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

M. Lopez-Corredoira , A. Cabrera-Lavers , O. E. Gerhard

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classification 🌌 astro-ph

keywords bulgeboxyequationmassstatisticsstellarangleaxial

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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^\circ-35^\circ $.

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

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