EntityQ3013244· pop 13· linked from 159 articlesOrion OB1 AssociationSign in to saveHot giant star groupConnectionsyearEntitylight-yearEntityconstellationEntityOrionEntitydigital object identifierEntityInternational Standard Serial NumberEntityparsecEntitysolar massEntityOrion NebulaEntitydeclinationEntityright ascensionEntitybibcodeEntityprotostarEntityQ118398EntityOrion's BeltEntityBellatrixEntityasterismEntityMessier 43EntityepochEntityAlnitakEntityCategoriesOrion molecular cloud complexStellar associations