Alpha Ophiuchi

Star

Alpha Ophiuchi, also named Rasalhague, is a binary star and the brightest star in the constellation of Ophiuchus. Wikipedia

Magnitude: 2.07

Radius: 2.6 R_☉

Temperature: 7,880–8,050 K

Constellation: Ophiuchus

Luminosity: 25.1–25.6 L_☉

Distance to Earth: 48.6 light years

Absolute magnitude: 1.248