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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:21 
Transit: 12:14 
Sunset: 17:07
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All Constellations » Libra » 

κ Librae (kappa Librae)

Below the horizon.  Rise: 2:05 | Tran: 6:17 | Set: 10:28
Alt: -6.16°   Az: 114.23°   Direction: East-South-East

κ Librae is a variable and double hypergiant star of spectral class M0 in the constellation of Libra.

κ Librae visual magnitude is 4.74. Because of its moderate brightness, κ Librae 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 κ Librae (kappa Librae) star
DSS2 image of κ Librae. The red arrow shows the motion of κ Librae during the next 1000 years (-0.62 arcmin in Right Ascension and -1.72 arcmin in declination);

Celestial Coordinates

Apparent

15h 43m 23s
-19° 45’ 27”
19h 02m 14s
10h 45m 38s

J2000

15h 41m 56s
-19° 40’ 44”

Galactic Coordinates

348.94°
27.58°

Finder Chart

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Finder chart for κ Librae (kappa Librae).

Magnitude, Color, Spectral Class

4.74
Hypergiant

-0.70
M0III
3691K

The red dot in the diagram below shows where κ Librae is situated in the Hertzsprung–Russell diagram.

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

Star System Properties

κ Librae is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the κ Librae double sysyem:

4.74
9.74
5
172 arcsec

Distance, Radial Speed, Proper Motion

κ Librae is distant 399.51 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

122.55
399.51
-4 km/s
-0.037 arcsec/y
-0.103"/y

Alternative Designations

κ Librae
(kappa Librae)
SAO159442
SAO159442

Visibility from Your Location

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

Azimuth: 109.8°
Max altitude: 18.8°
Azimuth: 250.2°