ψ Octantis (psi Octantis)

Below the horizon. Never rises today

Alt: -40.22° Az: 188.23° Direction: South

ψ Octantis is a giant star of spectral class F3 in the constellation of Octans.

ψ Octantis visual magnitude is 5.51. Because of its faintness, ψ Octantis 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 ψ Octantis. The red arrow shows the motion of ψ Octantis during the next 10000 years (-6.83 arcmin in Right Ascension and 1.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 20m 14s

Declination -77° 22’ 59”

Hour Angle 02h 00m 03s

Sidereal Time 00h 20m 17s

J2000

Right Ascension 22h 17m 50s

Declination -77° 30’ 42”

Galactic Coordinates

Galactic Longitude 312.56°

Galactic Latitude -36.59°

Finder Chart

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Finder chart for ψ Octantis (psi Octantis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.51

Class Giant

Absolute magnitude 2.58

Spectral Type F3III

Color Index (B-V) 0.31

Temperature 7399K

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

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

Distance, Radial Speed, Proper Motion

ψ Octantis is distant 125.38 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

Distance (parsec) 38.46

Distance (light year) 125.38

Radial Speed 17 km/s

Proper Motion RA -0.041 arcsec/y

Proper Motion Dec 0.011"/y

Alternative Designations

Bayer designation ψ Octantis
(psi Octantis)

Henry Draper Catalogue HD210853

SAO Catalogue SAO258020

Hipparcos Catalogue HIP110078

Durchmusterung Catalogue CP-78 1442

FK5 Catalogue 3779

Visibility from Your Location

ψ Octantis (psi Octantis) is currently not visible from Greenwich, UK

In Evidence

Other stars in Octans

ψ Octantis (psi Octantis)

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 Octans

ψ Octantis (psi Octantis)

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location