ε Librae (epsilon Librae)

Above the horizon. Rise: 0:58 | Tran: 6:03 | Set: 11:08

Alt: 26.96° Az: 195.32° Direction: South-South-West

ε Librae is a sub-giant star of spectral class F5 in the constellation of Libra.

ε Librae visual magnitude is 4.94. Because of its moderate brightness, ε 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.

DSS2 image of ε Librae. The red arrow shows the motion of ε Librae during the next 1000 years (-1.12 arcmin in Right Ascension and -2.57 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 25m 33s

Declination -10° 24’ 35”

Hour Angle 00h 55m 24s

Sidereal Time 16h 20m 57s

J2000

Right Ascension 15h 24m 11s

Declination -10° 19’ 19”

Galactic Coordinates

Galactic Longitude 352.84°

Galactic Latitude 37.34°

Finder Chart

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Finder chart for ε Librae (epsilon Librae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.94

Class Sub-giant

Absolute magnitude 2.39

Spectral Type F5IV

Color Index (B-V) 0.44

Temperature 6674K

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

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

Distance, Radial Speed, Proper Motion

ε Librae is distant 105.50 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 32.36

Distance (light year) 105.50

Radial Speed -10 km/s

Proper Motion RA -0.067 arcsec/y

Proper Motion Dec -0.154"/y

Alternative Designations

Bayer designation ε Librae
(epsilon Librae)

Flamsteed designation 31 Librae

Henry Draper Catalogue HD137052

SAO Catalogue SAO159234

Hipparcos Catalogue HIP75379

Durchmusterung Catalogue BD-09 4138

Visibility from Your Location

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

Azimuth: 100.4° RISE 0:58

Max altitude: 28.1° TRANSIT 6:03

Azimuth: 259.6° SET 11:08

Set Location

Other stars in Libra