HR4705

Above the horizon. Rise: 3:27 | Tran: 11:45 | Set: 20:03

Alt: 6.44° Az: 57.87° Direction: East-North-East

HR4705 is a hypergiant star of spectral class A0 in the constellation of Coma Berenices.

HR4705 visual magnitude is 6.19. Because of its faintness, HR4705 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 HR4705. The red arrow shows the motion of HR4705 during the next 10000 years (-10.33 arcmin in Right Ascension and -1.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 23m 25s

Declination +24° 38’ 11”

Hour Angle 16h 31m 09s

Sidereal Time 04h 54m 34s

J2000

Right Ascension 12h 22m 10s

Declination +24° 46’ 26”

Galactic Coordinates

Galactic Longitude 231°

Galactic Latitude 83.02°

Finder Chart

Simplified finder chart for HR4705.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.19

Class Hypergiant

Absolute magnitude 1.18

Spectral Type A0V

Color Index (B-V) -0.01

Temperature 10252K

The red dot in the diagram below shows where HR4705 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4705. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4705 is distant 326.98 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 100.30

Distance (light year) 326.98

Radial Speed -4 km/s

Proper Motion RA -0.062 arcsec/y

Proper Motion Dec -0.008"/y

Alternative Designations

Henry Draper Catalogue HD107655

SAO Catalogue SAO82271

Hipparcos Catalogue HIP60327

Durchmusterung Catalogue BD+25 2498

Visibility from Your Location

Today's HR4705 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.4° RISE 3:27

Max altitude: 63.2° TRANSIT 11:45

Azimuth: 294.6° SET 20:03

Set Location

Other stars in Coma Berenices