τ2 Aquarii (tau2 Aquarii)
τ2 Aquarii is a variable and double hypergiant star of spectral class M0 in the constellation of Aquarius.
τ2 Aquarii visual magnitude is 4.01. Because of its moderate brightness, τ2 Aquarii 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 τ2 Aquarii (tau2 Aquarii).
Magnitude, Color, Spectral Class

The red dot in the diagram below shows where τ2 Aquarii is situated in the Hertzsprung–Russell diagram.

Star System Properties
τ2 Aquarii is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the τ2 Aquarii double sysyem:
Distance, Radial Speed, Proper Motion
τ2 Aquarii is distant 379.95 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's τ2 Aquarii (tau2 Aquarii) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):