HR4989

Below the horizon. Never rises today

Alt: -33.00° Az: 213.97° Direction: South-West

HR4989 is a double sub-giant star of spectral class F7 in the constellation of Centaurus.

HR4989 visual magnitude is 4.92. Because of its moderate brightness, HR4989 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 HR4989. The red arrow shows the motion of HR4989 during the next 1000 years (-4.42 arcmin in Right Ascension and -2.62 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 13h 15m 51s

Declination -59° 14’ 16”

Hour Angle 04h 25m 28s

Sidereal Time 17h 41m 20s

J2000

Right Ascension 13h 14m 14s

Declination -59° 06’ 11”

Galactic Coordinates

Galactic Longitude 305.87°

Galactic Latitude 3.64°

Finder Chart

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Finder chart for HR4989.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.92

Class Sub-giant

Absolute magnitude 3.64

Spectral Type F7IV

Color Index (B-V) 0.48

Temperature 6481K

The red dot in the diagram below shows where HR4989 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4989. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4989 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR4989 double sysyem:

Main star magnitude 4.92

Secondary star magnitude 10.22

Magnitude difference 5.3

Separation 2.7 arcsec

Distance, Radial Speed, Proper Motion

HR4989 is distant 58.75 light years from the Sun and it is moving towards the Sun at the speed of 65 kilometers per second.

Distance (parsec) 18.02

Distance (light year) 58.75

Radial Speed -65 km/s

Proper Motion RA -0.265 arcsec/y

Proper Motion Dec -0.157"/y

Alternative Designations

Henry Draper Catalogue HD114837

SAO Catalogue SAO240666

Hipparcos Catalogue HIP64583

Durchmusterung Catalogue CP-58 4740

Gliese Catalogue Gl 503 A

Visibility from Your Location

HR4989 is currently not visible from Greenwich, UK

In Evidence

Other stars in Centaurus

HR4989

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Star System Properties

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location

Set Location

In Evidence

Other stars in Centaurus

HR4989

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Star System Properties

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location