θ Tucanae (theta Tucanae)

Above the horizon. Rise: 20:46 | Tran: 5:36 | Set: 14:22

Alt: 29.38° Az: 170.02° Direction: South

θ Tucanae is a variable sub-giant star of spectral class A7 in the constellation of Tucana.

θ Tucanae visual magnitude is 6.13. Because of its faintness, θ Tucanae 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 θ Tucanae. The red arrow shows the motion of θ Tucanae during the next 10000 years (11.17 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 00h 34m 26s

Declination -71° 07’ 32”

Hour Angle 22h 08m 37s

Sidereal Time 22h 43m 04s

J2000

Right Ascension 00h 33m 23s

Declination -71° 15’ 57”

Galactic Coordinates

Galactic Longitude 305.01°

Galactic Latitude -45.79°

Finder Chart

Loading map...

Finder chart for θ Tucanae (theta Tucanae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.13

Class Sub-giant

Absolute magnitude 0.24

Spectral Type A7IV

Color Index (B-V) 0.23

Temperature 7938K

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

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

Distance, Radial Speed, Proper Motion

θ Tucanae is distant 490.23 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

Distance (parsec) 150.38

Distance (light year) 490.23

Radial Speed 2 km/s

Proper Motion RA 0.067 arcsec/y

Proper Motion Dec -0.012"/y

Alternative Designations

Bayer designation θ Tucanae
(theta Tucanae)

Henry Draper Catalogue HD3112

SAO Catalogue SAO255679

Hipparcos Catalogue HIP2629

Durchmusterung Catalogue CP-71 20

FK5 Catalogue 2035

General Catalogue of Variable Stars The Tuc

Visibility from Your Location

Today's θ Tucanae (theta Tucanae) rise, transit and set times from Chirongui, Mayotte are the following (all times relative to the local timezone Indian/Mayotte):

Azimuth: 161.1° RISE 20:46

Max altitude: 31.8° TRANSIT 5:36

Azimuth: 198.9° SET 14:22

Name:	Chirongui, Mayotte
Latitude:	12° 55' 54.8" S
Longitude:	45° 8' 53.9" E
Timezone:	Indian/Mayotte

Set Location

Other stars in Tucana