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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:16
wb_twilight   (Nautical Twilight)   What's Visible Now?

ω1 Scorpii (omega1 Scorpii)

Above the horizon.  Rise: 19:18 | Tran: 23:24 | Set: 3:33
Altitude: 16.6°   Azimuth: 164.7°   Direction: South-South-East

ω1 Scorpii is a main-sequence star of spectral class B1 in the constellation of Scorpius.

ω1 Scorpii visual magnitude is 3.96. Because of its moderate brightness, ω1 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.

Celestial coordinates and finder chart of ω1 Scorpii

Finder chart ω1 Scorpii (omega1 Scorpii) star
Simplified finder chart for ω1 Scorpii (omega1 Scorpii).

ω1 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 ω1 Scorpii are provided in the following table:

16h 06m 48s
-20° 40’ 09”
Image of ω1 Scorpii (omega1 Scorpii) star
DSS2 image of ω1 Scorpii. The red arrow shows the motion of ω1 Scorpii during the next 10000 years (-1.50 arcmin in Right Ascension and -3.50 arcmin in declination);

Key facts about ω1 Scorpii


and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where ω1 Scorpii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ω1 Scorpii. Attribution: Richard Powell / CC BY-SA

Distance of ω1 Scorpii from the Sun and relative movement

ω1 Scorpii is distant 423.38 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

129.87 pc
423.38 ly
-3 km/s
-0.009 arcsec/year
-0.021 arcsec/year

Alternative designations of ω1 Scorpii

ω1 Scorpii
(omega1 Scorpii)

Visibility of ω1 Scorpii from your location

Today's ω1 Scorpii (omega1 Scorpii) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 110.7°
Max altitude: 17.9°
Azimuth: 249.3°