HR4873

Below the horizon. Rise: 12:09 | Tran: 20:14 | Set: 4:22

Alt: -14.20° Az: 343.27° Direction: North-North-West

HR4873 is a hypergiant star of spectral class K0 in the constellation of Coma Berenices.

HR4873 visual magnitude is 6.43. Because of its faintness, HR4873 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 HR4873. The red arrow shows the motion of HR4873 during the next 1000 years (1.82 arcmin in Right Ascension and -1.15 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 51m 32s

Declination +22° 43’ 30”

Hour Angle 10h 49m 33s

Sidereal Time 23h 41m 05s

J2000

Right Ascension 12h 50m 17s

Declination +22° 51’ 47”

Galactic Coordinates

Galactic Longitude 299.36°

Galactic Latitude 85.73°

Finder Chart

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Finder chart for HR4873.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.43

Class Hypergiant

Absolute magnitude 0.80

Spectral Type K0III

Color Index (B-V) 1

Temperature 4743K

The red dot in the diagram below shows where HR4873 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4873. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4873 is distant 435.25 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

Distance (parsec) 133.51

Distance (light year) 435.25

Radial Speed 6 km/s

Proper Motion RA 0.109 arcsec/y

Proper Motion Dec -0.069"/y

Alternative Designations

Henry Draper Catalogue HD111591

SAO Catalogue SAO82523

Hipparcos Catalogue HIP62653

Durchmusterung Catalogue BD+23 2502

Visibility from Your Location

Today's HR4873 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 67.3° RISE 12:09

Max altitude: 61.2° TRANSIT 20:14

Azimuth: 292.7° SET 4:22

Set Location

Other stars in Coma Berenices