Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:34  ☀️ Transit: 13:02  🌅 Sunset: 19:31

γ Tucanae (gamma Tucanae)

γ Tucanae is a giant star in the constellation of Tucana.

γ Tucanae visual magnitude is 3.99. Because of its moderate brightness, γ Tucanae should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about γ Tucanae:

γ Tucanae (gamma Tucanae) is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of γ Tucanae

γ Tucanae is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of γ Tucanae are provided in the following table:

23h 17m 25s
-58° 14’ 08”

The simplified sky map below shows the position of γ Tucanae in the sky:

Finder chart γ Tucanae (gamma Tucanae) star
Simplified finder chart for γ Tucanae (gamma Tucanae).

Visibility of γ Tucanae from your location

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

γ Tucanae (gamma Tucanae) is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of γ Tucanae

The image below is a photograph of γ Tucanae from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of γ Tucanae is -0.029 arcsec per year in Right Ascension and 0.079 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of γ Tucanae (gamma Tucanae) star
DSS2 image of γ Tucanae. The red arrow shows the motion of γ Tucanae during the next 10000 years (-4.83 arcmin in Right Ascension and 13.17 arcmin in declination);

Distance of γ Tucanae from the Sun and relative movement

γ Tucanae is distant 71.81 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

22.03 pc
71.81 ly
18 km/s
-0.029 arcsec/year
0.079 arcsec/year

Spectral properties of γ Tucanae

γ Tucanae belongs to spectral class F1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where γ Tucanae is situated in the Hertzsprung–Russell diagram.

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

Alternative designations of γ Tucanae

γ Tucanae
(gamma Tucanae)