4.6 Article

A boxy bulge in the Milky Way. Inversion of the stellar statistics equation with 2MASS data

Journal

ASTRONOMY & ASTROPHYSICS
Volume 439, Issue 1, Pages 107-110

Publisher

EDP SCIENCES S A
DOI: 10.1051/0004-6361:20053075

Keywords

galaxy : structure; infrared : stars

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Inverting the stellar statistics equation from 2MASS star counts, we obtain the 3D density distribution of the Galactic bulge as well as its luminosity function in the K-band. This results in a boxy bulge with axial ratios 1:0.5:0.4 and a major axis angle with respect to the Sun-galactic center of 20 degrees-35 degrees.

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