{"id":277,"date":"2021-09-25T14:42:40","date_gmt":"2021-09-25T18:42:40","guid":{"rendered":"https:\/\/sites.bu.edu\/buwd\/?p=277"},"modified":"2024-12-20T16:27:32","modified_gmt":"2024-12-20T21:27:32","slug":"a-99-min-binary-from-sdss-v","status":"publish","type":"post","link":"https:\/\/sites.bu.edu\/buwd\/2021\/09\/25\/a-99-min-binary-from-sdss-v\/","title":{"rendered":"A 99-min binary from SDSS-V"},"content":{"rendered":"<figure style=\"width: 646px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" src=\"\/buwd\/files\/2021\/09\/lines-636x442.jpg\" alt=\"\" width=\"636\" height=\"442\" class=\"aligncenter size-medium wp-image-279\" srcset=\"https:\/\/sites.bu.edu\/buwd\/files\/2021\/09\/lines-636x442.jpg 636w, https:\/\/sites.bu.edu\/buwd\/files\/2021\/09\/lines-1024x711.jpg 1024w, https:\/\/sites.bu.edu\/buwd\/files\/2021\/09\/lines-768x533.jpg 768w, https:\/\/sites.bu.edu\/buwd\/files\/2021\/09\/lines.jpg 1300w\" sizes=\"(max-width: 636px) 100vw, 636px\" \/><figcaption class=\"wp-caption-text\">Data (left) and the model (right) of the velocity changes of the new 99-min WD+WD binary SDSS J1337+3952 from SDSS-V (credit <a href=\"https:\/\/arxiv.org\/abs\/2108.11968\">Chandra et al. 2021<\/a>).<\/figcaption><\/figure>\n<p>In one of the first science results from SDSS-V, collaborators led by Harvard graduate student Vedant Chandra (<strong><a href=\"https:\/\/arxiv.org\/abs\/2108.11968\">Chandra et al. 2021<\/a><\/strong>) have discovered a double-lined, double-white-dwarf binary orbiting one another every 99 minutes in a paper that was <a href=\"https:\/\/arxiv.org\/abs\/2108.11968\">recently accepted for publication by the Astrophysical Journal<\/a>. The two white dwarfs will merge into a roughly 0.85 solar-mass remnant in less than 300 million years, and the system is already likely giving off enough gravitational waves to be detectable by the LISA mission. A nice <a href=\"https:\/\/twitter.com\/vedantchandra\/status\/1432451504569528320?s=20\">Twitter summary of the discovery is here<\/a>. The pair of stars was found in just the first six months of SDSS-V data, so more exciting discoveries await when the <a href=\"https:\/\/www.sdss5.org\/instruments\/\">robots take over<\/a> later this year!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In one of the first science results from SDSS-V, collaborators led by Harvard graduate student Vedant Chandra (Chandra et al. 2021) have discovered a double-lined, double-white-dwarf binary orbiting one another every 99 minutes in a paper that was recently accepted for publication by the Astrophysical Journal. The two white dwarfs will merge into a roughly [&hellip;]<\/p>\n","protected":false},"author":15801,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/sites.bu.edu\/buwd\/wp-json\/wp\/v2\/posts\/277"}],"collection":[{"href":"https:\/\/sites.bu.edu\/buwd\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sites.bu.edu\/buwd\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sites.bu.edu\/buwd\/wp-json\/wp\/v2\/users\/15801"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.bu.edu\/buwd\/wp-json\/wp\/v2\/comments?post=277"}],"version-history":[{"count":4,"href":"https:\/\/sites.bu.edu\/buwd\/wp-json\/wp\/v2\/posts\/277\/revisions"}],"predecessor-version":[{"id":476,"href":"https:\/\/sites.bu.edu\/buwd\/wp-json\/wp\/v2\/posts\/277\/revisions\/476"}],"wp:attachment":[{"href":"https:\/\/sites.bu.edu\/buwd\/wp-json\/wp\/v2\/media?parent=277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sites.bu.edu\/buwd\/wp-json\/wp\/v2\/categories?post=277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sites.bu.edu\/buwd\/wp-json\/wp\/v2\/tags?post=277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}