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

17 Librae

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

17 Librae visual magnitude is 6.6. Because of its reltive faintness, 17 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 17 Librae:

6.6
Main-sequence
17 Librae is above the horizon from Greenwich, United Kingdom [change]. Altitude: 9°.

Celestial coordinates and finder chart of 17 Librae

17 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 17 Librae are provided in the following table:

14h 58m 13s
-11° 09’ 17”
345.93°
40.9°
Libra

The simplified sky map below shows the position of 17 Librae in the sky:

Finder chart 17 Librae star
Simplified finder chart for 17 Librae.

Visibility of 17 Librae from your location

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

Today's 17 Librae rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 101.2°
Max altitude: 27.4°
Azimuth: 258.8°
17 Librae is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 17 Librae

The image below is a photograph of 17 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 17 Librae is -0.011 arcsec per year in Right Ascension and -0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 17 Librae star
DSS2 image of 17 Librae. The red arrow shows the motion of 17 Librae during the next 10000 years (-1.83 arcmin in Right Ascension and -2.33 arcmin in declination);

Distance of 17 Librae from the Sun and relative movement

17 Librae is distant 376.01 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

115.34 pc
376.01 ly
-17 km/s
-0.011 arcsec/year
-0.014 arcsec/year

Spectral properties of 17 Librae

17 Librae belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.

1.29
A1V
10002K

The red dot in the diagram below shows where 17 Librae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 17 Librae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 17 Librae

SAO158935
SAO158935