ι2 Scorpii (iota2 Scorpii)
ι2 Scorpii is a double supergiant star in the constellation of Scorpius.
ι2 Scorpii visual magnitude is 4.81. Because of its moderate brightness, ι2 Scorpii should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about ι2 Scorpii:
Celestial coordinates and finder chart of ι2 Scorpii
ι2 Scorpii is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ι2 Scorpii are provided in the following table:
The simplified sky map below shows the position of ι2 Scorpii in the sky:
Visibility of ι2 Scorpii from your location
ι2 Scorpii (iota2 Scorpii) is currently not visible from Greenwich, United Kingdom [change]
Digitized Sky Survey image of ι2 Scorpii
The image below is a photograph of ι2 Scorpii from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of ι2 Scorpii is 0.007 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Distance of ι2 Scorpii from the Sun and relative movement
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.
Spectral properties of ι2 Scorpii
ι2 Scorpii belongs to spectral class A2 and has a luminosity class of I corresponding to a supergiant star.
The red dot in the diagram below shows where ι2 Scorpii is situated in the Hertzsprung–Russell diagram.
ι2 Scorpii 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: