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public LocationGreenwich, UK
Sunrise: 5:12 
Transit: 13:06 
Sunset: 20:59
sunny   (Daytime)   What's Visible Now?
All Constellations » Scorpius » 

ζ1 Scorpii (zeta1 Scorpii)

Below the horizon.  Never rises today
Alt: -47.39°   Az: 256.49°   Direction: West-South-West

ζ1 Scorpii is a variable supergiant star of spectral class B1 in the constellation of Scorpius.

ζ1 Scorpii visual magnitude is 4.73. Because of its moderate brightness, ζ1 Scorpii is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of ζ1 Scorpii (zeta1 Scorpii) star
DSS2 image of ζ1 Scorpii. The red arrow shows the motion of ζ1 Scorpii during the next 100000 years (6.67 arcmin in Right Ascension and -6.67 arcmin in declination);

Celestial Coordinates


16h 55m 43s
-42° 24’ 02”
07h 47m 47s
00h 43m 31s


16h 53m 59s
-42° 21’ 43”

Galactic Coordinates


Finder Chart

Finder chart ζ1 Scorpii (zeta1 Scorpii) star
Simplified finder chart for ζ1 Scorpii (zeta1 Scorpii).

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where ζ1 Scorpii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ζ1 Scorpii. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

ζ1 Scorpii is distant 32,600,000.00 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

-26 km/s
0.004 arcsec/y

Alternative Designations

ζ1 Scorpii
(zeta1 Scorpii)

Visibility from Your Location

ζ1 Scorpii (zeta1 Scorpii) is currently not visible from Greenwich, UK