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Title:
OGLE-II high proper motion stars towards the Galactic Centre
Authors:
Rattenbury, Nicholas J.; Mao, Shude
Affiliation:
AA(Jodrell Bank Centre for Astrophysics, Alan Turing Building, The University of Manchester, Manchester M13 9PL; ), AB(Jodrell Bank Centre for Astrophysics, Alan Turing Building, The University of Manchester, Manchester M13 9PL; )
Publication:
Monthly Notices of the Royal Astronomical Society, Volume 385, Issue 2, pp. 905-917. (MNRAS Homepage)
Publication Date:
04/2008
Origin:
MNRAS
MNRAS Keywords:
stars: distances , stars: statistics , solar neighbourhood
DOI:
10.1111/j.1365-2966.2008.12878.x
Bibliographic Code:
2008MNRAS.385..905R

Abstract

The photometry data base of the second phase of the OGLE microlensing experiment, OGLE-II, is a rich source of information about the kinematics and structure of the Galaxy. In this work, we use the OGLE-II proper motion catalogue to identify candidate stars which have high proper motions. 521 stars with proper motion μ > 50masyr-1 in the OGLE-II proper motion catalogue were cross-identified with stars in the MACHO high proper motion catalogue, and the DEep Near-Infrared Survey and Two-Micron All-Sky Survey infrared photometry catalogues. Photometric distances were computed for stars with colours consistent with G/K- and M-type stars. Six stars were newly identified as possible nearby (<50 pc) M dwarfs.

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