Tiaki - β Gruis (beta Gruis)

Below the horizon. Never rises today

Alt: -8.67° Az: 187.44° Direction: South

Tiaki, also designated as β Gruis (beta Gruis), is a variable giant star of spectral class M5 in the constellation of Grus.

Tiaki visual magnitude is 2.1, making it the 59th brightest star in the sky. Because of its brightness, Tiaki is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Image of Tiaki - β Gruis (beta Gruis) star

DSS2 image of Tiaki. The red arrow shows the motion of Tiaki during the next 1000 years (2.28 arcmin in Right Ascension and -0.13 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 44m 10s

Declination -46° 45’ 04”

Hour Angle 00h 43m 05s

Sidereal Time 23h 27m 15s

J2000

Right Ascension 22h 42m 40s

Declination -46° 53’ 04”

Galactic Coordinates

Galactic Longitude 346.27°

Galactic Latitude -57.95°

Finder Chart

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Finder chart for Tiaki - β Gruis (beta Gruis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 2.1

Class Giant

Absolute magnitude -1.49

Spectral Type M5III

Color Index (B-V) 1.6

Temperature 3649K

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

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

Distance, Radial Speed, Proper Motion

Tiaki is distant 170.06 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

Distance (parsec) 52.16

Distance (light year) 170.06

Radial Speed 2 km/s

Proper Motion RA 0.137 arcsec/y

Proper Motion Dec -0.008"/y

Alternative Designations

Proper Name Tiaki

Bayer designation β Gruis
(beta Gruis)

Henry Draper Catalogue HD214952

SAO Catalogue SAO231258

Hipparcos Catalogue HIP112122

Durchmusterung Catalogue CD-4714308

FK5 Catalogue 856

General Catalogue of Variable Stars Bet Gru

Visibility from Your Location

Tiaki - β Gruis (beta Gruis) is currently not visible from Greenwich, UK

Set Location

Other stars in Grus