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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:10 
Transit: 12:13 
Sunset: 17:18
wb_twilight   (Civil Twilight)  
What's Visible Now • Tonight Timeline
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All Constellations » Libra » 

υ Librae (upsilon Librae)

Above the horizon.  Rise: 2:39 | Tran: 5:48 | Set: 8:58
Alt: 8.68°   Az: 196.32°   Direction: South-South-West

υ Librae is a double giant star of spectral class K3 in the constellation of Libra.

υ Librae visual magnitude is 3.58. Because of its moderate brightness, υ 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 υ Librae (upsilon Librae) star
DSS2 image of υ Librae. The red arrow shows the motion of υ Librae during the next 100000 years (-15.00 arcmin in Right Ascension and 5.00 arcmin in declination);

Celestial Coordinates

Apparent

15h 38m 33s
-28° 12’ 58”
01h 13m 30s
16h 52m 04s

J2000

15h 37m 01s
-28° 08’ 06”

Galactic Coordinates

341.89°
21.94°

Finder Chart

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Finder chart for υ Librae (upsilon Librae).

Magnitude, Color, Spectral Class

3.58
Giant

-0.30
K3III
3983K

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

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

Star System Properties

υ Librae 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 υ Librae double sysyem:

3.58
10.58
7
3.5 arcsec

Distance, Radial Speed, Proper Motion

υ Librae is distant 194.51 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

59.67
194.51
-25 km/s
-0.009 arcsec/y
0.003"/y

Alternative Designations

υ Librae
(upsilon Librae)
SAO183619
SAO183619

Visibility from Your Location

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

Azimuth: 118.2°
Max altitude: 10.3°
Azimuth: 241.8°