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3.17. MACHO RR Lyrae stars in the Galactic bulge: the spatial distribution
Published online by Cambridge University Press: 25 May 2016
Extract
We have analyzed a sample of 1150 type ab, and 550 type c RR Lyrae stars found in 24 of 94 bulge fields of the MACHO database. These fields cover a range in Galactocentric distances from 0.3 to 1.6 kpc. In combination with the data on the outer bulge fields of Alard (1997) and Wesselink (1987), here we present the surface density distribution of bulge RR Lyrae between 0.3 and 3 kpc.
- Type
- Part I. Stellar Cluster, Star Formation
- Information
- Symposium - International Astronomical Union , Volume 184: The Central Regions of the Galaxy and Galaxies , 1998 , pp. 123 - 124
- Copyright
- Copyright © Kluwer 1998