Luminosity Function of the Perigalactocentric Region

Details Luminosity Function of the Perigalactocentric Region Luminosity Function of the Perigalactocentric Region

1996-03-13

arxiv.org/abs/astro-ph/9603059v1

Astronomy and Astrophysics

Astrophysics

25 pages. Tarred, gzipped and uuencoded. Includes LaTex source file, Figures 3 to 9 and 5 Tables. Figures 1 and 2 are availabl

Scientific paper

10.1086/178053

We present H and K photometry of 42,000 stars in an area of 250 arcmin$^{2}$ centered on the Galactic center. We use the photometry to construct a dereddened K band luminosity function (LF) for this region, excluding the excessively crowded inner 2' of the Galaxy. This LF is intermediate between the LF of Baade's window and the LF of inner 2' of the Galactic center. We speculate that the bright stars in this region have an age which is intermediate between the starburst population in the Galactic center and the old bulge population. We present the coordinates and mags for 16 stars with K_{0} < 5 for spectroscopic follow up.

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