τ1 Hydri (tau1 Hydri)

τ1 Hydri is a double giant star of spectral class G6 in the constellation of Hydrus.

τ1 Hydri visual magnitude is 6.33. Because of its faintness, τ1 Hydri is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

The red dot in the diagram below shows where τ1 Hydri is situated in the Hertzsprung–Russell diagram.

Star System Properties

τ1 Hydri 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 τ1 Hydri double sysyem:

Distance, Radial Speed, Proper Motion

τ1 Hydri is distant 394.67 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

Alternative Designations

Visibility from Your Location

τ1 Hydri (tau1 Hydri) is currently not visible from Greenwich, UK