The physical and chemical structure of Sagittarius B2

Context. We model the emission of methyl cyanide (CH3CN) lines towards the massive hot molecular core Sgr B2(M). Aims. We aim to reconstruct the CH3CN abundance field, and investigate the gas temperature distribution as well as the velocity field. Methods. Sgr B2(M) was observed with the Atacama Lar...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2018-06, Vol.614
Hauptverfasser:	Pols, S., Schwörer, A., Schilke, P., Schmiedeke, A., Sánchez-Monge, Á., Möller, Th
Format:	Artikel
Sprache:	eng
Schlagworte:	Abundance Acetonitrile Computer simulation Cores Cyanides Density Dust Emission Gas temperature ISM: clouds ISM: individual objects: SgrB2 ISM: molecules Line spectra Luminosity Molecular chains Morphology Organic chemistry Radiative transfer Radio telescopes Relative abundance stars: formation stars: massive Superposition (mathematics) Temperature distribution Velocity Velocity distribution Velocity gradient
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