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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:07 
Transit: 11:43 
Sunset: 16:19
wb_twilight   (Astronomical Twilight)  
What's Visible Now • Tonight Timeline
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All Constellations » Scorpius » 

β2 Scorpii (beta2 Scorpii)

Below the horizon.  Rise: 8:43 | Tran: 12:54 | Set: 17:04
Alt: -27.71°   Az: 87.51°   Direction: East

β2 Scorpii is a variable and multiple main-sequence star of spectral class B2 in the constellation of Scorpius.

β2 Scorpii visual magnitude is 4.92. Because of its moderate brightness, β2 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 β2 Scorpii (beta2 Scorpii) star
DSS2 image of β2 Scorpii. The red arrow shows the motion of β2 Scorpii during the next 10000 years (-3.17 arcmin in Right Ascension and -3.33 arcmin in declination);

Celestial Coordinates

Apparent

16h 06m 53s
-19° 52’ 04”
16h 40m 29s
08h 47m 22s

J2000

16h 05m 26s
-19° 48’ 06”

Galactic Coordinates

353.2°
23.6°

Finder Chart

Finder chart β2 Scorpii (beta2 Scorpii) star
Simplified finder chart for β2 Scorpii (beta2 Scorpii).

Magnitude, Color, Spectral Class

4.92
Main-sequence

-2.78
B2V
10382K

The red dot in the diagram below shows where β2 Scorpii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of β2 Scorpii. Attribution: Richard Powell / CC BY-SA

Star System Properties

β2 Scorpii is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the β2 Scorpii double sysyem:

4.92
6.22
1.3
0 arcsec

Distance, Radial Speed, Proper Motion

β2 Scorpii is distant 1,131.94 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

347.22
1,131.94
-4 km/s
-0.019 arcsec/y
-0.02"/y

Alternative Designations

β2 Scorpii
(beta2 Scorpii)
SAO159683
SAO159683

Visibility from Your Location

Today's β2 Scorpii (beta2 Scorpii) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 109.9°
Max altitude: 18.7°
Azimuth: 250.1°