HR4991

Above the horizon. Rise: 12:41 | Tran: 18:39 | Set: 0:40

Alt: 4.70° Az: 226.54° Direction: South-West

HR4991 is a giant star of spectral class K4 in the constellation of Centaurus.

HR4991 visual magnitude is 6.16. Because of its faintness, HR4991 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 HR4991. The red arrow shows the motion of HR4991 during the next 1000 years (-2.83 arcmin in Right Ascension and 0.47 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 13h 15m 26s

Declination -43° 16’ 24”

Hour Angle 05h 33m 58s

Sidereal Time 18h 49m 24s

J2000

Right Ascension 13h 13m 57s

Declination -43° 08’ 20”

Galactic Coordinates

Galactic Longitude 307.29°

Galactic Latitude 19.54°

Finder Chart

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Finder chart for HR4991.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.16

Class Giant

Absolute magnitude 1.00

Spectral Type K4III

Color Index (B-V) 1.38

Temperature 3983K

The red dot in the diagram below shows where HR4991 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4991. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4991 is distant 350.91 light years from the Sun and it is moving far from the Sun at the speed of 30 kilometers per second.

Distance (parsec) 107.64

Distance (light year) 350.91

Radial Speed 30 km/s

Proper Motion RA -0.17 arcsec/y

Proper Motion Dec 0.028"/y

Alternative Designations

Henry Draper Catalogue HD114873

SAO Catalogue SAO223989

Hipparcos Catalogue HIP64557

Durchmusterung Catalogue CD-42 8213

Visibility from Your Location

Today's HR4991 rise, transit and set times from Cayambe, Ecuador are the following (all times relative to the local timezone America/Guayaquil):

Azimuth: 133.3° RISE 12:41

Max altitude: 46.7° TRANSIT 18:39

Azimuth: 226.7° SET 0:40

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

Set Location

Other stars in Centaurus