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Weighing the local dark matter with RAVE red clump stars

Bienaymé, O.; Famaey, B.; Siebert, A.; Freeman, K. C.; Gibson, B. K.; Gilmore, G.; Grebel, E. K.; Bland-Hawthorn, J.; Kordopatis, G.; Munari, U.; Navarro, J. F.; Parker, Q.; Reid, W.; Seabroke, G. M.; Siviero, A.; Steinmetz, M.; Watson, F.; Wyse, R. F. G.; Zwitter, T.


We determine the Galactic potential in the solar neigbourhood from RAVE observations. We select red clump stars for which accurate distances, radial velocities, and metallicities have been measured. Combined with data from the 2MASS and UCAC catalogues, we build a sample of 4600 red clump stars within a cylinder of 500 pc radius oriented in the direction of the South Galactic Pole, in the range of 200 pc to 2000 pc distances. We deduce the vertical force and the total mass density...[Show more]

CollectionsANU Research Publications
Date published: 2014-11-14
Type: Journal article
Source: Astronomy & Astrophysics
DOI: 10.1051/0004-6361/201424478


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