{"id":207862,"date":"2025-03-05T10:19:40","date_gmt":"2025-03-05T16:19:40","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/03\/astronomers-detect-new-polar-cataclysmic-variable"},"modified":"2025-03-05T10:19:40","modified_gmt":"2025-03-05T16:19:40","slug":"astronomers-detect-new-polar-cataclysmic-variable","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/03\/astronomers-detect-new-polar-cataclysmic-variable","title":{"rendered":"Astronomers detect new polar cataclysmic variable"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/astronomers-detect-new-polar-cataclysmic-variable2.jpg\"><\/a><\/p>\n<p>Using the ROentgen SATellite (ROSAT), astronomers have discovered a new cataclysmic variable system of the polar subtype. The new polar, which received the designation ZTF J0112+5827, has an orbital period of approximately 81 minutes. The finding is detailed in a research paper <a href=\"https:\/\/arxiv.org\/abs\/2502.16059\" target=\"_blank\">published<\/a> on the <i>arXiv<\/i> preprint server.<\/p>\n<p>Cataclysmic variables (CVs) are binary star systems composed of a white dwarf and a normal star companion. They irregularly increase in brightness by a large factor, then drop back down to a quiescent state. Polars are a subclass of cataclysmic variables distinguished from other CVs by the presence of a very strong magnetic field in their <a href=\"https:\/\/phys.org\/tags\/white+dwarfs\/\" rel=\"tag\" class=\"\">white dwarfs<\/a>.<\/p>\n<p>Now, a team of astronomers led by Jiamao Lin of the Sun Yat-sen University in Zhuhai, China, reports the discovery of a new CV of the polar subclass. By examining the X-ray and cyclotron radiation characteristics of a CV candidate ZTF J0112+5827, they confirmed its polar nature.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Using the ROentgen SATellite (ROSAT), astronomers have discovered a new cataclysmic variable system of the polar subtype. The new polar, which received the designation ZTF J0112+5827, has an orbital period of approximately 81 minutes. The finding is detailed in a research paper published on the arXiv preprint server. Cataclysmic variables (CVs) are binary star systems [\u2026]<\/p>\n","protected":false},"author":662,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-207862","post","type-post","status-publish","format-standard","hentry","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/207862","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\/662"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=207862"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/207862\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=207862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=207862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=207862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}