The RR Lyrae Population of the Galactic Bulge from the MACHO Database: Mean Colors and Magnitudes

@article{Alcock1997TheRL,
  title={The RR Lyrae Population of the Galactic Bulge from the MACHO Database: Mean Colors and Magnitudes},
  author={T. M. C. C. Alcock and R. Allsman and D. Alves and T. Axelrod and A. Basu and L. Baskett and A. Becker and D. Bennett and K. Cook and K. Freeman and K. Griest and M. Lehner and S. Marshall and D. Minniti and B. Peterson and M. Pratt and P. Quinn and A. Rodgers and C. Stubbs and W. Sutherland and A. Tomaney and T. Vandehei and D. Welch},
  journal={The Astrophysical Journal},
  year={1997},
  volume={492},
  pages={190-199}
}
Mean colors and magnitudes of RR Lyrae stars in 24 fields toward the Galactic bulge from the MACHO database are presented. Accurate mean reddenings are computed for these fields on the basis of the mean colors. The distribution along the line of sight of the RR Lyrae population is examined on the basis of the mean magnitudes, and it is shown that the bulk of the RR Lyrae population is not barred. Only the RR Lyrae stars in the inner fields closer to the Galactic center (l{lt}4{degree}, b{gt… Expand
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