φ Centauri (phi Centauri)

Below the horizon. Never rises today

Alt: -8.38° Az: 205.08° Direction: South-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 50s

Declination -42° 13’ 27”

Hour Angle 02h 17m 58s

Sidereal Time 16h 17m 48s

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

In Evidence

Other stars in Centaurus

φ Centauri (phi Centauri)

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location

Set Location

In Evidence

Other stars in Centaurus

φ Centauri (phi Centauri)

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location