Evidence for the Galactic Bar from the Two Color Photometry of the Bulge Red Clump Stars

Details Evidence for the Galactic Bar from the Two Color Photometry of the Bulge Red Clump Stars Evidence for the Galactic Bar from the Two Color Photometry of the Bulge Red Clump Stars

1994-10-14

arxiv.org/abs/astro-ph/9410044v1

Astronomy and Astrophysics

Astrophysics

6 pages, 5 figures, talk presented at the IAU Symposium 169 ``Unsolved Problems of the Milky Way'', uses Kluwer LaTeX style ma

Scientific paper

The Optical Gravitational Lensing Experiment (OGLE, Udalski et al.~1994a; Paczy\'nski et al.~1994b -- these proceedings; and references therein) is an extensive photometric search for the rare cases of gravitational microlensing of Galactic bulge stars by foreground objects. It provides a huge data base (Szyma\'nski \& Udalski 1993), from which color-magnitude diagrams have been compiled (Udalski et al.~1993, 1994b). Here we discuss the use a of well-defined population of bulge red clump stars to investigate the presence of the bar in our Galaxy. The results of our earlier studies are described by Stanek et al.~(1994).

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