τ3 Gruis (tau3 Gruis)

τ3 Gruis is a star in the constellation of Grus.

τ3 Gruis visual magnitude is 5.7. Because of its reltive faintness, τ3 Gruis should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about τ3 Gruis:

Celestial coordinates and finder chart of τ3 Gruis

τ3 Gruis 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 τ3 Gruis are provided in the following table:

The simplified sky map below shows the position of τ3 Gruis in the sky:

Visibility of τ3 Gruis from your location

τ3 Gruis (tau3 Gruis) is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of τ3 Gruis

The image below is a photograph of τ3 Gruis from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of τ3 Gruis is -0.028 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Distance of τ3 Gruis from the Sun and relative movement

τ3 Gruis is distant 272.12 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

Spectral properties of τ3 Gruis

τ3 Gruis belongs to spectral class A τ3 Gruis is also a so called metallic star.

The red dot in the diagram below shows where τ3 Gruis is situated in the Hertzsprung–Russell diagram.

Alternative designations of τ3 Gruis