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Search for dense molecular gas in QSO hosts

✍ Scribed by J.-U. Pott; A. Eckart; M. Krips; L. Tacconi-Garman; E. Lindt

Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
256 KB
Volume
50
Category
Article
ISSN
1387-6473

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✦ Synopsis

We present the results of a recently conducted mm-experiment at the IRAM 30 m telescope. We searched in two QSO hosts for the HCN(J = 1-0) line emission tracing the dense regions of gas. Our goal is to probe the HCN-CO line ratio in QSO hosts for the first time and to compare the results with recent findings of quiescent galaxies. These findings indicate a strong correlation between the star formation efficiency and the HCN-CO line ratio over several orders of magnitudes in infrared luminosities.

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✍ T. Bertram; A. Eckart; M. Krips; C. Straubmeier; S. Fischer; J.G. Staguhn πŸ“‚ Article πŸ“… 2006 πŸ› Elsevier Science 🌐 English βš– 218 KB

We present the results of a survey for CO line emission from a sample of nearby QSO hosts taken from the Hamburg/ESO survey (HES) and the Ve Β΄ron-Cetty and Ve Β΄ron quasar catalogue. From a total of 39 observed sources we clearly detected five objects with >10r signals (