EntityQ14224· pop 22· linked from 168 articlesSigma OrionisSign in to savefive-star system in the constellation OrionConnectionslist of stars in OrionEntitystellar classificationEntityyearEntityOrionEntityretrograde motionEntityspectral lineEntityHenry Draper CatalogueEntityHipparcosEntitystellar rotationEntityBright Star CatalogueEntityminute and second of arcEntityOrion OB1 AssociationEntitystarEntitygalaxyEntityradioEntityInternational Standard Book NumberEntitylight-yearEntityconstellationEntityPtolemyEntitykelvinEntityCategoriesA-type main-sequence starsBayer objectsBright Star Catalogue objectsB-type main-sequence starsDurchmusterung objectsEmission-line starsFlamsteed objectsHenry Draper Catalogue objectsHipparcos objectsMultiple star systemsObjects with variable star designationsOpen clustersOrion (constellation)