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The RAVE survey: the Galactic escape speed and the mass of the Milky Way

Piffl, T.; Scannapieco, C; Binney, J; Steinmetz, Matthias; Scholz, R-D; Williams, Mary; de Jong, R. S.; Kordopatis, G; Matijevic, G; Bienayme, O; Bland-Hawthorn, Joss; Freeman, Kenneth


We made new estimates of the Galactic escape speed at various Galactocentric radii using the latest data release of the RAdial Velocity Experiment (RAVE DR4). Compared to previous studies we have a database that is larger by a factor of 10, as well as reliable distance estimates for almost all stars. Our analysis is based on statistical analysis of a rigorously selected sample of 90 high-velocity halo stars from RAVE and a previously published data set. We calibrated and extensively tested our...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201322531
Access Rights: Open Access


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