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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:15 
Transit: 13:06 
Sunset: 20:56
sunny   (Daytime)   What's Visible Now?
All Constellations » Scorpius » 

ι2 Scorpii (iota2 Scorpii)

Below the horizon.  Never rises today
Alt: -58.68°   Az: 274.30°   Direction: West

ι2 Scorpii is a double supergiant star of spectral class A2 in the constellation of Scorpius.

ι2 Scorpii visual magnitude is 4.81. Because of its moderate brightness, ι2 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 ι2 Scorpii (iota2 Scorpii) star
DSS2 image of ι2 Scorpii. The red arrow shows the motion of ι2 Scorpii during the next 100000 years (11.67 arcmin in Right Ascension and -13.33 arcmin in declination);

Celestial Coordinates

Apparent

17h 51m 54s
-40° 05’ 45”
09h 09m 21s
03h 01m 15s

J2000

17h 50m 11s
-40° 05’ 26”

Galactic Coordinates

350.89°
-6.54°

Finder Chart

Finder chart ι2 Scorpii (iota2 Scorpii) star
Simplified finder chart for ι2 Scorpii (iota2 Scorpii).

Magnitude, Color, Spectral Class

4.81
Supergiant

-5.47
A2I
7726K

The red dot in the diagram below shows where ι2 Scorpii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ι2 Scorpii. Attribution: Richard Powell / CC BY-SA

Star System Properties

ι2 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 ι2 Scorpii double sysyem:

4.81
10.91
6.1
32.6 arcsec

Distance, Radial Speed, Proper Motion

ι2 Scorpii is distant 3,704.55 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

1,136.36
3,704.55
-10 km/s
0.007 arcsec/y
-0.008"/y

Alternative Designations

ι2 Scorpii
(iota2 Scorpii)
SAO228466
SAO228466

Visibility from Your Location

ι2 Scorpii (iota2 Scorpii) is currently not visible from Greenwich, UK