τ1 Hydrae (tau1 Hydrae)
τ1 Hydrae is a double main-sequence star of spectral class F6 in the constellation of Hydra.
τ1 Hydrae visual magnitude is 4.6. Because of its moderate brightness, τ1 Hydrae is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
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Finder chart for τ1 Hydrae (tau1 Hydrae).
Magnitude, Color, Spectral Class

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

Star System Properties
τ1 Hydrae is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the τ1 Hydrae double sysyem:
Distance, Radial Speed, Proper Motion
τ1 Hydrae is distant 55.75 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's τ1 Hydrae (tau1 Hydrae) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):