ABSTRACT We combine all previously published radial velocity measurements of the spectroscopic binary WR 141 with new CCD data ... 1991, in IAU Symp. 143, Wolf‐Rayet Stars and Interrelations with ...

It's part of a star system called Wolf-Rayet 104 (WR 104), also known famously as the Pinwheel Nebula. Astronomers have confirmed the shape of the nebula is an interaction with a stellar twin – a ...