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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:07 
Transit: 12:56 
Sunset: 20:45
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All Constellations » Hydrus » 

α Hydri (alpha Hydri)

Below the horizon.  Never rises today
Alt: -45.94°   Az: 223.12°   Direction: South-West

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

α Hydri visual magnitude is 2.86. Because of its brightness, α Hydri is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Image of α Hydri (alpha Hydri) star
DSS2 image of α Hydri. The red arrow shows the motion of α Hydri during the next 1000 years (4.40 arcmin in Right Ascension and 0.45 arcmin in declination);

Celestial Coordinates

Apparent

01h 59m 33s
-61° 26’ 49”
06h 24m 13s
08h 23m 47s

J2000

01h 58m 46s
-61° 34’ 10”

Galactic Coordinates

289.45°
-53.76°

Finder Chart

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Finder chart for α Hydri (alpha Hydri).

Magnitude, Color, Spectral Class

2.86
Hypergiant

1.16
F0V
7591K

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

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

Distance, Radial Speed, Proper Motion

α Hydri is distant 71.27 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

21.86
71.27
1 km/s
0.264 arcsec/y
0.027"/y

Alternative Designations

α Hydri
(alpha Hydri)
SAO248474
SAO248474

Visibility from Your Location

α Hydri (alpha Hydri) is currently not visible from Greenwich, UK