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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:44 
Transit: 12:53 
Sunset: 19:00
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All Constellations » Ursa Major » 

HR4072

Above the horizon.  Circumpolar today
Alt: 75.71°   Az: 10.10°   Direction: North

HR4072 is a variable hypergiant star of spectral class A0 in the constellation of Ursa Major.

HR4072 visual magnitude is 4.97. Because of its moderate brightness, HR4072 is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of HR4072 star
DSS2 image of HR4072. The red arrow shows the motion of HR4072 during the next 10000 years (-1.33 arcmin in Right Ascension and -3.67 arcmin in declination);

Celestial Coordinates

Apparent

10h 25m 53s
+65° 26’ 25”
23h 36m 05s
10h 01m 58s

J2000

10h 24m 07s
+65° 33’ 59”

Galactic Coordinates

143.54°
45.22°

Finder Chart

Finder chart HR4072 star
Simplified finder chart for HR4072.

Magnitude, Color, Spectral Class

4.97
Hypergiant
HR4072 is also a SiSrHg chemically peculiar star.

0.15
A0
10941K

The red dot in the diagram below shows where HR4072 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4072. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4072 is distant 300.74 light years from the Sun

92.25
300.74
-0.008 arcsec/y
-0.022"/y

Alternative Designations

SAO15163
SAO15163

Visibility from Your Location

HR4072 is circumpolar and transits at 10:26 UTC (altitude: 76.0°)