β1 Tucanae (beta1 Tucanae)

Below the horizon. Never rises today

Alt: -68.09° Az: 134.79° Direction: South-East

β1 Tucanae is a multiple main-sequence star of spectral class B9 in the constellation of Tucana.

β1 Tucanae visual magnitude is 4.37. Because of its moderate brightness, β1 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.

Image of β1 Tucanae (beta1 Tucanae) star

DSS2 image of β1 Tucanae. The red arrow shows the motion of β1 Tucanae during the next 10000 years (15.00 arcmin in Right Ascension and -9.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 00h 32m 39s

Declination -62° 49’ 17”

Hour Angle 14h 21m 44s

Sideral Time 14h 54m 24s

J2000

Right Ascension 00h 31m 32s

Declination -62° 57’ 29”

Galactic Coordinates

Galactic Longitude 306.78°

Galactic Latitude -54.02°

Finder Chart

Simplified finder chart for β1 Tucanae (beta1 Tucanae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.37

Class Main-sequence

Absolute magnitude 1.21

Spectral Type B9V

Color Index (B-V) -0.07

Temperature 11092K

The red dot in the diagram below shows where β1 Tucanae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of β1 Tucanae. Attribution: Richard Powell / CC BY-SA

Star System Properties

β1 Tucanae is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the β1 Tucanae double sysyem:

Main star magnitude 4.37

Secondary star magnitude 4.57

Magnitude difference 0.2

Separation 27 arcsec

Distance, Radial Speed, Proper Motion

β1 Tucanae is distant 139.61 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

Distance (parsec) 42.83

Distance (light year) 139.61

Radial Speed 14 km/s

Proper Motion RA 0.09 arcsec/y

Proper Motion Dec -0.054"/y

Alternative Designations

Bayer designation β1 Tucanae
(beta1 Tucanae)

Henry Draper Catalogue HD2884

SAO Catalogue SAO248201

Hipparcos Catalogue HIP2484

Durchmusterung Catalogue CP-63 50

Visibility from Your Location

β1 Tucanae (beta1 Tucanae) is currently not visible from Greenwich, UK

Set Location

Other stars in Tucana