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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:09 
Transit: 12:54 
Sunset: 20:41
sunny   (Daytime)   What's Visible Now?

φ Octantis (phi Octantis)

Altitude: -47.9°   Azimuth: 202.6°   Direction: South-South-West

φ Octantis is a hypergiant star in the constellation of Octans.

φ Octantis visual magnitude is 5.47. Because of its reltive faintness, φ Octantis should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of φ Octantis is -0.006 arcsec per year in Right Ascension and 0.03 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of φ Octantis (phi Octantis) star
DSS2 image of φ Octantis. The red arrow shows the motion of φ Octantis during the next 10000 years (-1.00 arcmin in Right Ascension and 5.00 arcmin in declination);

Key facts about φ Octantis

5.47
Hypergiant

φ Octantis (phi Octantis) is below the horizon from Greenwich, United Kingdom.

Altitude: -47.9°
Azimuth: 202.6°
Direction: South-South-West

Celestial coordinates and finder chart of φ Octantis

φ Octantis is situated close to the southern celestial pole and, as such, it is easilty visible for most part of the year from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of φ Octantis are provided in the following table:

18h 23m 36s
-75° 02’ 39”
319.27°
-24.38°
Octans

The simplified sky map below shows the position of φ Octantis in the sky:

Finder chart φ Octantis (phi Octantis) star
Simplified finder chart for φ Octantis (phi Octantis).

Visibility of φ Octantis from your location

Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

φ Octantis (phi Octantis) is currently not visible from Greenwich, United Kingdom

Distance of φ Octantis from the Sun and relative movement

φ Octantis is distant 196.50 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

60.28 pc
196.50 ly
5 km/s
-0.006 arcsec/year
0.03 arcsec/year

Spectral properties of φ Octantis

φ Octantis belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

1.57
A0V
9882K

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

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

Alternative designations of φ Octantis

φ Octantis
(phi Octantis)
SAO257584
SAO257584