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Fundamental relations for the velocity dispersion of stars in the Milky Way

Sharma, Sanjib; Hayden, Michael; Bland-Hawthorn, Joss; Stello, Dennis; Buder, Sven; Zinn, Joel C.; Kallinger, Thomas; Asplund, Martin; De Silva, Gayandhi M.; D'Orazi, Valentina; Freeman, Kenneth; Kos, Janez; Lewis, Geraint F.; Jane, Lin; Lind, Karin; Martell, Sarah; Simpson, Jeffrey D.; Wittenmyer, Rob A.; Zucker, Daniel B.; Zwitter, Tomaz; Chen, Boquan; Cotar, Klemen; Esdaile, James; Hon, Marc; Horner, Jonathan; Huber, Daniel; Kafle, Prajwal R.; Khanna, Shourya; Ting, Yuan-Sen; Nataf, David M.; Nordlander, Thomas; Saadon, Mohd Hafiz Mohd; Tepper-Garcia, Thor; Tinney, C. G.; Traven, Gregor; Watson, Fred; Wright, Duncan; Wyse, Rosemary F. G.

Description

We explore the fundamental relations governing the radial and vertical velocity dispersions of stars in the Milky Way, from combined studies of complementary surveys including GALAH, LAMOST, APOGEE, the NASA Kepler and K2 missions, and Gaia DR2. We find that different stellar samples, even though they target different tracer populations and employ a variety of age estimation techniques, follow the same set of fundamental relations. We provide the clearest evidence to date that, in addition to...[Show more]

CollectionsANU Research Publications
Date published: 2021
Type: Journal article
URI: http://hdl.handle.net/1885/283846
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stab1086
Access Rights: Open Access

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