Caelum (Pronounciation:Cee-lum, Abbrev:Cae, Latin:Caeli) is a constellation, one of 88 constellations that the night sky is divided into. The sky is not divided up equally between the constellations. Caelum takes up 124.865 sq. degrees of the night sky which equates to 0.3% of the night sky. The constellation gets its name as it name means The Chisel . It was not one of the original constellations that had been devised by Ptolemy, instead it was created by AbbÃ© Nicolas Louis de Lacaille years later.
Caelum is not a member of the Zodiac group of twelve constellations that appear when the Sun sets. Caelum is a southern hemispheric constellation which means it can't be seen easily or at all from the northern hemisphere.
The brightest star in Caelum is Alpha Caeli. There are 2 Extrasolar Planets (Exoplanets) in this constellation that are detailed on this site. There is a dedicated page for exoplanets in Caelum. For a list of named stars, that is stars that don't start HD or HIP, please visit Caelum Star List Page.
The number of stars that have been catalogued as part of the Hipparcos Star Catalogue from Caelum is 342. The number of stars that are of magnitude 6.0 or lower in the constellation is 7. The number of stars in the constellation that make up the outline is 4.
There are no deep space objects that were identified by Charles Messier in this constellation. There are no non-Messier deep space objects in this constellation that are covered at present on this site.
The nearest star to Earth is HIP 22451 which is roughly about 57.88 Light Years from the Earth. The nearest star to the Earth with an exoplanet is HIP 21934 which is about 113.37 Light Years. The furthest star that can be located in the constellation is HIP 23249 which is located about 12080.12 Light Years away from the Sun.
The dimmest star that can be seen in Caelum with the naked eye is HD 32515. The dim star has an apparent magnitude of 5.92. The dimmest star that a person is able to see with their naked eye is 6.0 magnitude based on the table in the reference. Ref: University of Michigan
The caveat of these stars are that they are catalogued on this site. If you know of a star that is nearer or further then do let me know in the comments and I'll add it to the site. The stars mentioned are from the Hipparcos catalogue or have been added because of their special status.
There is no Greek Legend behind this constellation. It was created by Abbé Nicolas Louis de Lacaille to fill in the voids in the astronomical charts.There are no major meteor showers that radiate from within this constellation.
|Is a Zodiac Sign||No|
|Brightest Star||Alpha Caeli|
|Area||124.865 sq. deg.|
|Percentage of Night Sky||0.3%|
|Site Exoplanet Count||2|
|Meteor Shower Count||0|
|Nearest Star||HIP 22451|
|Nearest Star with Exoplanet(s)||HIP 21934|
|Dimmest Star||HD 32515|
|Furthest Star||HIP 23249|
|Bright Star Count||7|
|Hipparcos Star Count||342|
|Main Star Count||4|
|Messier Deep Space Object Count||0|
|*Non-Messier Deep Space Object Count||0|
|Bordering / Neighbouring / Surrounding Constellations||Eridanus|
*Note: The number of Non-Messier Deep Space Object Count relates to how many are covered on this site not how many there are.
The map was generated using Night Vision, an awesome free application by Brian Simpson.