Unukalhai

Alpha Serpentis

Serpens

2.63
Apparent Mag
73.2
Distance (ly)
K2III
Spectral Type
4,498
Temperature (K)

Unukalhai is the brightest star in Serpens, an orange giant. Its name means the serpent's neck in Arabic.

Stellar Data

Apparent Magnitude2.63
Absolute Magnitude0.87
Distance73.2 light-years
Spectral TypeK2III
Temperature4,498 K
Luminosity70 L☉
Radius12 R☉
Mass2 M☉
Right Ascension15h 44m 16.1s
Declination+06° 25′ 32.3″
ConstellationSerpens

Notable Facts

  • Its name means the serpent's neck in Arabic
  • It is the brightest star in the constellation Serpens
  • Unukalhai is a single giant star with no known companions

More Stars in Serpens

View constellation