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Methuselah Star

Also known as HD 140283

Methuselah Star is a chemically peculiar star in the constellation Libra, about 200 light-years from Earth.

One of the oldest known stars, in Libra

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

Facts

TypeChemically peculiar star (spectral type F9VkA5mA1)
ConstellationLibra
Position (J2000)15h 43m 03s, −10° 56′
Distance200 light-years (its light set off about 200 years ago)
Brightnessmagnitude 7.21 (smaller is brighter; the faintest stars the eye sees are about 6)
Studied in999 scientific papers (SIMBAD)

When and how to see it

Methuselah Star is highest in the sky at midnight in May. From India (about 20° N) it climbs to about 59° above the horizon; from 50° N, to about 29°. 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 Libra

Everything in Libra · All 88 constellations · All sky objects

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