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public  Wushan, China Wushan, China  ⓘ
TimezoneAsia/Shanghai
Sunrise: 5:22 
Transit: 12:21 
Sunset: 19:20
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All Constellations » Hydra » 

λ Hydrae (lambda Hydrae)

Above the horizon.  Rise: 10:21 | Tran: 15:50 | Set: 21:20
Alt: 17.48°   Az: 115.98°   Direction: East-South-East

λ Hydrae is a multiple hypergiant star of spectral class K0 in the constellation of Hydra.

λ Hydrae visual magnitude is 3.61. Because of its moderate brightness, λ 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 λ Hydrae (lambda Hydrae) star
DSS2 image of λ Hydrae. The red arrow shows the motion of λ Hydrae during the next 1000 years (-3.37 arcmin in Right Ascension and -1.48 arcmin in declination);

Celestial Coordinates

Apparent

10h 11m 50s
-12° 28’ 49”
19h 54m 17s
06h 06m 08s

J2000

10h 10m 35s
-12° 21’ 15”

Galactic Coordinates

253.01°
34.5°

Finder Chart

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Finder chart for λ Hydrae (lambda Hydrae).

Magnitude, Color, Spectral Class

3.61
Hypergiant

0.88
K0III
4719K

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

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

Star System Properties

λ 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 λ Hydrae double sysyem:

3.61
11.31
7.7
112.2 arcsec

Distance, Radial Speed, Proper Motion

λ Hydrae is distant 114.63 light years from the Sun and it is moving far from the Sun at the speed of 19 kilometers per second.

35.16
114.63
19 km/s
-0.202 arcsec/y
-0.089"/y

Alternative Designations

λ Hydrae
(lambda Hydrae)
SAO155785
SAO155785

Visibility from Your Location

Today's λ Hydrae (lambda Hydrae) rise, transit and set times from Wushan, China are the following (all times relative to the local timezone Asia/Shanghai):

Azimuth: 102.5°
Max altitude: 48.1°
Azimuth: 257.5°