3.88
Apparent Mag164
Distance (ly)B8V
Spectral Type12,000
Temperature (K)Gamma Arietis, also known as Mesarthim, was one of the first double stars discovered through a telescope.
Stellar Data
Apparent Magnitude3.88
Absolute Magnitude0.18
Distance164 light-years
Spectral TypeB8V
Temperature12,000 K
Luminosity68 L☉
Radius2.6 R☉
Mass3 M☉
Right Ascension01h 53m 31.8s
Declination+19° 17′ 37.9″
ConstellationAries
Notable Facts
- Also known as Mesarthim
- It was one of the first double stars found telescopically by Robert Hooke in 1664
- Both components are similar in brightness