Home›Alpha2 Canum Venaticorum variables›21 Aquilae🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийفارسی中文EntityQ2608320· pop 10· linked from 174 articles21 Aquilaestar in the constellation AquilaWikidata factsDistance from Earth209.512Radius4.3Show 14 more factsspectral classB8.P:catalog codeRenson 49900apparent magnitude5.10894effective temperature13175parallax4.773radial velocity-11.9metallicity-0.14stellar rotational velocity17surface gravity2000absolute magnitudeAvailable in 10 languagesFrançais中文ItalianoCatalanChechenSvenskaTatarUkrainianفارسیvia Wikidata sitelinks · CC0Connectionsstellar classificationEntityyearEntityCategoriesAlpha2 Canum Venaticorum variablesAquila (constellation)Bright Star Catalogue objectsB-type giantsDouble starsDurchmusterung objectsFlamsteed objectsHenry Draper Catalogue objectsHipparcos objectsObjects with variable star designations