Zubenelhakrabi - γ Librae (gamma Librae)

Above the horizon. Rise: 19:29 | Tran: 0:42 | Set: 5:55

Alt: 38.49° Az: 177.54° Direction: South

Zubenelhakrabi, also designated as γ Librae (gamma Librae), is a multiple giant star of spectral class G8 in the constellation of Libra.

Zubenelhakrabi visual magnitude is 3.91. Because of its moderate brightness, Zubenelhakrabi 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 Zubenelhakrabi - γ Librae (gamma Librae) star

DSS2 image of Zubenelhakrabi. The red arrow shows the motion of Zubenelhakrabi during the next 10000 years (10.83 arcmin in Right Ascension and 1.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 36m 56s

Declination -14° 52’ 20”

Hour Angle 23h 52m 01s

Sidereal Time 15h 28m 58s

J2000

Right Ascension 15h 35m 31s

Declination -14° 47’ 21”

Galactic Coordinates

Galactic Longitude 351.51°

Galactic Latitude 32.2°

Finder Chart

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Finder chart for Zubenelhakrabi - γ Librae (gamma Librae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 3.91

Class Giant

Absolute magnitude 0.56

Spectral Type G8III

Color Index (B-V) 1.01

Temperature 4719K

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

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

Star System Properties

Zubenelhakrabi 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 Zubenelhakrabi double sysyem:

Main star magnitude 3.91

Secondary star magnitude 4.11

Magnitude difference 0.2

Separation 0.1 arcsec

Distance, Radial Speed, Proper Motion

Zubenelhakrabi is distant 152.19 light years from the Sun and it is moving towards the Sun at the speed of 28 kilometers per second.

Distance (parsec) 46.69

Distance (light year) 152.19

Radial Speed -28 km/s

Proper Motion RA 0.065 arcsec/y

Proper Motion Dec 0.009"/y

Alternative Designations

Proper Name Zubenelhakrabi

Bayer designation γ Librae
(gamma Librae)

Flamsteed designation 38 Librae

Henry Draper Catalogue HD138905

SAO Catalogue SAO159370

Hipparcos Catalogue HIP76333

Durchmusterung Catalogue BD-14 4237

Gliese Catalogue NN 3912

FK5 Catalogue 577

Aitken Double Star Catalogue ADS9704

Visibility from Your Location

Today's Zubenelhakrabi - γ Librae (gamma Librae) rise, transit and set times from Gainesville, United States are the following (all times relative to the local timezone America/Chicago):

Azimuth: 104.9° RISE 19:29

Max altitude: 38.5° TRANSIT 0:42

Azimuth: 255.1° SET 5:55

Name:	Gainesville, United States
Latitude:	36° 36' 11.2" N
Longitude:	92° 25' 41.5" W
Timezone:	America/Chicago

Set Location

Other stars in Libra