Astronomers from the Czech Republic and Argentina have employed the Gemini South telescope to observe a yellow supergiant star designated HD 144812. The observations found that HD 144812 is a rare post-red supergiant orbited by a companion star. The finding was reported in a paper published March 25 on the arXiv pre-print server.
HD 144812 is a rare post-red supergiant star in a binary system, observations find
