3.22
Apparent Mag45
Distance (ly)K1IV
Spectral Type4,792
Temperature (K)Errai is a binary star in Cepheus with a confirmed exoplanet. It will become the pole star around 3000 CE.
Stellar Data
Apparent Magnitude3.22
Absolute Magnitude2.51
Distance45 light-years
Spectral TypeK1IV
Temperature4,792 K
Luminosity6.7 L☉
Radius4.93 R☉
Mass1.4 M☉
Right Ascension23h 39m 20.8s
Declination+77° 37′ 56.2″
ConstellationCepheus
Notable Facts
- Errai will become the north pole star around 3000 CE
- It has a confirmed Jupiter-mass exoplanet
- The name comes from Arabic meaning the shepherd