A&A 467, 611-627 (2007)
Spatial distribution of interstellar gas in the innermost 3 kpc of our galaxyK. Ferrière1, W. Gillard2, and P. Jean2
1 LATT-OMP, CNRS/UPS, 31028 Toulouse Cedex 4, France
2 CESR-OMP, CNRS/UPS, BP 4346, 31028 Toulouse Cedex 4, France
(Received 20 December 2006 / Accepted 17 February 2007)
We review the present observational knowledge on the spatial distribution and the physical state of the different (molecular, atomic and ionized) components of the interstellar gas in the innermost 3 kpc of our Galaxy - a region which we refer to as the interstellar Galactic bulge, to distinguish it from its stellar counterpart.
Key words: ISM: general -- ISM: structure -- ISM: kinematics and dynamics -- Galaxy: structure -- ISM: molecules -- ISM: atoms
© ESO 2007