{"id":144958,"date":"2024-09-30T15:03:09","date_gmt":"2024-09-30T15:03:09","guid":{"rendered":"https:\/\/news.talkwithrattan.com\/index.php\/2024\/09\/30\/betelgeuse-has-a-tiny-companion-star-hidden-in-plain-sight\/"},"modified":"2024-09-30T15:03:09","modified_gmt":"2024-09-30T15:03:09","slug":"betelgeuse-has-a-tiny-companion-star-hidden-in-plain-sight","status":"publish","type":"post","link":"https:\/\/news.talkwithrattan.com\/index.php\/2024\/09\/30\/betelgeuse-has-a-tiny-companion-star-hidden-in-plain-sight\/","title":{"rendered":"Betelgeuse has a tiny companion star hidden in plain sight"},"content":{"rendered":"
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Betelgeuse, Betelgeuse! The red supergiant that marks Orion\u2019s left shoulder may have a tiny, unseen companion.<\/p>\n\n\n\n

Two independent studies found evidence of a star about the same mass as the sun, orbiting Betelgeuse about once every 2,100 days.<\/p>\n\n\n\n

\u201cIt was very surprising,\u201d says astrophysicist Morgan MacLeod of the Harvard & Smithsonian Center for Astrophysics in Cambridge, Mass. If the star is real, \u201cit\u2019s kind of hidden right there in plain sight.\u201d<\/p>\n\n\n\n

MacLeod and colleagues linked a six-year cycle of Betelgeuse brightening and dimmin<\/a>g to a companion star tweaking its orbit, in a paper submitted to arXiv.org September 17. MacLeod examined global, historical measurements dating back to 1896.<\/p>\n\n\n