{"id":205754,"date":"2025-02-06T16:12:08","date_gmt":"2025-02-06T22:12:08","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/02\/a-final-pure-tone-emitted-after-a-collision-of-neutron-stars-may-reveal-their-interiors"},"modified":"2025-02-06T16:12:08","modified_gmt":"2025-02-06T22:12:08","slug":"a-final-pure-tone-emitted-after-a-collision-of-neutron-stars-may-reveal-their-interiors","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/02\/a-final-pure-tone-emitted-after-a-collision-of-neutron-stars-may-reveal-their-interiors","title":{"rendered":"A final \u2018pure\u2019 tone emitted after a collision of neutron stars may reveal their interiors"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/a-final-pure-tone-emitted-after-a-collision-of-neutron-stars-may-reveal-their-interiors2.jpg\"><\/a><\/p>\n<p>Scientists at Goethe University Frankfurt have identified a new way to probe the interior of neutron stars using gravitational waves from their collisions. By analyzing the \u201clong ringdown\u201d phase\u2014a pure-tone signal emitted by the post-merger remnant\u2014they have found a strong correlation between the signal\u2019s properties and the equation of state of neutron-star matter. Their results were recently <a href=\"https:\/\/doi.org\/10.1038\/s41467-025-56500-x\" target=\"_blank\">published<\/a> in Nature Communications.<\/p>\n<p>Neutron stars, with a mass greater than that of the entire solar system confined within a nearly perfect sphere just a dozen kilometers in diameter, are among the most fascinating astrophysical objects known to humankind. Yet, the <a href=\"https:\/\/phys.org\/tags\/extreme+conditions\/\" rel=\"tag\" class=\"\">extreme conditions<\/a> in their interiors make their composition and structure highly uncertain.<\/p>\n<p>The collision of two neutron stars, such as the one observed in 2017, provides a unique opportunity to uncover these mysteries. As binary neutron stars inspiral for millions of years, they emit <a href=\"https:\/\/phys.org\/tags\/gravitational+waves\/\" rel=\"tag\" class=\"\">gravitational waves<\/a>, but the most intense emission occurs at and just milliseconds after the moment of merging.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Scientists at Goethe University Frankfurt have identified a new way to probe the interior of neutron stars using gravitational waves from their collisions. By analyzing the \u201clong ringdown\u201d phase\u2014a pure-tone signal emitted by the post-merger remnant\u2014they have found a strong correlation between the signal\u2019s properties and the equation of state of neutron-star matter. Their results [\u2026]<\/p>\n","protected":false},"author":396,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,219,8],"tags":[],"class_list":["post-205754","post","type-post","status-publish","format-standard","hentry","category-information-science","category-physics","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/205754","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\/396"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=205754"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/205754\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=205754"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=205754"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=205754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}