σ1 Gruis (sigma1 Gruis)

σ1 Gruis is a main-sequence star in the constellation of Grus.

σ1 Gruis visual magnitude is 6.28. Because of its reltive faintness, σ1 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 σ1 Gruis:

Celestial coordinates and finder chart of σ1 Gruis

σ1 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 σ1 Gruis are provided in the following table:

The simplified sky map below shows the position of σ1 Gruis in the sky:

Visibility of σ1 Gruis from your location

σ1 Gruis (sigma1 Gruis) is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of σ1 Gruis

The image below is a photograph of σ1 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 σ1 Gruis is 0.048 arcsec per year in Right Ascension and -0.07 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Distance of σ1 Gruis from the Sun and relative movement

σ1 Gruis is distant 226.23 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

Spectral properties of σ1 Gruis

σ1 Gruis belongs to spectral class A3 and has a luminosity class of V corresponding to a main-sequence star.

The red dot in the diagram below shows where σ1 Gruis is situated in the Hertzsprung–Russell diagram.

Alternative designations of σ1 Gruis