Warm molecular gas in the Galactic center region

Details Warm molecular gas in the Galactic center region Warm molecular gas in the Galactic center region

2002-06-07

arxiv.org/abs/astro-ph/0206108v1

Astrophys.Space Sci. 281 (2002) 331-332

Astronomy and Astrophysics

Astrophysics

Slightly enlarged version of the Contribution to the conference "The evolution of galaxies II: basic building blocks", Eds. Sa

Scientific paper

10.1023/A:1019593524808

We present some recent studies on the physical conditions and the chemistry of the interstellar medium (ISM) in the Galactic center region (GCR). Large scale shocks in the context of a bar potential can play a role in explaining the observed properties, at least in some particular regions. Alternatively, we propose that the observed properties (inhomogeneity, high temperatures of the molecular gas, rich chemistry,...) of the GCR ISM can be the consequence of the recent past ($10^6-10^7$ years ago) of massive star formation in the GCR.

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