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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:44 
Transit: 13:02 
Sunset: 21:19
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All Constellations » Hydrus » 

σ Hydri (sigma Hydri)

Below the horizon.  Never rises today
Alt: -61.26°   Az: 191.98°   Direction: South-West

σ Hydri is a sub-giant star of spectral class F5 in the constellation of Hydrus.

σ Hydri visual magnitude is 6.16. Because of its faintness, σ 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 σ Hydri (sigma Hydri) star
DSS2 image of σ Hydri. The red arrow shows the motion of σ Hydri during the next 1000 years (1.60 arcmin in Right Ascension and 1.00 arcmin in declination);

Celestial Coordinates

Apparent

01h 55m 49s
-78° 13’ 27”
10h 02m 53s
11h 58m 42s

J2000

01h 55m 50s
-78° 20’ 53”

Galactic Coordinates

298.84°
-38.26°

Finder Chart

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Finder chart for σ Hydri (sigma Hydri).

Magnitude, Color, Spectral Class

6.16
Sub-giant

3.08
F5IV
6674K

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

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

Distance, Radial Speed, Proper Motion

σ Hydri is distant 134.71 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

41.32
134.71
6 km/s
0.096 arcsec/y
0.06"/y

Alternative Designations

σ Hydri
(sigma Hydri)
SAO255835
SAO255835

Visibility from Your Location

σ Hydri (sigma Hydri) is currently not visible from Greenwich, UK