Zubenelgenubi - α2 Librae (alpha2 Librae)
Zubenelgenubi, also designated as α2 Librae (alpha2 Librae), is a variable and multiple sub-giant star in the constellation of Libra.
Zubenelgenubi visual magnitude is 2.75. Thanks to its high brightness, Zubenelgenubi is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.
The table below summarizes the key facts about Zubenelgenubi:
Celestial coordinates and finder chart of Zubenelgenubi
Zubenelgenubi 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 Zubenelgenubi are provided in the following table:
The simplified sky map below shows the position of Zubenelgenubi in the sky:
Visibility of Zubenelgenubi from your location
Digitized Sky Survey image of Zubenelgenubi
The image below is a photograph of Zubenelgenubi 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 Zubenelgenubi is -0.106 arcsec per year in Right Ascension and -0.067 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of Zubenelgenubi from the Sun and relative movement
Zubenelgenubi is distant 77.16 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.
Spectral properties of Zubenelgenubi
Zubenelgenubi belongs to spectral class A3 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where Zubenelgenubi is situated in the Hertzsprung–Russell diagram.
Zubenelgenubi star system properties
Zubenelgenubi 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 Zubenelgenubi double sysyem: