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Evidence for the Galactic Bar from the Two Color Photometry of the Bulge Red Clump Stars
Published online by Cambridge University Press: 25 May 2016
Extract
The Optical Gravitational Lensing Experiment (OGLE, Udalski et al. 1994a; Paczynski 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 (Szymański & 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).
- Type
- Chapter 2: Is the Milky Way a Barred Spiral Galaxy?
- Information
- Symposium - International Astronomical Union , Volume 169: Unsolved Problems of the Milky Way , 1996 , pp. 103 - 109
- Copyright
- Copyright © Kluwer 1996