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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:27 
Transit: 12:14 
Sunset: 17:01
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All Constellations » Hydra » 

9 Hydrae

Below the horizon.  Rise: 18:51 | Tran: 23:25 | Set: 4:03
Alt: -17.33°   Az: 94.17°   Direction: East

9 Hydrae is a double giant star of spectral class G9 in the constellation of Hydra.

9 Hydrae visual magnitude is 4.88. Because of its moderate brightness, 9 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 9 Hydrae star
DSS2 image of 9 Hydrae. The red arrow shows the motion of 9 Hydrae during the next 1000 years (0.02 arcmin in Right Ascension and -1.63 arcmin in declination);

Celestial Coordinates

Apparent

08h 42m 53s
-16° 02’ 03”
17h 28m 36s
02h 11m 29s

J2000

08h 41m 43s
-15° 56’ 35”

Galactic Coordinates

240.63°
15.71°

Finder Chart

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Finder chart for 9 Hydrae.

Magnitude, Color, Spectral Class

4.88
Giant

0.90
G9III
4603K

The red dot in the diagram below shows where 9 Hydrae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 9 Hydrae. Attribution: Richard Powell / CC BY-SA

Star System Properties

9 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 9 Hydrae double sysyem:

4.88
11.68
6.8
31 arcsec

Distance, Radial Speed, Proper Motion

9 Hydrae is distant 204.01 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

62.58
204.01
-2 km/s
0.001 arcsec/y
-0.098"/y

Alternative Designations

SAO154552
SAO154552

Visibility from Your Location

Today's 9 Hydrae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 106.0°
Max altitude: 22.5°
Azimuth: 254.0°