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

49 Librae

49 Librae is a double main-sequence star in the constellation of Libra.

49 Librae visual magnitude is 5.47. Because of its reltive faintness, 49 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 49 Librae:

5.47
Main-sequence
49 Librae is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of 49 Librae

49 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 49 Librae are provided in the following table:

16h 00m 19s
-16° 31’ 59”
354.92°
26.72°
Libra

The simplified sky map below shows the position of 49 Librae in the sky:

Finder chart 49 Librae star
Simplified finder chart for 49 Librae.

Visibility of 49 Librae from your location

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

Today's 49 Librae rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 106.5°
Max altitude: 22.0°
Azimuth: 253.5°
49 Librae is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 49 Librae

The image below is a photograph of 49 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 49 Librae is -0.63 arcsec per year in Right Ascension and -0.394 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 49 Librae star
DSS2 image of 49 Librae. The red arrow shows the motion of 49 Librae during the next 1000 years (-10.50 arcmin in Right Ascension and -6.57 arcmin in declination);

Distance of 49 Librae from the Sun and relative movement

49 Librae is distant 106.92 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

32.80 pc
106.92 ly
-25 km/s
-0.63 arcsec/year
-0.394 arcsec/year

Spectral properties of 49 Librae

49 Librae belongs to spectral class F8 and has a luminosity class of V corresponding to a main-sequence star.

2.89
F8V
6300K

The red dot in the diagram below shows where 49 Librae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 49 Librae. Attribution: Richard Powell / CC BY-SA

49 Librae star system properties

49 Librae is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 49 Librae double sysyem:

5.47
11.07
5.6
155.1 arcsec

Alternative designations of 49 Librae

SAO159625
SAO159625