28 Librae

Below the horizon. Rise: 12:05 | Tran: 16:26 | Set: 20:46

Alt: -56.74° Az: 2.79° Direction: North

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

28 Librae visual magnitude is 6.17. Because of its faintness, 28 Librae is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of 28 Librae. The red arrow shows the motion of 28 Librae during the next 10000 years (-1.83 arcmin in Right Ascension and -10.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 22m 18s

Declination -18° 14’ 46”

Hour Angle 12h 06m 27s

Sideral Time 03h 28m 45s

J2000

Right Ascension 15h 20m 53s

Declination -18° 09’ 30”

Galactic Coordinates

Galactic Longitude 345.78°

Galactic Latitude 32.01°

Finder Chart

Simplified finder chart for 28 Librae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.17

Class Giant

Absolute magnitude -0.26

Spectral Type G8III

Color Index (B-V) 1.02

Temperature 4695K

The red dot in the diagram below shows where 28 Librae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 28 Librae. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

28 Librae is distant 630.56 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

Distance (parsec) 193.42

Distance (light year) 630.56

Radial Speed 3 km/s

Proper Motion RA -0.011 arcsec/y

Proper Motion Dec -0.061"/y

Alternative Designations

Flamsteed designation 28 Librae

Henry Draper Catalogue HD136366

SAO Catalogue SAO159187

Hipparcos Catalogue HIP75110

Durchmusterung Catalogue BD-17 4312

Visibility from Your Location

Today's 28 Librae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.2° RISE 12:05

Max altitude: 20.3° TRANSIT 16:26

Azimuth: 251.8° SET 20:46

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Libra