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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:52  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
sleep NighttimeWhat's Visible Now?
All Constellations » Ursa Major » 


Altitude: 64.6°   Azimuth: 46.9°   Direction: North-East

HR4859 is a main-sequence star in the constellation of Ursa Major.

HR4859 visual magnitude is 5.89. Because of its reltive faintness, HR4859 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 HR4859:


HR4859 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 64.6°
Azimuth: 46.9°
Direction: North-East

Celestial coordinates and finder chart of HR4859

HR4859 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 HR4859 are provided in the following table:

12h 47m 18s
+62° 46’ 50”
Ursa Major

The simplified sky map below shows the position of HR4859 in the sky:

Finder chart HR4859 star
Simplified finder chart for HR4859.

Visibility of HR4859 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR4859 is circumpolar and transits at 07:32 UTC (altitude: 78.7°)

Digitized Sky Survey image of HR4859

The image below is a photograph of HR4859 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 HR4859 is 0.016 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4859 star
DSS2 image of HR4859. The red arrow shows the motion of HR4859 during the next 10000 years (2.67 arcmin in Right Ascension and -0.17 arcmin in declination);

Distance of HR4859 from the Sun and relative movement

HR4859 is distant 205.68 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

63.09 pc
205.68 ly
-11 km/s
0.016 arcsec/year
-0.001 arcsec/year

Spectral properties of HR4859

HR4859 belongs to spectral class A9 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR4859 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4859. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4859