ω1 Scorpii (omega1 Scorpii)

Below the horizon. Rise: 21:23 | Tran: 1:32 | Set: 5:37

Alt: -54.21° Az: 320.37° Direction: North-West

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.

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);

Celestial Coordinates

Apparent

Right Ascension 16h 08m 17s

Declination -20° 44’ 08”

Hour Angle 10h 25m 58s

Sidereal Time 02h 34m 15s

J2000

Right Ascension 16h 06m 48s

Declination -20° 40’ 09”

Galactic Coordinates

Galactic Longitude 352.75°

Galactic Latitude 22.77°

Finder Chart

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Finder chart for ω1 Scorpii (omega1 Scorpii).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 3.96

Class Main-sequence

Absolute magnitude -1.61

Spectral Type B1V

Color Index (B-V) -0.04

Temperature 10653K

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

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

Distance, Radial Speed, Proper Motion

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.

Distance (parsec) 129.87

Distance (light year) 423.38

Radial Speed -3 km/s

Proper Motion RA -0.009 arcsec/y

Proper Motion Dec -0.021"/y

Alternative Designations

Bayer designation ω1 Scorpii
(omega1 Scorpii)

Flamsteed designation 9 Scorpii

Henry Draper Catalogue HD144470

SAO Catalogue SAO184123

Hipparcos Catalogue HIP78933

Durchmusterung Catalogue BD-20 4405

Visibility from Your Location

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

Azimuth: 110.7° RISE 21:23

Max altitude: 17.8° TRANSIT 1:32

Azimuth: 249.3° SET 5:37

Set Location

Other stars in Scorpius