Tiaki - β Gruis (beta Gruis)
Tiaki, also designated as β Gruis (beta Gruis), is a variable giant star in the constellation of Grus.
Tiaki visual magnitude is 2.1, making it the 60th brightest star in the sky. Thanks to its high brightness, Tiaki is clearly visible when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.
The proper motion of Tiaki is 0.137 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Key facts about Tiaki
Celestial coordinates and finder chart of Tiaki
Tiaki 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 Tiaki are provided in the following table:
The simplified sky map below shows the position of Tiaki in the sky:
Visibility of Tiaki from your location
Distance of Tiaki from the Sun and relative movement
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.
Spectral properties of Tiaki
Tiaki belongs to spectral class M5 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where Tiaki is situated in the Hertzsprung–Russell diagram.