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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:44 
Transit: 12:59 
Sunset: 21:15
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All Constellations » Hydra » 

χ1 Hydrae (chi1 Hydrae)

Below the horizon.  Rise: 15:25 | Tran: 18:41 | Set: 21:57
Alt: -7.44°   Az: 234.42°   Direction: South-West

χ1 Hydrae is a double sub-giant star of spectral class F3 in the constellation of Hydra.

χ1 Hydrae visual magnitude is 4.94. Because of its moderate brightness, χ1 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 χ1 Hydrae (chi1 Hydrae) star
DSS2 image of χ1 Hydrae. The red arrow shows the motion of χ1 Hydrae during the next 1000 years (-3.13 arcmin in Right Ascension and -0.07 arcmin in declination);

Celestial Coordinates

Apparent

11h 06m 34s
-27° 25’ 52”
04h 21m 15s
15h 27m 49s

J2000

11h 05m 19s
-27° 17’ 36”

Galactic Coordinates

275.69°
29.91°

Finder Chart

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Finder chart for χ1 Hydrae (chi1 Hydrae).

Magnitude, Color, Spectral Class

4.94
Sub-giant

1.75
F3IV
7101K

The red dot in the diagram below shows where χ1 Hydrae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of χ1 Hydrae. Attribution: Richard Powell / CC BY-SA

Star System Properties

χ1 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 χ1 Hydrae double sysyem:

4.94
5.04
0.1
0.2 arcsec

Distance, Radial Speed, Proper Motion

χ1 Hydrae is distant 141.86 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

43.52
141.86
17 km/s
-0.188 arcsec/y
-0.004"/y

Alternative Designations

χ1 Hydrae
(chi1 Hydrae)
SAO179514
SAO179514
NN 3642 A

Visibility from Your Location

Today's χ1 Hydrae (chi1 Hydrae) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 117.4°
Max altitude: 11.1°
Azimuth: 242.6°