β3 Tucanae (beta3 Tucanae)

Below the horizon. Never rises today

Alt: -52.15° Az: 135.46° Direction: South-East

β3 Tucanae is a double hypergiant star of spectral class A0 in the constellation of Tucana.

β3 Tucanae visual magnitude is 5.09. Because of its faintness, β3 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.

Image of β3 Tucanae (beta3 Tucanae) star

DSS2 image of β3 Tucanae. The red arrow shows the motion of β3 Tucanae during the next 10000 years (13.50 arcmin in Right Ascension and -6.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 00h 33m 50s

Declination -62° 53’ 40”

Hour Angle 16h 43m 21s

Sideral Time 17h 17m 12s

J2000

Right Ascension 00h 32m 43s

Declination -63° 01’ 51”

Galactic Coordinates

Galactic Longitude 306.54°

Galactic Latitude -53.97°

Finder Chart

Simplified finder chart for β3 Tucanae (beta3 Tucanae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.09

Class Hypergiant

Absolute magnitude 1.75

Spectral Type A0V

Color Index (B-V) 0.04

Temperature 9652K

The red dot in the diagram below shows where β3 Tucanae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of β3 Tucanae. Attribution: Richard Powell / CC BY-SA

Star System Properties

β3 Tucanae is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the β3 Tucanae double sysyem:

Main star magnitude 5.09

Secondary star magnitude 5.29

Magnitude difference 0.2

Separation 0.1 arcsec

Distance, Radial Speed, Proper Motion

β3 Tucanae is distant 151.49 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

Distance (parsec) 46.47

Distance (light year) 151.49

Radial Speed 5 km/s

Proper Motion RA 0.081 arcsec/y

Proper Motion Dec -0.038"/y

Alternative Designations

Bayer designation β3 Tucanae
(beta3 Tucanae)

Henry Draper Catalogue HD3003

SAO Catalogue SAO248208

Hipparcos Catalogue HIP2578

Durchmusterung Catalogue CP-63 52

Gliese Catalogue Wo 9015 A

Visibility from Your Location

β3 Tucanae (beta3 Tucanae) is currently not visible from Greenwich, UK

Set Location

Other stars in Tucana