α Caeli (alpha Caeli)
α Caeli is a variable and double main-sequence star in the constellation of Caelum.
α Caeli visual magnitude is 4.45. Because of its moderate brightness, α Caeli should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.
The proper motion of α Caeli is -0.141 arcsec per year in Right Ascension and -0.077 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Key facts about α Caeli
α Caeli (alpha Caeli) is below the horizon from Greenwich, United Kingdom.
Altitude: -26.5°
Azimuth: 235.2°
Direction: South-West
Celestial coordinates and finder chart of α Caeli
α Caeli 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 α Caeli are provided in the following table:
The simplified sky map below shows the position of α Caeli in the sky:
Visibility of α Caeli from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
α Caeli (alpha Caeli) is currently not visible from Greenwich, United Kingdom
Distance of α Caeli from the Sun and relative movement
α Caeli is distant 65.63 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.
Spectral properties of α Caeli
α Caeli belongs to spectral class F2 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where α Caeli is situated in the Hertzsprung–Russell diagram.
α Caeli star system properties
α Caeli 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 α Caeli double sysyem: