HR4945

Above the horizon. Circumpolar today

Alt: 10.78° Az: 336.81° Direction: North-North-West

HR4945 is a double giant star of spectral class K1 in the constellation of Canes Venatici.

HR4945 visual magnitude is 5.63. Because of its faintness, HR4945 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 HR4945. The red arrow shows the motion of HR4945 during the next 10000 years (-2.00 arcmin in Right Ascension and 4.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 13h 07m 00s

Declination +45° 07’ 59”

Hour Angle 09h 46m 58s

Sidereal Time 22h 53m 59s

J2000

Right Ascension 13h 05m 52s

Declination +45° 16’ 06”

Galactic Coordinates

Galactic Longitude 114.85°

Galactic Latitude 71.63°

Finder Chart

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Finder chart for HR4945.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.63

Class Giant

Absolute magnitude -0.22

Spectral Type K1III

Color Index (B-V) 1.13

Temperature 4451K

The red dot in the diagram below shows where HR4945 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4945. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4945 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR4945 double sysyem:

Main star magnitude 5.63

Secondary star magnitude 11.03

Magnitude difference 5.4

Separation 2.9 arcsec

Distance, Radial Speed, Proper Motion

HR4945 is distant 482.96 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

Distance (parsec) 148.15

Distance (light year) 482.96

Radial Speed -20 km/s

Proper Motion RA -0.012 arcsec/y

Proper Motion Dec 0.028"/y

Alternative Designations

Henry Draper Catalogue HD113847

SAO Catalogue SAO44465

Hipparcos Catalogue HIP63916

Durchmusterung Catalogue BD+46 1847

FK5 Catalogue 1338

Aitken Double Star Catalogue ADS8775

Visibility from Your Location

HR4945 is circumpolar and transits at 21:11 UTC (altitude: 83.7°)

Set Location

Other stars in Canes Venatici