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Tania Australis

Also known as μ UMa · HR 4069

Tania Australis is a spectroscopic binary star in the constellation Ursa Major, about 180 light-years from Earth.

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

Facts

TypeSpectroscopic binary star (spectral type M0III)
ConstellationUrsa Major
Position (J2000)10h 22m 19s, +41° 29′
Distance180 light-years (its light set off about 180 years ago)
Brightnessmagnitude 3.05 (smaller is brighter; the faintest stars the eye sees are about 6)
Studied in331 scientific papers (SIMBAD)

When and how to see it

Tania Australis is highest in the sky at midnight in February. From India (about 20° N) it climbs to about 69° above the horizon; from 50° N, to about 81°. 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 Ursa Major

Everything in Ursa Major · All 88 constellations · All sky objects

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