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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:08 
Transit: 12:54 
Sunset: 20:42
sunny   (Daytime)   What's Visible Now?

υ Librae (upsilon Librae)

Altitude: -41.8°   Azimuth: 276.2°   Direction: West

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

υ Librae visual magnitude is 3.58. Because of its moderate brightness, υ Librae should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of υ Librae is -0.009 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

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);

Key facts about υ Librae

3.58
Giant

υ Librae (upsilon Librae) is below the horizon from Greenwich, United Kingdom.

Altitude: -41.8°
Azimuth: 276.2°
Direction: West

Celestial coordinates and finder chart of υ Librae

υ Librae is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of υ Librae are provided in the following table:

15h 37m 01s
-28° 08’ 06”
341.89°
21.94°
Libra

The simplified sky map below shows the position of υ Librae in the sky:

Finder chart υ Librae (upsilon Librae) star
Simplified finder chart for υ Librae (upsilon Librae).

Visibility of υ Librae from your location

Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

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

Azimuth: 118.1°
Max altitude: 10.4°
Azimuth: 241.9°

Distance of υ Librae from the Sun and relative movement

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 pc
194.51 ly
-25 km/s
-0.009 arcsec/year
0.003 arcsec/year

Spectral properties of υ Librae

υ Librae belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.

-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

υ Librae 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

Alternative designations of υ Librae

υ Librae
(upsilon Librae)
SAO183619
SAO183619