θ Octantis (theta Octantis)
θ Octantis is a giant star in the constellation of Octans.
θ Octantis visual magnitude is 4.78. Because of its moderate brightness, θ Octantis should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.
The proper motion of θ Octantis is -0.063 arcsec per year in Right Ascension and -0.177 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Key facts about θ Octantis
θ Octantis (theta Octantis) is below the horizon from Greenwich, United Kingdom .
Altitude: -41.8°
Azimuth: 167.4°
Direction: South-South-East
Celestial coordinates and finder chart of θ Octantis
θ 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 θ Octantis are provided in the following table:
The simplified sky map below shows the position of θ Octantis in the sky:
Visibility of θ Octantis from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
θ Octantis (theta Octantis) is currently not visible from Greenwich, United Kingdom
Distance of θ Octantis from the Sun and relative movement
θ Octantis is distant 220.72 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.
Spectral properties of θ Octantis
θ Octantis belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where θ Octantis is situated in the Hertzsprung–Russell diagram.
