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- Title
The Galactic mass distribution from the LAMOST Galactic spectroscopic surveys.
- Authors
Huang, Y.; Liu, X.-W.; Yuan, H.-B.; Zhang, H.-W.; Xiang, M.-S.; Chen, B.-Q.; Wang, C.; Recio-Blanco, A.; de Laverny, P.; Brown, A.G.A.; Prusti, T.
- Abstract
Using the data from the LAMOST Galactic spectroscopic surveys and some other surveys, we have started a series of work to measure the mass distribution of our Galaxy. As a result of the first-stage, we have constructed the Galactic rotation curve out to 100 kpc and the Galactic escape velocity curve between 5 and 14 kpc. From the two curves, we have built parametrized mass models for our Galaxy, respectively. Both models yield a similar result for the Milky Way's virial mass: ~ 0.9 × 1012 M⊙.
- Publication
Proceedings of the International Astronomical Union, 2017, Vol 12, Issue S330, p220
- ISSN
1743-9213
- Publication type
Article
- DOI
10.1017/S1743921317006378