Stars with fast galactic rotation observed in gaia TGAS: a signature driven by the Perseus arm?
We report on the detection of a small overdensity of stars in velocity space with systematically higher Galactocentric rotation velocity than the Sun by about 20 km s−1 in the Gaia Data Release 1 Tycho-Gaia astrometric solution data. We find these fast Galactic rotators more clearly outside of the S...
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| Main Authors: | , |
|---|---|
| Format: | Article (Journal) |
| Language: | English |
| Published: |
22 December 2016
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| In: |
Monthly notices of the Royal Astronomical Society. Letters
Year: 2017, Volume: 467, Issue: 1, Pages: L21-L25 |
| ISSN: | 1745-3933 |
| DOI: | 10.1093/mnrasl/slw257 |
| Online Access: | Verlag, Volltext: http://dx.doi.org/10.1093/mnrasl/slw257
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| Author Notes: | Jason A.S. Hunt, Daisuke Kawata, Giacomo Monari, Robert J.J. Grand, Benoit Famaey and Arnaud Siebert |
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Stars with fast galactic rotation observed in gaia TGAS: a signature driven by the Perseus arm?
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