α Comae Berenices (alpha Comae Berenices)

α Comae Berenices is a variable and multiple main-sequence star in the constellation of Coma Berenices.

α Comae Berenices visual magnitude is 5.22. Because of its reltive faintness, α Comae Berenices should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of α Comae Berenices is -0.43 arcsec per year in Right Ascension and 0.136 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Key facts about α Comae Berenices

Celestial coordinates and finder chart of α Comae Berenices

α Comae Berenices 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 α Comae Berenices are provided in the following table:

The simplified sky map below shows the position of α Comae Berenices in the sky:

Visibility of α Comae Berenices from your location

Today's α Comae Berenices (alpha Comae Berenices) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Distance of α Comae Berenices from the Sun and relative movement

α Comae Berenices is distant 46.70 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

Spectral properties of α Comae Berenices

α Comae Berenices belongs to spectral class F5 and has a luminosity class of V corresponding to a main-sequence star.

The red dot in the diagram below shows where α Comae Berenices is situated in the Hertzsprung–Russell diagram.

α Comae Berenices star system properties

α Comae Berenices is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the α Comae Berenices double sysyem:

Alternative designations of α Comae Berenices