified_gmt":"2025-08-23T13:22:14","slug":"self-consistent-model-incorporates-gas-self-gravity-effects-to-address-accretion-across-cosmic-scales","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/08\/self-consistent-model-incorporates-gas-self-gravity-effects-to-address-accretion-across-cosmic-scales","title":{"rendered":"Self-consistent model incorporates gas self-gravity effects to address accretion across cosmic scales"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/self-consistent-model-incorporates-gas-self-gravity-effects-to-address-accretion-across-cosmic-scales.jpg\"><\/a><\/p>\n<p>A research team led by Prof. Jiao Chengliang at the Yunnan Observatories of the Chinese Academy of Sciences, along with collaborators, has introduced a self-consistent model that addresses long-unresolved theoretical gaps in the study of self-gravitating spherical accretion. The <a href=\"https:\/\/iopscience.iop.org\/article\/10.3847\/1538-4357\/adec71\" target=\"_blank\">study<\/a> was recently published in The Astrophysical Journal.<\/p>\n<p>Accretion, the fundamental astrophysical process by which matter is drawn onto a central celestial object (such as a black hole or star), underpins our understanding of phenomena ranging from <a href=\"https:\/\/phys.org\/tags\/star+formation\/\" rel=\"tag\" class=\"\">star formation<\/a> to black hole growth. For decades, the classical Bondi model\u2014developed in the 1950s and still widely used today\u2014has served as the backbone of <a href=\"https:\/\/phys.org\/tags\/accretion\/\" rel=\"tag\" class=\"\">accretion<\/a> research.<\/p>\n<p>However, this foundational framework overlooks a critical factor: the self-gravity of the gas being accreted. This omission, the researchers note, can drastically alter flow structures and accretion rates in high-density astrophysical environments, limiting the model\u2019s accuracy in key scenarios.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A research team led by Prof. Jiao Chengliang at the Yunnan Observatories of the Chinese Academy of Sciences, along with collaborators, has introduced a self-consistent model that addresses long-unresolved theoretical gaps in the study of self-gravitating spherical accretion. The study was recently published in The Astrophysical Journal. Accretion, the fundamental astrophysical process by which matter [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"class_list":["post-220782","post","type-post","status-publish","format-standard","hentry","category-cosmology"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/220782","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=220782"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/220782\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=220782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=220782"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=220782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}