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

50 Librae

50 Librae is a hypergiant star in the constellation of Libra.

50 Librae visual magnitude is 5.55. Because of its reltive faintness, 50 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 50 Librae:

5.55
Hypergiant
50 Librae is above the horizon from Greenwich, United Kingdom [change]. Altitude: 4°.

Celestial coordinates and finder chart of 50 Librae

50 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 50 Librae are provided in the following table:

16h 00m 47s
-08° 24’ 41”
32°
Libra

The simplified sky map below shows the position of 50 Librae in the sky:

Finder chart 50 Librae star
Simplified finder chart for 50 Librae.

Visibility of 50 Librae from your location

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

Today's 50 Librae rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 98.4°
Max altitude: 30.1°
Azimuth: 261.6°
50 Librae is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 50 Librae

The image below is a photograph of 50 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 50 Librae is -0.014 arcsec per year in Right Ascension and -0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 50 Librae star
DSS2 image of 50 Librae. The red arrow shows the motion of 50 Librae during the next 10000 years (-2.33 arcmin in Right Ascension and -2.17 arcmin in declination);

Distance of 50 Librae from the Sun and relative movement

50 Librae is distant 459.15 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

140.85 pc
459.15 ly
-19 km/s
-0.014 arcsec/year
-0.013 arcsec/year

Spectral properties of 50 Librae

50 Librae belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

-0.19
A0V
9542K

The red dot in the diagram below shows where 50 Librae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 50 Librae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 50 Librae

SAO140897
SAO140897