Caelum - Notable Features

Notable Features

See also: List of stars in Caelum

Caelum is a faint constellation, having no star brighter than fourth magnitude. Its brightest star is the magnitude 4.45 α Caeli.

  • α Cae is a white-hued main sequence star of magnitude 4.4, 66 light-years from Earth.
  • β Cae is a white star of magnitude 5.0, 90 light-years from Earth.
  • γ Cae is a double star with an orange-hued primary of magnitude 4.6 and a secondary of magnitude 8.1. The primary is 185 light-years from Earth. It is difficult to resolve in small amateur telescopes because of the difference in visual magnitude and the close separation of the two components.
  • δ Cae is a blue-white hued star of magnitude 5.1, 710 light-years from Earth.

Caelum contains the galaxies NGC 1571, NGC 1679 and IC 2106. Larger telescopes are needed to see several NGC objects, all galaxies, but none brighter than magnitude 11.5 or larger than 3 arcminutes.

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