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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:19 
Transit: 12:14 
Sunset: 17:09
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All Constellations » Ursa Major » 

HR4046

Above the horizon.  Circumpolar today
Alt: 59.15°   Az: 283.51°   Direction: West-North-West

HR4046 is a hypergiant star of spectral class K0 in the constellation of Ursa Major.

HR4046 visual magnitude is 6. Because of its faintness, HR4046 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 HR4046 star
DSS2 image of HR4046. The red arrow shows the motion of HR4046 during the next 1000 years (-1.62 arcmin in Right Ascension and -1.78 arcmin in declination);

Celestial Coordinates

Apparent

10h 20m 59s
+48° 16’ 12”
03h 14m 04s
13h 35m 04s

J2000

10h 19m 26s
+48° 23’ 48”

Galactic Coordinates

166.68°
53.77°

Finder Chart

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Finder chart for HR4046.

Magnitude, Color, Spectral Class

6
Hypergiant

2.82
K0
4695K

The red dot in the diagram below shows where HR4046 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4046. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4046 is distant 141.25 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

43.33
141.25
-6 km/s
-0.097 arcsec/y
-0.107"/y

Alternative Designations

SAO43285
SAO43285

Visibility from Your Location

HR4046 is circumpolar and transits at 00:51 UTC (altitude: 86.8°)