Large-scale distribution of interstellar matter in the central region of our Galaxy

Details Large-scale distribution of interstellar matter in the central region of our Galaxy Large-scale distribution of interstellar matter in the central region of our Galaxy

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008an....329..992f&link_type=abstract

Astronomische Nachrichten, Vol.329, Issue , p.992

Astronomy and Astrophysics

Astronomy

2

Galaxy: Bulge, Galaxy: Center, Ism: General, Ism: Structure

Scientific paper

In this paper, we review the present observational knowledge on the physical properties and the large-scale spatial distribution of interstellar matter in the central region of our Galaxy, out to a distance of 3 kpc from the Galactic center. We mainly focus on the interstellar gas, which contains ˜98 % of the total interstellar mass, leaving the remaining ˜2% to interstellar dust. In a second step, we present a global model of the interstellar gas distribution, which incorporates the relevant results of a vast number of observational studies as well as those of numerical simulations of gas flows in the gravitational potential of a barred galaxy.

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