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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
SunriseRise: 6:40  
clear_day Transit: 12:10  
SunsetSet: 17:41
sunny DaytimeWhat's Visible Now?
All Constellations » Scorpius » 

16 Scorpii

Altitude: -15.1°   Azimuth: 275.2°   Direction: West

16 Scorpii is a main-sequence star in the constellation of Scorpius.

16 Scorpii visual magnitude is 5.43. Because of its reltive faintness, 16 Scorpii should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of 16 Scorpii is 0.042 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 16 Scorpii star
DSS2 image of 16 Scorpii. The red arrow shows the motion of 16 Scorpii during the next 10000 years (7.00 arcmin in Right Ascension and 0.50 arcmin in declination);

Key facts about 16 Scorpii


16 Scorpii is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -15.1°
Azimuth: 275.2°
Direction: West

Celestial coordinates and finder chart of 16 Scorpii

16 Scorpii 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 16 Scorpii are provided in the following table:

16h 12m 07s
-08° 32’ 50”

The simplified sky map below shows the position of 16 Scorpii in the sky:

Finder chart 16 Scorpii star
Simplified finder chart for 16 Scorpii.

Visibility of 16 Scorpii 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 16 Scorpii 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: 98.5°
Max altitude: 30.0°
Azimuth: 261.5°

Distance of 16 Scorpii from the Sun and relative movement

16 Scorpii is distant 249.81 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

76.63 pc
249.81 ly
5 km/s
0.042 arcsec/year
0.003 arcsec/year

Spectral properties of 16 Scorpii

16 Scorpii belongs to spectral class A4 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where 16 Scorpii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 16 Scorpii. Attribution: Richard Powell / CC BY-SA

Alternative designations of 16 Scorpii