| Issue |
A&A
Volume 439, Number 1, August III 2005
|
|
|---|---|---|
| Page(s) | 107 - 110 | |
| Section | Galactic structure, stellar clusters, and populations | |
| DOI | https://doi.org/10.1051/0004-6361:20053075 | |
| Published online | 22 July 2005 | |
A boxy bulge in the Milky Way. Inversion of the stellar statistics equation with 2MASS data
1
Instituto de Astrofísica de Canarias, C/.vía Láctea, s/n, 38200 La Laguna (S/C de Tenerife), Spain e-mail: [martinlc;acabrera]@iac.es
2
Astronomisches Institut der Universität Basel, Venusstrasse 7, 4102 Binningen, Switzerland
Received:
27
January
2004
Accepted:
31
March
2005
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 
.
Key words: Galaxy: structure / infrared: stars
© ESO, 2005
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