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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:43 
Transit: 13:00 
Sunset: 21:18
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All Constellations » Hydrus » 

τ2 Hydri (tau2 Hydri)

Below the horizon.  Never rises today
Alt: -57.10°   Az: 194.13°   Direction: South-South-West

τ2 Hydri is a double hypergiant star of spectral class F0 in the constellation of Hydrus.

τ2 Hydri visual magnitude is 6.06. Because of its faintness, τ2 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.

Image of τ2 Hydri (tau2 Hydri) star
DSS2 image of τ2 Hydri. The red arrow shows the motion of τ2 Hydri during the next 10000 years (-12.33 arcmin in Right Ascension and -11.83 arcmin in declination);

Celestial Coordinates

Apparent

01h 47m 36s
-80° 03’ 01”
08h 39m 32s
10h 27m 08s

J2000

01h 47m 46s
-80° 10’ 36”

Galactic Coordinates

299.96°
-36.63°

Finder Chart

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Finder chart for τ2 Hydri (tau2 Hydri).

Magnitude, Color, Spectral Class

6.06
Hypergiant

2.10
F0IV
7217K

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

HR Diagram
H-R diagram showing the position of τ2 Hydri. Attribution: Richard Powell / CC BY-SA

Star System Properties

τ2 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 τ2 Hydri double sysyem:

6.06
13.46
7.4
39.7 arcsec

Distance, Radial Speed, Proper Motion

τ2 Hydri is distant 202.11 light years from the Sun and it is moving far from the Sun at the speed of 30 kilometers per second.

62.00
202.11
30 km/s
-0.074 arcsec/y
-0.071"/y

Alternative Designations

τ2 Hydri
(tau2 Hydri)
SAO258280
SAO258280

Visibility from Your Location

τ2 Hydri (tau2 Hydri) is currently not visible from Greenwich, UK