Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

Libertas - ξ Aquilae (xi Aquilae)

Libertas, also designated as ξ Aquilae (xi Aquilae), is a giant star in the constellation of Aquila.

Libertas visual magnitude is 4.71. Because of its moderate brightness, Libertas 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 Libertas:

4.71
Giant
Libertas - ξ Aquilae (xi Aquilae) is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of Libertas

Libertas 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 Libertas are provided in the following table:

19h 54m 14s
+08° 27’ 41”
47.81°
-9.85°
Aquila

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

Finder chart Libertas - ξ Aquilae (xi Aquilae) star
Simplified finder chart for Libertas - ξ Aquilae (xi Aquilae).

Visibility of Libertas from your location

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

Today's Libertas - ξ Aquilae (xi Aquilae) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 81.5°
Max altitude: 47.0°
Azimuth: 278.5°
Libertas - ξ Aquilae (xi Aquilae) is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of Libertas

The image below is a photograph of Libertas 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 Libertas is 0.101 arcsec per year in Right Ascension and -0.081 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of Libertas - ξ Aquilae (xi Aquilae) star
DSS2 image of Libertas. The red arrow shows the motion of Libertas during the next 1000 years (1.68 arcmin in Right Ascension and -1.35 arcmin in declination);

Distance of Libertas from the Sun and relative movement

Libertas is distant 204.26 light years from the Sun and it is moving towards the Sun at the speed of 42 kilometers per second.

62.66 pc
204.26 ly
-42 km/s
0.101 arcsec/year
-0.081 arcsec/year

Spectral properties of Libertas

Libertas belongs to spectral class G9 and has a luminosity class of III corresponding to a giant star.

0.73
G9III
4626K

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

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

Alternative designations of Libertas

Libertas
ξ Aquilae
(xi Aquilae)
SAO125210
SAO125210