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Seginus

Also known as γ Boo · HR 5435

Seginus is a delta Sct variable star in the constellation Boötes, about 87 light-years from Earth.

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

Facts

TypeDelta Sct variable star (spectral type A7IV+(n))
ConstellationBoötes
Position (J2000)14h 32m 04s, +38° 18′
Distance87 light-years (its light set off about 87 years ago)
Brightnessmagnitude 3.02 (smaller is brighter; the faintest stars the eye sees are about 6)
Studied in270 scientific papers (SIMBAD)

When and how to see it

Seginus is highest in the sky at midnight in April. From India (about 20° N) it climbs to about 72° above the horizon; from 50° N, to about 78°. To see it you need the naked eye, even from a town.

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 Boötes

Everything in Boötes · All 88 constellations · All sky objects

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