ι Crucis (iota Crucis)
ι Crucis is a double hypergiant star in the constellation of Crux.
ι Crucis visual magnitude is 4.69. Because of its moderate brightness, ι Crucis 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 ι Crucis:
ι Crucis (iota Crucis) is below the horizon from Greenwich, United Kingdom .
Celestial coordinates and finder chart of ι Crucis
ι Crucis is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ι Crucis are provided in the following table:
The simplified sky map below shows the position of ι Crucis in the sky:
Visibility of ι Crucis from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
ι Crucis (iota Crucis) is currently not visible from Greenwich, United Kingdom
Digitized Sky Survey image of ι Crucis
The image below is a photograph of ι Crucis 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 ι Crucis is 0.098 arcsec per year in Right Ascension and -0.063 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of ι Crucis from the Sun and relative movement
ι Crucis is distant 124.57 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.
Spectral properties of ι Crucis
ι Crucis belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.
The red dot in the diagram below shows where ι Crucis is situated in the Hertzsprung–Russell diagram.
ι Crucis star system properties
ι Crucis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the ι Crucis double sysyem: