α Horologii (alpha Horologii)
α Horologii is a giant star in the constellation of Horologium.
α Horologii visual magnitude is 3.86. Because of its moderate brightness, α Horologii 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 α Horologii:
Celestial coordinates and finder chart of α Horologii
α Horologii 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 α Horologii are provided in the following table:
The simplified sky map below shows the position of α Horologii in the sky:
Visibility of α Horologii from your location
α Horologii (alpha Horologii) is currently not visible from Greenwich, United Kingdom [change]
Digitized Sky Survey image of α Horologii
The image below is a photograph of α Horologii 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 α Horologii is 0.046 arcsec per year in Right Ascension and -0.209 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of α Horologii from the Sun and relative movement
α Horologii is distant 117.06 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.
Spectral properties of α Horologii
α Horologii belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where α Horologii is situated in the Hertzsprung–Russell diagram.