φ Centauri (phi Centauri)

Below the horizon. Never rises today

Alt: -16.43° Az: 221.02° Direction: South-West

φ Centauri is a variable sub-giant star of spectral class B2 in the constellation of Centaurus.

φ Centauri visual magnitude is 3.83. Because of its moderate brightness, φ Centauri 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 φ Centauri. The red arrow shows the motion of φ Centauri during the next 10000 years (-4.00 arcmin in Right Ascension and -3.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 13h 59m 49s

Declination -42° 13’ 25”

Hour Angle 03h 52m 52s

Sidereal Time 17h 52m 41s

J2000

Right Ascension 13h 58m 16s

Declination -42° 06’ 02”

Galactic Coordinates

Galactic Longitude 315.98°

Galactic Latitude 19.07°

Finder Chart

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Finder chart for φ Centauri (phi Centauri).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 3.83

Class Sub-giant

Absolute magnitude -1.94

Spectral Type B2IV

Color Index (B-V) -0.21

Temperature 13831K

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

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

Distance, Radial Speed, Proper Motion

φ Centauri is distant 465.05 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

Distance (parsec) 142.65

Distance (light year) 465.05

Radial Speed 6 km/s

Proper Motion RA -0.024 arcsec/y

Proper Motion Dec -0.021"/y

Alternative Designations

Bayer designation φ Centauri
(phi Centauri)

Henry Draper Catalogue HD121743

SAO Catalogue SAO224577

Hipparcos Catalogue HIP68245

Durchmusterung Catalogue CD-41 8329

General Catalogue of Variable Stars 6509

Visibility from Your Location

φ Centauri (phi Centauri) is currently not visible from Greenwich, UK

Set Location

Other stars in Centaurus