{"id":166822,"date":"2023-07-03T13:23:41","date_gmt":"2023-07-03T18:23:41","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2023\/07\/new-eclipsing-cataclysmic-variable-system-discovered"},"modified":"2023-07-03T13:23:41","modified_gmt":"2023-07-03T18:23:41","slug":"new-eclipsing-cataclysmic-variable-system-discovered","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2023\/07\/new-eclipsing-cataclysmic-variable-system-discovered","title":{"rendered":"New eclipsing cataclysmic variable system discovered"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/new-eclipsing-cataclysmic-variable-system-discovered2.jpg\"><\/a><\/p>\n<p>Using the Spektr-RG (SRG) spacecraft and the Zwicky Transient Facility (ZTF), an international team of astronomers has discovered a new eclipsing cataclysmic variable system, which received designation SRGeJ045359.9+622444 (or SRGeJ0453 for short). The finding is reported in a paper published June 22 on the pre-print server <i>arXiv<\/i>.<\/p>\n<p>Cataclysmic variables (CVs) are <a href=\"https:\/\/phys.org\/tags\/binary+star+systems\/\" rel=\"tag\" class=\"\">binary star systems<\/a> consisting of a white dwarf primary that is accreting matter from a normal star companion. They irregularly increase in brightness by a large factor, then drop back down to a quiescent state. These binaries have been found in many environments, such as the center of the Milky Way galaxy, the solar neighborhood, and within open and globular clusters.<\/p>\n<p>AM CVn stars (named after the star AM Canum Venaticorum), are a rare type of CV in which a white dwarf accretes hydrogen-poor matter from a compact companion star. In general, such systems are helium-rich binaries, not showing traces of hydrogen in their spectra, with <a href=\"https:\/\/phys.org\/tags\/orbital+periods\/\" rel=\"tag\" class=\"\">orbital periods<\/a> between five and 65 minutes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Using the Spektr-RG (SRG) spacecraft and the Zwicky Transient Facility (ZTF), an international team of astronomers has discovered a new eclipsing cataclysmic variable system, which received designation SRGeJ045359.9+622444 (or SRGeJ0453 for short). The finding is reported in a paper published June 22 on the pre-print server arXiv. Cataclysmic variables (CVs) are binary star systems consisting [\u2026]<\/p>\n","protected":false},"author":396,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1514],"tags":[],"class_list":["post-166822","post","type-post","status-publish","format-standard","hentry","category-space-travel"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/166822","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=166822"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/166822\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=166822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=166822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=166822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}