Ome

Variable star

Its story

Omega Canis Majoris is a blue supergiant more than 900 light-years away, deep in the heart of the Greater Dog, not far from the white blaze of Sirius. It belongs to the Be class: a giant spinning so fast that it flings matter into a burning disc around itself, producing subtle but measurable swings in brightness. A young, violent star with all its drama still ahead.

Constellation: Canis Major
Apparent magnitude: 4.01
Distance: 911.2 light years
Coordinates (J2000): RA 108.703° · Dec -26.773°
Catalogue: HIP 35037 · HD 56139

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