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LAMOST J040643.69+542347.8: The Fastest Rotator in the Galaxy

1 May 2020, 16:00 UTC
LAMOST J040643.69+542347.8: The Fastest Rotator in the Galaxy
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Guang-Wei Li 2020 ApJL 892 L26
The fastest rotating star in the Milky Way, runaway star LAMOST J040643.69+542347.8, has a projected rotational velocity of 540 km/s — roughly 100 km/s faster than the previous record holder.

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