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The Bright Star Catalogue, also known as the Yale Catalogue of Bright Stars or Yale Bright Star Catalogue, is a star catalogue that lists all stars of stellar magnitude 6.5 or brighter, which is roughly every star visible to the naked eye from Earth. It is currently available online in its 5th edition from several sources. Although the abbreviation for the catalog is BS or YBS, citations of stars indexed in the catalog use HR before the catalog number, after the catalog's 1908 predecessor, the Harvard Revised Photometry Catalogue produced by the Harvard College Observatory. The catalog contains 9110 objects, of which 9096 are stars and 14 are novae or extragalactic objects.
The catalogue is fixed in number of entries, but its data is maintained, and it is appended with a comments section about the objects that has been steadily enhanced since the first version in 1908. The version of 1991 was the fifth in order, a version that implied a considerable enhancement of the comments section, to a little more than the size of the catalogue itself.
External links
- Online version of the catalog from VizieR
- Original HR catalogue: Bibcode: 1908AnHar..50....1P — 9110 entries
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