Stellar Distribution and Population in the Central Few Parsecs of Our Galaxy

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

The Galactic Center Demonstration Data Set from the Gemini Telescope has been analyzed to obtain the surface density profile of the old stellar population in the central few parsecs of our galaxy. The photometry for two broadband filters (H & K') and two narrowband filters (K continuum & Co band) is presented. Relative and/or absolute calibration was carefully done using H & K' photometry from Lick observations (Figer 1995). Extinction was estimated with an assumed H-K' color, and completeness test has been performed. The surface density profile is calculated from dereddened, completeness-limited K' photometry.

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