Imai - δ Crucis (delta Crucis)
Imai, also designated as δ Crucis (delta Crucis), is a variable sub-giant star in the constellation of Crux.
Imai visual magnitude is 2.8. Thanks to its high brightness, Imai is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.
The table below summarizes the key facts about Imai:
Celestial coordinates and finder chart of Imai
Imai 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 Imai are provided in the following table:
The simplified sky map below shows the position of Imai in the sky:
Visibility of Imai from your location
Digitized Sky Survey image of Imai
The image below is a photograph of Imai 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 Imai is -0.041 arcsec per year in Right Ascension and -0.009 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of Imai from the Sun and relative movement
Imai is distant 363.84 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.
Spectral properties of Imai
Imai belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where Imai is situated in the Hertzsprung–Russell diagram.