{"id":178964,"date":"2023-12-24T00:29:46","date_gmt":"2023-12-24T06:29:46","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2023\/12\/fast-detects-three-new-pulsars-in-an-old-globular-cluster"},"modified":"2023-12-24T00:29:46","modified_gmt":"2023-12-24T06:29:46","slug":"fast-detects-three-new-pulsars-in-an-old-globular-cluster","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2023\/12\/fast-detects-three-new-pulsars-in-an-old-globular-cluster","title":{"rendered":"FAST detects three new pulsars in an old globular cluster"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/fast-detects-three-new-pulsars-in-an-old-globular-cluster3.jpg\"><\/a><\/p>\n<p>Using China\u2019s Five-hundred-meter Aperture Spherical radio Telescope (FAST), astronomers have discovered three new pulsars in an old Galactic globular cluster known as Messier 15. Two of them turned out to be long-period pulsars, while the remaining one spins so rapidly that it was classified as a millisecond pulsar. The finding was reported in a paper <a href=\"https:\/\/arxiv.org\/abs\/2312.06067\">published<\/a> Dec. 11 on the pre-print server <i>arXiv<\/i>.<\/p>\n<p>Pulsars are highly magnetized, rotating <a href=\"https:\/\/phys.org\/tags\/neutron+stars\/\" rel=\"tag\" class=\"\">neutron stars<\/a> emitting a beam of electromagnetic radiation. The most rapidly rotating pulsars, with rotation periods below 30 milliseconds, are known as <a href=\"https:\/\/phys.org\/tags\/millisecond+pulsars\/\" rel=\"tag\" class=\"\">millisecond pulsars<\/a> (MSPs). Astronomers assume that they are formed in binary systems when the initially more massive component turns into a neutron star that is then spun up due to accretion of matter from the secondary star.<\/p>\n<p>Located some 35,700 light years away from the Earth, Messier 15 (also known as NGC 7078) is a core-collapsed GC with a radius of about 88 <a href=\"https:\/\/phys.org\/tags\/light+years\/\" rel=\"tag\" class=\"\">light years<\/a> and an estimated mass of 560,000 <a href=\"https:\/\/phys.org\/tags\/solar+masses\/\" rel=\"tag\" class=\"\">solar masses<\/a>. It is one of the oldest (about 12 billion years old) and most metal-poor Galactic GCs (with a metallicity of approximately \u22122.25), and one of the most densely packed GCs in our galaxy.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Using China\u2019s Five-hundred-meter Aperture Spherical radio Telescope (FAST), astronomers have discovered three new pulsars in an old Galactic globular cluster known as Messier 15. Two of them turned out to be long-period pulsars, while the remaining one spins so rapidly that it was classified as a millisecond pulsar. The finding was reported in a paper [\u2026]<\/p>\n","protected":false},"author":661,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"class_list":["post-178964","post","type-post","status-publish","format-standard","hentry","category-cosmology"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/178964","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\/661"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=178964"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/178964\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=178964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=178964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=178964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}