Sirius

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• Bayer: α Canis Maioris
• Flamsteed: 9 Canis Maioris
• Canicula; Dog Star; Hundsstern; Aschere
• Bright Star Catalog: HR 2491
• Henry Draper Catalog: HD 48915
• SAO Catalog: SAO 151881

The position of α Canis Maioris (Sirius; Canicula; Dog Star; Aschere)

The image of Sirius A and Sirius B taken by Hubble Space Telescope, A – bigger, B – smaller white dwarf (Credit:NASA)

An artist impression of Sirius A and Sirius B, A – bigger, B – smaller white dwarf (Credit:NASA)