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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?
All Constellations » Tucana » 

δ Tucanae (delta Tucanae)

Below the horizon.  Never rises today
Altitude: -26.8°   Azimuth: 185.8°   Direction: South

δ Tucanae is a variable and double main-sequence star of spectral class B9 in the constellation of Tucana.

δ Tucanae visual magnitude is 4.48. Because of its moderate brightness, δ Tucanae 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.

Celestial coordinates and finder chart of δ Tucanae

Finder chart δ Tucanae (delta Tucanae) star
Simplified finder chart for δ Tucanae (delta Tucanae).

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

22h 27m 20s
-64° 57’ 59”
323.87°
-45.87°
Tucana
Image of δ Tucanae (delta Tucanae) star
DSS2 image of δ Tucanae. The red arrow shows the motion of δ Tucanae during the next 10000 years (11.83 arcmin in Right Ascension and 0.50 arcmin in declination);

Key facts about δ Tucanae

4.48
Main-sequence

and has a luminosity class of V corresponding to a main-sequence star.

-0.09
B9V
10516K

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

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

δ Tucanae star system properties

δ Tucanae is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the δ Tucanae double sysyem:

4.48
8.98
4.5
6.9 arcsec

Distance of δ Tucanae from the Sun and relative movement

δ Tucanae is distant 266.99 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

81.90 pc
266.99 ly
12 km/s
0.071 arcsec/year
0.003 arcsec/year

Alternative designations of δ Tucanae

δ Tucanae
(delta Tucanae)
SAO255222
SAO255222

Visibility of δ Tucanae from your location

δ Tucanae (delta Tucanae) is currently not visible from Greenwich, UK