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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:38  
clear_day Transit: 11:46  
SunsetSet: 15:54 south
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All Constellations » Libra » 

Zubenelhakrabi - γ Librae (gamma Librae)

Altitude: -25.9°   Azimuth: 278.9°   Direction: West

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

Zubenelhakrabi visual magnitude is 3.91. Because of its moderate brightness, Zubenelhakrabi should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about Zubenelhakrabi:

3.91
Giant

Zubenelhakrabi - γ Librae (gamma Librae) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -25.9°
Azimuth: 278.9°
Direction: West

Celestial coordinates and finder chart of Zubenelhakrabi

Zubenelhakrabi is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Zubenelhakrabi are provided in the following table:

15h 35m 31s
-14° 47’ 21”
351.51°
32.2°
Libra

The simplified sky map below shows the position of Zubenelhakrabi in the sky:

Finder chart Zubenelhakrabi - γ Librae (gamma Librae) star
Simplified finder chart for Zubenelhakrabi - γ Librae (gamma Librae).

Visibility of Zubenelhakrabi from your location

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

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

Azimuth: 104.8°
Max altitude: 23.7°
Azimuth: 255.2°

Digitized Sky Survey image of Zubenelhakrabi

The image below is a photograph of Zubenelhakrabi from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of Zubenelhakrabi is 0.065 arcsec per year in Right Ascension and 0.009 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

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);

Distance of Zubenelhakrabi from the Sun and relative movement

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.

46.69 pc
152.19 ly
-28 km/s
0.065 arcsec/year
0.009 arcsec/year

Spectral properties of Zubenelhakrabi

Zubenelhakrabi belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.

0.56
G8III
4719K

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

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

Zubenelhakrabi 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:

3.91
4.11
0.2
0.1 arcsec

Alternative designations of Zubenelhakrabi

Zubenelhakrabi
γ Librae
(gamma Librae)
SAO159370
SAO159370