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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:28 
Transit: 12:14 
Sunset: 17:00
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All Constellations » Ursa Major » 

HR4051

Above the horizon.  Circumpolar today
Alt: 17.65°   Az: 343.23°   Direction: North-North-West

HR4051 is a main-sequence star of spectral class F9 in the constellation of Ursa Major.

HR4051 visual magnitude is 6.45. Because of its faintness, HR4051 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of HR4051 star
DSS2 image of HR4051. The red arrow shows the motion of HR4051 during the next 10000 years (-14.00 arcmin in Right Ascension and 7.67 arcmin in declination);

Celestial Coordinates

Apparent

10h 21m 51s
+53° 39’ 08”
10h 09m 27s
20h 31m 18s

J2000

10h 20m 14s
+53° 46’ 45”

Galactic Coordinates

158.57°
51.58°

Finder Chart

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  Loading map...
Finder chart for HR4051.

Magnitude, Color, Spectral Class

6.45
Main-sequence

4.02
F9V
6213K

The red dot in the diagram below shows where HR4051 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4051. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4051 is distant 99.69 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

30.58
99.69
-21 km/s
-0.084 arcsec/y
0.046"/y

Alternative Designations

SAO27606
SAO27606

Visibility from Your Location

HR4051 is circumpolar and transits at 01:12 UTC (altitude: 87.8°)