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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 » 

HR4340

Above the horizon.  Circumpolar today
Alt: 33.34°   Az: 343.20°   Direction: North-North-West

HR4340 is a variable main-sequence star of spectral class A3 in the constellation of Ursa Major.

HR4340 visual magnitude is 6.4. Because of its faintness, HR4340 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 HR4340 star
DSS2 image of HR4340. The red arrow shows the motion of HR4340 during the next 10000 years (5.33 arcmin in Right Ascension and 1.67 arcmin in declination);

Celestial Coordinates

Apparent

11h 13m 45s
+68° 08’ 06”
09h 18m 16s
20h 32m 01s

J2000

11h 12m 11s
+68° 16’ 18”

Galactic Coordinates

135.92°
46.27°

Finder Chart

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  Loading map...
Finder chart for HR4340.

Magnitude, Color, Spectral Class

6.4
Main-sequence

1.58
A3V
10125K

The red dot in the diagram below shows where HR4340 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4340. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4340 is distant 299.91 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

92.00
299.91
-18 km/s
0.032 arcsec/y
0.01"/y

Alternative Designations

SAO15431
SAO15431

Visibility from Your Location

HR4340 is circumpolar and transits at 02:03 UTC (altitude: 73.3°)