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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: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sleep NighttimeWhat's Visible Now?
All Constellations » Libra » 

48 Librae

Altitude: -52.1°   Azimuth: 345.6°   Direction: North-North-West

48 Librae is a variable giant star in the constellation of Libra.

48 Librae visual magnitude is 4.88. Because of its moderate brightness, 48 Librae 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 48 Librae:


48 Librae is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -52.1°
Azimuth: 345.6°
Direction: North-North-West

Celestial coordinates and finder chart of 48 Librae

48 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 48 Librae are provided in the following table:

15h 58m 11s
-14° 16’ 45”

The simplified sky map below shows the position of 48 Librae in the sky:

Finder chart 48 Librae star
Simplified finder chart for 48 Librae.

Visibility of 48 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 48 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: 104.3°
Max altitude: 24.2°
Azimuth: 255.7°

Digitized Sky Survey image of 48 Librae

The image below is a photograph of 48 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 48 Librae is -0.012 arcsec per year in Right Ascension and -0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 48 Librae star
DSS2 image of 48 Librae. The red arrow shows the motion of 48 Librae during the next 10000 years (-2.00 arcmin in Right Ascension and -2.50 arcmin in declination);

Distance of 48 Librae from the Sun and relative movement

48 Librae is distant 512.58 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

157.23 pc
512.58 ly
-6 km/s
-0.012 arcsec/year
-0.015 arcsec/year

Spectral properties of 48 Librae

48 Librae belongs to spectral class B5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 48 Librae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 48 Librae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 48 Librae