HR4639 is a double giant star in the constellation of Camelopardalis.
HR4639 visual magnitude is 6. Because of its reltive faintness, HR4639 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.
The table below summarizes the key facts about HR4639:
HR4639 is above the horizon from Greenwich, United Kingdom .
Celestial coordinates and finder chart of HR4639
HR4639 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 HR4639 are provided in the following table:
The simplified sky map below shows the position of HR4639 in the sky:
Visibility of HR4639 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
HR4639 is circumpolar and transits at 18:51 UTC (altitude: 59.8°)
Digitized Sky Survey image of HR4639
The image below is a photograph of HR4639 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 HR4639 is -0.029 arcsec per year in Right Ascension and 0.007 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR4639 from the Sun and relative movement
HR4639 is distant 1,101.35 light years from the Sun and it is moving towards the Sun at the speed of 27 kilometers per second.
Spectral properties of HR4639
HR4639 belongs to spectral class K5
The red dot in the diagram below shows where HR4639 is situated in the Hertzsprung–Russell diagram.
HR4639 star system properties
HR4639 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR4639 double sysyem: