The traditional name Arcturus is Latinised from the ancient Greek Ἀρκτοῦρος (Arktouros) and means "Guardian of the Bear", ultimately from … See more

Based upon an annual parallax shift of 88.83 milliarcseconds, as measured by the Hipparcos satellite, Arcturus is 36.7 light-years See more

One astronomical tradition associates Arcturus with the mythology around Arcas, who was about to shoot and kill his own mother See more

In Ancient Rome, the star's celestial activity was supposed to portend tempestuous weather, and a personification of the … See more

With an apparent visual magnitude of −0.05, Arcturus is the brightest star in the northern celestial hemisphere and the fourth-brightest star in the night sky, after Sirius (−1.46 apparent magnitude), Canopus (−0.72) and α Centauri (combined … See more

As one of the brightest stars in the sky, Arcturus has been significant to observers since antiquity.
In ancient See more

• Harper, Graham M.; et al. (June 2022), "The Wind Temperature and Mass-loss Rate of Arcturus (K1.5 III)", The Astrophysical … See more