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- Centre National de la Recherche ScientifiqueFR405 papers
- Laboratoire d’Etudes du Rayonnement et de la Matière en Astrophysique et AtmosphèresFR251 papers
- Max Planck Institute for Extraterrestrial PhysicsDE246 papers
- Institut de Radioastronomie MillimétriqueFR232 papers
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- Max Planck Institute for AstronomyDE187 papers
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28 papers · 2 filters
The Dense Molecular Gas and Nuclear Activity in the ULIRG IRAS 13120-5453
G. C. Privon, S. Aalto, N. Falstad +12
We present new ALMA Band 7 ( GHz) observations of the dense gas tracers HCN, HCO, and CS in the local, single-nucleus, ultraluminous infrared galaxy IRAS 13120-5453. W…
PHIBSS: Exploring the Dependence of the CO-H Conversion Factor on Total Mass Surface Density at
Timothy Carleton, Michael C. Cooper, Alberto D. Bolatto +10
We present an analysis of the relationship between the CO-H conversion factor () and total mass surface density () in star-forming galaxies at $z < 1…
Optical Depth Estimates and Effective Critical Densities of Dense Gas Tracers in the Inner Parts of Nearby Galaxy Discs
M. J. Jimenez-Donaire, F. Bigiel, A. K. Leroy +17
High critical density molecular lines like HCN(1-0) or HCO+(1-0) represent our best tool to study currently star-forming, dense molecular gas at extragalactic distances. The optica…
Sub-arcsecond imaging of the water emission in Arp 220
S. König, S. Martín, S. Muller +14
Extragalactic observations of water emission can provide valuable insights into the excitation of the interstellar medium. In addition, extragalactic megamasers are powerful probes…
Millimeter-Wave Line Ratios and Sub-beam Volume Density Distributions
Adam K. Leroy, Antonio Usero, Andreas Schruba +11
We explore the use of mm-wave emission line ratios to trace molecular gas density when observations integrate over a wide range of volume densities within a single telescope beam.…
Star formation and gas flows in the centre of the NUGA galaxy NGC 1808 observed with SINFONI
Gerold Busch, Andreas Eckart, Mónica Valencia-S. +4
NGC 1808 is a nearby barred spiral galaxy which hosts young stellar clusters in a patchy circumnuclear ring with a radius of . In order to study the gaseous…