δ1 Gruis (delta1 Gruis)

δ1 Gruis is a variable and double giant star in the constellation of Grus.

δ1 Gruis visual magnitude is 3.97. Because of its moderate brightness, δ1 Gruis should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of δ1 Gruis is 0.028 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Key facts about δ1 Gruis

Celestial coordinates and finder chart of δ1 Gruis

δ1 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 δ1 Gruis are provided in the following table:

The simplified sky map below shows the position of δ1 Gruis in the sky:

Visibility of δ1 Gruis from your location

δ1 Gruis (delta1 Gruis) is currently not visible from Greenwich, United Kingdom

Distance of δ1 Gruis from the Sun and relative movement

δ1 Gruis is distant 295.56 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

Spectral properties of δ1 Gruis

δ1 Gruis belongs to spectral class G6 and has a luminosity class of III corresponding to a giant star.

The red dot in the diagram below shows where δ1 Gruis is situated in the Hertzsprung–Russell diagram.

δ1 Gruis star system properties

δ1 Gruis 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 δ1 Gruis double sysyem:

Alternative designations of δ1 Gruis