An excess of very bright stars in the inner bulge

Details An excess of very bright stars in the inner bulge An excess of very bright stars in the inner bulge

2000-07-28

arxiv.org/abs/astro-ph/0007445v1

Mon.Not.Roy.Astron.Soc. 320 (2001) 31

Astronomy and Astrophysics

Astrophysics

6 pages, 12 figures, accepted to be published in MNRAS

Scientific paper

10.1046/j.1365-8711.2001.03947.x

From an analysis of the stars remaining in central regions of the Galaxy after subtracting those belonging to the disc and the bulge, we deduce that the inner bulge must have an extra young population with respect the rest of the bulge. It is shown that there is a higher ratio of very bright stars in the central bulge than than there is in the outer bulge. This is interpreted as being an additional young component due to the presence of star formation regions near the Galactic Centre which is absent in the outer bulge.

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