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 by Tomasz Nowakowski , Phys.org IGRINS H- (upper panel) and K-band (lower panel) spectra of HD 144812.