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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:33 
Transit: 12:55 
Sunset: 19:17
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All Constellations » Ursa Major » 

HR3929

Above the horizon.  Circumpolar today
Alt: 9.63°   Az: 340.81°   Direction: North-North-West

HR3929 is a hypergiant star of spectral class K0 in the constellation of Ursa Major.

HR3929 visual magnitude is 6.3. Because of its faintness, HR3929 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 HR3929 star
DSS2 image of HR3929. The red arrow shows the motion of HR3929 during the next 10000 years (1.83 arcmin in Right Ascension and -5.00 arcmin in declination);

Celestial Coordinates

Apparent

09h 59m 29s
+45° 17’ 44”
10h 10m 16s
20h 09m 45s

J2000

09h 57m 56s
+45° 24’ 51”

Galactic Coordinates

173.16°
51.16°

Finder Chart

Finder chart HR3929 star
Simplified finder chart for HR3929.

Magnitude, Color, Spectral Class

6.3
Hypergiant

0.76
K0III
4493K

The red dot in the diagram below shows where HR3929 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3929. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR3929 is distant 417.95 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

128.21
417.95
5 km/s
0.011 arcsec/y
-0.03"/y

Alternative Designations

SAO43117
SAO43117

Visibility from Your Location

HR3929 is circumpolar and transits at 10:27 UTC (altitude: 83.8°)