σ Ceti (sigma Ceti)
σ Ceti is a sub-giant star in the constellation of Cetus.
σ Ceti visual magnitude is 4.75. Because of its moderate brightness, σ Ceti should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about σ Ceti:
Celestial coordinates and finder chart of σ Ceti
σ Ceti is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of σ Ceti are provided in the following table:
The simplified sky map below shows the position of σ Ceti in the sky:
Visibility of σ Ceti from your location
Digitized Sky Survey image of σ Ceti
The image below is a photograph of σ Ceti from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of σ Ceti is -0.07 arcsec per year in Right Ascension and -0.12 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of σ Ceti from the Sun and relative movement
σ Ceti is distant 84.17 light years from the Sun and it is moving towards the Sun at the speed of 29 kilometers per second.
Spectral properties of σ Ceti
σ Ceti belongs to spectral class F4 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where σ Ceti is situated in the Hertzsprung–Russell diagram.