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HR 5171

HR 5171 is a yellow supergiant star in the constellation Centaurus, about 13,260 light-years from Earth.

Yellow hypergiant binary in Centaurus

HR 5171: a sky-survey photograph of its field
Sky survey view (DSS2 colour, or a backup survey)

Facts

TypeYellow supergiant star (spectral type G8Ia+)
ConstellationCentaurus
Position (J2000)13h 47m 10s, −62° 35′
Distance13,260 light-years (its light set off about 13,260 years ago)
Brightnessmagnitude 6.8 (smaller is brighter; the faintest stars the eye sees are about 6)
Studied in149 scientific papers (SIMBAD)

When and how to see it

HR 5171 is highest in the sky at midnight in April. From India (about 20° N) it climbs to about 7° above the horizon; from 50° N it never rises. To see it you need binoculars.

Heights are worked out for India and for 50° N. Set your location in Settings to see them for where you are.

For tonight's best time from your own town, the darkness and the Moon, open it on the map and see its "Tonight from your location" card.

More in Centaurus

Everything in Centaurus · All 88 constellations · All sky objects

Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · Data sources & credits