HR4684

Above the horizon. Rise: 13:29 | Tran: 21:56 | Set: 6:28

Alt: 13.51° Az: 65.25° Direction: East-North-East

HR4684 is a variable sub-giant star of spectral class A5 in the constellation of Coma Berenices.

HR4684 visual magnitude is 6.48. Because of its faintness, HR4684 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 HR4684. The red arrow shows the motion of HR4684 during the next 10000 years (-0.67 arcmin in Right Ascension and -3.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 20m 18s

Declination +25° 52’ 01”

Hour Angle 17h 15m 40s

Sidereal Time 05h 35m 58s

J2000

Right Ascension 12h 19m 02s

Declination +26° 00’ 28”

Galactic Coordinates

Galactic Longitude 219.89°

Galactic Latitude 82.67°

Finder Chart

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Finder chart for HR4684.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.48

Class Sub-giant

Absolute magnitude 2.07

Spectral Type A5IV

Color Index (B-V) 0.18

Temperature 8321K

The red dot in the diagram below shows where HR4684 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4684. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4684 is distant 248.10 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

Distance (parsec) 76.10

Distance (light year) 248.10

Radial Speed 1 km/s

Proper Motion RA -0.004 arcsec/y

Proper Motion Dec -0.022"/y

Alternative Designations

Henry Draper Catalogue HD107131

SAO Catalogue SAO82237

Hipparcos Catalogue HIP60066

Durchmusterung Catalogue BD+26 2326

General Catalogue of Variable Stars FM Com

Visibility from Your Location

Today's HR4684 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 64.1° RISE 13:29

Max altitude: 64.4° TRANSIT 21:56

Azimuth: 295.9° SET 6:28

Set Location

Other stars in Coma Berenices