HR4831

Below the horizon. Rise: 12:09 | Tran: 18:07 | Set: 0:09

Alt: -0.92° Az: 221.04° Direction: South-West

HR4831 is a hypergiant star of spectral class K0 in the constellation of Centaurus.

HR4831 visual magnitude is 4.66. Because of its moderate brightness, HR4831 is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of HR4831. The red arrow shows the motion of HR4831 during the next 1000 years (-2.12 arcmin in Right Ascension and -0.53 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 44m 01s

Declination -48° 57’ 09”

Hour Angle 06h 05m 24s

Sidereal Time 18h 49m 25s

J2000

Right Ascension 12h 42m 35s

Declination -48° 48’ 47”

Galactic Coordinates

Galactic Longitude 301.43°

Galactic Latitude 14.03°

Finder Chart

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Finder chart for HR4831.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.66

Class Hypergiant

Absolute magnitude 0.85

Spectral Type K0III

Color Index (B-V) 1.09

Temperature 4537K

The red dot in the diagram below shows where HR4831 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4831. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4831 is distant 188.33 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

Distance (parsec) 57.77

Distance (light year) 188.33

Radial Speed -12 km/s

Proper Motion RA -0.127 arcsec/y

Proper Motion Dec -0.032"/y

Alternative Designations

Henry Draper Catalogue HD110458

SAO Catalogue SAO223614

Hipparcos Catalogue HIP62012

Durchmusterung Catalogue CD-48 7608

Visibility from Your Location

Today's HR4831 rise, transit and set times from Cayambe, Ecuador are the following (all times relative to the local timezone America/Guayaquil):

Azimuth: 139.0° RISE 12:09

Max altitude: 41.0° TRANSIT 18:07

Azimuth: 221.0° SET 0:09

Name:	Cayambe, Ecuador
Latitude:	0° 2' 27.0" N
Longitude:	78° 8' 42.7" W
Timezone:	America/Guayaquil

Set Location

Other stars in Centaurus