Star Names That Start With B

There are currently 11 stars in the catalog of the International Astronomical Union whose names begin with the letter b. Most of these names have Arabic origins.

Betelgeuse is probably the most famous star in this list because of its enormous size and red tint that is very distinguishable in the night sky.

The following table lists them all. Here’s what each of the columns mean:

Name: The proper or colloquial name for the star.

Constellation: The group of stars the star belongs to.

Bayern Designation: The ordered name for the star in the Bayern catalog of stars.

Designation: The ‘scientific’ name for the star in the IAU catalog. This is the name astronomers generally use.

Approval Date: The date the proper name was officially approved for the IAU catalog. Most names have been used for a much longer time though.

NameConstellationBayern DesignationDesignationApproval Date
Barnard’s StarOphiuchusV2500 OphiuchiGJ 6992017-02-01
Baten KaitosCetusζ Ceti AaHR 5392016-09-12
BeemimEridanusυ3 EridaniHR 13932017-06-30
BeidEridanusο1 EridaniHR 12982016-09-12
BellatrixOrionγ OrionisHR 17902016-06-30
BetelgeuseOrionα Orionis AaHR 20612016-06-30
BharaniAries41 Arietis AaHR 8382017-06-30
BihamPegasusθ PegasiHR 84502016-08-21
BoteinAriesδ ArietisHR 9512016-09-12
BrachiumLibraσ Librae AHR 56032017-09-05
BundaAquariusξ Aquarii AHR 82642018-06-01

This list does not include some of the proposed star names that are proposed every year, but still haven’t been fully approved and made official.

Find more star names that start with the letter:

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