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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:59 
Transit: 12:56 
Sunset: 20:54
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All Constellations » Ursa Major » 

HR4427

Above the horizon.  Circumpolar today
Alt: 26.50°   Az: 326.02°   Direction: North-West

HR4427 is a hypergiant star of spectral class K0 in the constellation of Ursa Major.

HR4427 visual magnitude is 6.41. Because of its faintness, HR4427 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 HR4427 star
DSS2 image of HR4427. The red arrow shows the motion of HR4427 during the next 10000 years (1.67 arcmin in Right Ascension and -9.50 arcmin in declination);

Celestial Coordinates

Apparent

11h 31m 36s
+54° 13’ 17”
08h 04m 44s
19h 36m 21s

J2000

11h 30m 12s
+54° 21’ 42”

Galactic Coordinates

146.03°
58.97°

Finder Chart

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Finder chart for HR4427.

Magnitude, Color, Spectral Class

6.41
Hypergiant

-0.06
K0III
10125K

The red dot in the diagram below shows where HR4427 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4427. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4427 is distant 641.73 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

196.85
641.73
-22 km/s
0.01 arcsec/y
-0.057"/y

Alternative Designations

SAO28038
SAO28038

Visibility from Your Location

HR4427 is circumpolar and transits at 19:28 UTC (altitude: 87.3°)