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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:08 
Transit: 13:06 
Sunset: 21:03
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Hydra » 

ξ Hydrae (xi Hydrae)

Below the horizon.  Rise: 14:06 | Tran: 16:38 | Set: 19:10
Alt: -57.44°   Az: 292.74°   Direction: West-North-West

ξ Hydrae is a double giant star of spectral class G7 in the constellation of Hydra.

ξ Hydrae visual magnitude is 3.54. Because of its moderate brightness, ξ 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.

Image of ξ Hydrae (xi Hydrae) star
DSS2 image of ξ Hydrae. The red arrow shows the motion of ξ Hydrae during the next 1000 years (-3.43 arcmin in Right Ascension and -0.67 arcmin in declination);

Celestial Coordinates

Apparent

11h 34m 13s
-31° 59’ 36”
09h 36m 41s
21h 10m 54s

J2000

11h 33m 00s
-31° 51’ 28”

Galactic Coordinates

284.08°
28.13°

Finder Chart

Finder chart ξ Hydrae (xi Hydrae) star
Simplified finder chart for ξ Hydrae (xi Hydrae).

Magnitude, Color, Spectral Class

3.54
Giant

0.55
G7III
4892K

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

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

Star System Properties

ξ Hydrae 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 ξ Hydrae double sysyem:

3.54
10.54
7
68.2 arcsec

Distance, Radial Speed, Proper Motion

ξ Hydrae is distant 129.21 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

39.64
129.21
-5 km/s
-0.206 arcsec/y
-0.04"/y

Alternative Designations

ξ Hydrae
(xi Hydrae)
SAO202558
SAO202558

Visibility from Your Location

Today's ξ Hydrae (xi Hydrae) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 122.0°
Max altitude: 6.5°
Azimuth: 238.0°