HR4919

Above the horizon. Circumpolar today

Alt: 34.73° Az: 302.38° Direction: West-North-West

HR4919 is a hypergiant star of spectral class K0 in the constellation of Canes Venatici.

HR4919 visual magnitude is 6.12. Because of its faintness, HR4919 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 HR4919. The red arrow shows the motion of HR4919 during the next 10000 years (-3.67 arcmin in Right Ascension and -7.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 58m 17s

Declination +46° 02’ 21”

Hour Angle 05h 56m 33s

Sidereal Time 18h 54m 50s

J2000

Right Ascension 12h 57m 07s

Declination +46° 10’ 36”

Galactic Coordinates

Galactic Longitude 119.92°

Galactic Latitude 70.92°

Finder Chart

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Finder chart for HR4919.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.12

Class Hypergiant

Absolute magnitude 1.00

Spectral Type K0III

Color Index (B-V) 1.01

Temperature 4719K

The red dot in the diagram below shows where HR4919 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4919. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4919 is distant 343.88 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

Distance (parsec) 105.49

Distance (light year) 343.88

Radial Speed 7 km/s

Proper Motion RA -0.022 arcsec/y

Proper Motion Dec -0.047"/y

Alternative Designations

Henry Draper Catalogue HD112570

SAO Catalogue SAO44398

Hipparcos Catalogue HIP63211

Durchmusterung Catalogue BD+46 1833

Visibility from Your Location

HR4919 is circumpolar and transits at 17:50 UTC (altitude: 84.6°)

Set Location

Other stars in Canes Venatici