Alchiba - α Corvi (alpha Corvi)
Alchiba, also designated as α Corvi (alpha Corvi), is a giant star in the constellation of Corvus.
Alchiba visual magnitude is 4.02. Because of its moderate brightness, Alchiba 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 Alchiba:
Celestial coordinates and finder chart of Alchiba
Alchiba is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Alchiba are provided in the following table:
The simplified sky map below shows the position of Alchiba in the sky:
Visibility of Alchiba from your location
Digitized Sky Survey image of Alchiba
The image below is a photograph of Alchiba 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 Alchiba is 0.086 arcsec per year in Right Ascension and -0.04 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of Alchiba from the Sun and relative movement
Alchiba is distant 48.15 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.
Spectral properties of Alchiba
Alchiba belongs to spectral class F2 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where Alchiba is situated in the Hertzsprung–Russell diagram.