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Ome

Southern polar star

Its story

Omega Octantis is a solitary blue-white B9.5 star with 2.5 solar masses and 50 times the Sun's luminosity, 317 light-years away in the cold heart around the south celestial pole. Still young, it has burned through only 40% of its main-sequence life. It spins calmly at 36 km/s along its equator, a blue beacon in one of those regions of sky where almost every star is too faint to see.

Constellation
Octans
Apparent magnitude
5.88
Distance
317.0 light years
Coordinates (J2000)
RA 227.787° · Dec -84.788°
Catalogue
HIP 74296 · HD 131596

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