HR4668

HR4668 is a variable hypergiant star in the constellation of Coma Berenices.

HR4668 visual magnitude is 5. Because of its moderate brightness, HR4668 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 HR4668:

Celestial coordinates and finder chart of HR4668

HR4668 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4668 are provided in the following table:

The simplified sky map below shows the position of HR4668 in the sky:

Visibility of HR4668 from your location

Today's HR4668 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Digitized Sky Survey image of HR4668

The image below is a photograph of HR4668 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 HR4668 is -0.053 arcsec per year in Right Ascension and -0.111 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Distance of HR4668 from the Sun and relative movement

HR4668 is distant 306.10 light years from the Sun and it is moving towards the Sun at the speed of 42 kilometers per second.

Spectral properties of HR4668

HR4668 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

The red dot in the diagram below shows where HR4668 is situated in the Hertzsprung–Russell diagram.

Alternative designations of HR4668