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HVS stands for High Velocity Star. It was the fourth of its kind to be discovered. SDSS J091301.0+305120, so its official name, rushes with 1.25 million miles per hour away from the galactic center and will leave our galaxy some time in the future. This fate it shares with other stars like HVS1.

Constellation: Ursa Major
Distance: 240 000 light-years
Spectral class: B8
Visual magnitude: 18.40
Luminosity: 400 * Sun
Mass: 4 * Sun
Radial velocity: -603 km/sec

Back: List of Special Stars part 2
    HVS4 or SDSS J091301.0+305120
Photo: Sloan Digital Sky Survey

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