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A number with a constellation name.
Also known as: Flamsteed number, Numbered star designation, 61 Cygni style designation
The star designation of a number followed by the genitive of its constellation, assigned in order of right ascension.
Designates a star by a number and the genitive of its constellation.
Contexts: History
Numbers in order of right ascension rather than brightness, so the sequence is positional and does not degrade as measurements improve.
Contexts: History
Was disrupted when constellation boundaries were formally fixed in 1930, leaving some Flamsteed numbers attached to stars now inside a different constellation from the one they are named for.
Contexts: History
An Arabic numeral followed by a Latin constellation name in the genitive case.