HR3939
Above the horizon.
Circumpolar today
Alt: 19.84°
Az: 13.26°
Direction: North-North-East
HR3939 is a giant star of spectral class K5 in the constellation of Ursa Major.
HR3939 visual magnitude is 5.48. Because of its faintness, HR3939 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.
DSS2 image of HR3939. The red arrow shows the motion of HR3939 during the next
10000 years (-4.83 arcmin in Right Ascension and -4.33 arcmin in declination);
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
Simplified finder chart for HR3939.
Magnitude, Color, Spectral Class
Simplified finder chart for HR3939.
The red dot in the diagram below shows where HR3939 is situated in the Hertzsprung–Russell diagram.
H-R diagram showing the position of HR3939.
Attribution: Richard Powell / CC BY-SA
Distance, Radial Speed, Proper Motion
HR3939 is distant 510.17 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.
Alternative Designations
Visibility from Your Location
HR3939 is circumpolar and transits at 10:18 UTC (altitude: 84.8°)