HR4680

Above the horizon. Rise: 5:03 | Tran: 14:07 | Set: 23:11

Alt: 22.61° Az: 69.55° Direction: East-North-East

HR4680 is a giant star of spectral class A9 in the constellation of Coma Berenices.

HR4680 visual magnitude is 6.23. Because of its faintness, HR4680 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 HR4680. The red arrow shows the motion of HR4680 during the next 1000 years (1.28 arcmin in Right Ascension and -1.93 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 19m 45s

Declination +30° 06’ 43”

Hour Angle 17h 56m 35s

Sideral Time 06h 16m 21s

J2000

Right Ascension 12h 18m 31s

Declination +30° 14’ 57”

Galactic Coordinates

Galactic Longitude 187.6°

Galactic Latitude 82.14°

Finder Chart

Simplified finder chart for HR4680.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.23

Class Giant

Absolute magnitude 2.51

Spectral Type A9III

Color Index (B-V) 0.3

Temperature 7462K

The red dot in the diagram below shows where HR4680 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4680. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4680 is distant 180.51 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

Distance (parsec) 55.37

Distance (light year) 180.51

Radial Speed -18 km/s

Proper Motion RA 0.077 arcsec/y

Proper Motion Dec -0.116"/y

Alternative Designations

Henry Draper Catalogue HD107054

SAO Catalogue SAO62943

Hipparcos Catalogue HIP60018

Durchmusterung Catalogue BD+31 2350

FK5 Catalogue 2984

Visibility from Your Location

Today's HR4680 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 59.9° RISE 5:03

Max altitude: 68.6° TRANSIT 14:07

Azimuth: 300.1° SET 23:11

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

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Location

Other stars in Coma Berenices