Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003hsa..conf..243u&link_type=abstract
in Highlights of Spanish Astrophysics III. Proceedings of the fifth Scientific Meeting of the Spanish Astronomical Society (SEA)
Astronomy and Astrophysics
Astrophysics
Galaxies: Individual: Messier Number: M82, Galaxies: Nuclei, Galaxies: Starburst, Ism: Molecules, Molecular Processes, Radio Lines: Galaxies
Scientific paper
The study of Chemistry in External Galaxies has been made possible since the advent of last generation millimeter telescopes/interferometers. Going beyond CO maps is key to study the evolutionary path of massive star formation episodes in galaxies. We present here the results obtained from a high-resolution (~5'') study made in the nucleus of the starburst galaxy M82, based on observations of the silicon monoxide (SiO) and the formyl radical (HCO) species. Observations have been carried out with the IRAM Plateau de Bure interferometer. SiO and HCO are privileged tracers of shock chemistry and photon-dominated regions (PDR) environments, respectively. These maps show a sharp picture of the heavy influence of the star formation episode on the properties of the interstellar medium in M82.
Garcia-Burillo Santiago
Usero Antonio
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