θ Cephei (theta Cephei)
θ Cephei is a giant star in the constellation of Cepheus.
θ Cephei visual magnitude is 4.22. Because of its moderate brightness, θ Cephei should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.
The proper motion of θ Cephei is 0.044 arcsec per year in Right Ascension and -0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Key facts about θ Cephei
Celestial coordinates and finder chart of θ Cephei
θ Cephei is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of θ Cephei are provided in the following table:
The simplified sky map below shows the position of θ Cephei in the sky:
Visibility of θ Cephei from your location
θ Cephei (theta Cephei) is circumpolar and transits at 09:35 UTC (altitude: 78.5°)
Distance of θ Cephei from the Sun and relative movement
θ Cephei is distant 135.61 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.
Spectral properties of θ Cephei
θ Cephei belongs to spectral class A7 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where θ Cephei is situated in the Hertzsprung–Russell diagram.