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

López-Corredoira, M.; Cabrera-Lavers, A.; Gerhard, O. E.
Bibliographical reference

Astronomy and Astrophysics, Volume 439, Issue 1, August III 2005, pp.107-110

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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°-35°.