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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:01 
Transit: 12:56 
Sunset: 20:52
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All Constellations » Libra » 

θ Librae (theta Librae)

Below the horizon.  Rise: 20:26 | Tran: 0:55 | Set: 5:29
Alt: -14.96°   Az: 98.32°   Direction: East

θ Librae is a giant star of spectral class G8 in the constellation of Libra.

θ Librae visual magnitude is 4.15. Because of its moderate brightness, θ 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 θ Librae (theta Librae) star
DSS2 image of θ Librae. The red arrow shows the motion of θ Librae during the next 1000 years (1.65 arcmin in Right Ascension and 2.22 arcmin in declination);

Celestial Coordinates

Apparent

15h 55m 16s
-16° 48’ 10”
17h 47m 42s
09h 42m 58s

J2000

15h 53m 49s
-16° 43’ 45”

Galactic Coordinates

353.54°
27.72°

Finder Chart

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Finder chart for θ Librae (theta Librae).

Magnitude, Color, Spectral Class

4.15
Giant

0.66
G8III
4695K

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

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

Distance, Radial Speed, Proper Motion

θ Librae is distant 162.84 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

49.95
162.84
3 km/s
0.099 arcsec/y
0.133"/y

Alternative Designations

θ Librae
(theta Librae)
SAO159563
SAO159563

Visibility from Your Location

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

Azimuth: 106.8°
Max altitude: 21.7°
Azimuth: 253.2°