ξ1 Librae (xi1 Librae)

Altitude: -0.7° Azimuth: 108.4° Direction: East-South-East

ξ1 Librae is a giant star in the constellation of Libra.

ξ1 Librae visual magnitude is 5.8. Because of its reltive faintness, ξ1 Librae should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about ξ1 Librae:

Color of ξ1 Librae ⬤

Magnitude of ξ1 Librae 5.8

Class Giant

VISIBILITY RIGHT NOW

ξ1 Librae (xi1 Librae) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -0.7°
Azimuth: 108.4°
Direction: East-South-East

Celestial coordinates and finder chart of ξ1 Librae

ξ1 Librae 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 ξ1 Librae are provided in the following table:

Right Ascension J2000 14h 54m 22s

Declination J2000 -11° 53’ 53”

Galactic Longitude 344.34°

Galactic Latitude 40.88°

Constellation Libra

The simplified sky map below shows the position of ξ1 Librae in the sky:

Finder chart ξ1 Librae (xi1 Librae) star

Simplified finder chart for ξ1 Librae (xi1 Librae).

Visibility of ξ1 Librae 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 ξ1 Librae (xi1 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: 101.9° RISE 5:21

Max altitude: 26.6° TRANSIT 10:18

Azimuth: 258.1° SET 15:15

Digitized Sky Survey image of ξ1 Librae

The image below is a photograph of ξ1 Librae 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 ξ1 Librae is -0.052 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of ξ1 Librae. The red arrow shows the motion of ξ1 Librae during the next 10000 years (-8.67 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of ξ1 Librae from the Sun and relative movement

ξ1 Librae is distant 364.65 light years from the Sun and it is moving towards the Sun at the speed of 24 kilometers per second.

Distance (parsec) 111.86 pc

Distance (light year) 364.65 ly

Heliocentric radial velocity -24 km/s

Proper Motion RA -0.052 arcsec/year

Proper Motion Dec -0.01 arcsec/year

Spectral properties of ξ1 Librae

ξ1 Librae belongs to spectral class G7 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.56

Spectral Type G7III

Color Index (B-V) 0.97

Temperature of ξ1 Librae 4816K

The red dot in the diagram below shows where ξ1 Librae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of ξ1 Librae. Attribution: Richard Powell / CC BY-SA

Alternative designations of ξ1 Librae

Bayer designation ξ1 Librae
(xi1 Librae)

Flamsteed designation 13 Librae

Henry Draper Catalogue HD131530

SAO Catalogue SAO158887

Hipparcos Catalogue HIP72934

Durchmusterung Catalogue BD-11 3827

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