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Its story

1 Boötis opens the numbering of the Herdsman, that northern human figure who seems to guide Ursa Major across the sky. It is a white A-class star about three hundred and twenty-eight light-years away, removed from the famous glow of Arcturus —the orange giant that rules the constellation. Its modest brightness plays a quiet but symbolic role: being the first in the catalogue of one of the sky’s oldest constellations.