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

C. Alcock | Zendy; R. A. Allsman | Zendy; D. R. Alves | Zendy; T. S. Axelrod | Zendy; A. C. Becker | Zendy; Aritra Basu | Zendy; L. Baskett | Zendy; D. P. Bennett | Zendy; K. H. Cook | Zendy; K. C. Freeman | Zendy; K. Griest | Zendy; M. J. Lehner | Zendy; S. L. Marshall | Zendy; D. Minniti | Zendy; B. A. Peterson | Zendy; M. R. Pratt | Zendy; Peter J. Quinn | Zendy; A. W. Rodgers | Zendy; C. W. Stubbs | Zendy; William J. Sutherland | Zendy; T. Vandehei | Zendy; D. L. Welch | Zendy

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

Author(s) -

C. Alcock,

R. A. Allsman,

D. R. Alves,

T. S. Axelrod,

A. C. Becker,

Aritra Basu,

L. Baskett,

D. P. Bennett,

K. H. Cook,

K. C. Freeman,

K. Griest,

M. J. Lehner,

S. L. Marshall,

D. Minniti,

B. A. Peterson,

M. R. Pratt,

Peter J. Quinn,

A. W. Rodgers,

C. W. Stubbs,

William J. Sutherland,

T. Vandehei,

D. L. Welch

Publication year - 1998

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/305017

Subject(s) - rr lyrae variable , physics , astrophysics , bulge , red clump , astronomy , population , galactic halo , giant star , stars , globular cluster , milky way , halo , galaxy , demography , sociology

Mean colors and magnitudes of RR Lyrae stars in 24 fields towards 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 in the inner fields

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