Molecular Gas in Ultra-Luminous Infrared QSOs

Details Molecular Gas in Ultra-Luminous Infrared QSOs Molecular Gas in Ultra-Luminous Infrared QSOs

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..408..179t&link_type=abstract

The Starburst-AGN Connection. ASP Conference Series, Vol. 408, proceedings of the conference held 27-31 October 2008, at Shangha

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We present the CO emission line observations for 19 infrared-luminous QSOs (IR QSOs) in the local universe(z<0.37), using the IRAM 30m telescope. The detections (≥ 4 σ levels) of 15 IR QSOs are reported here. Adding five previously published detections, we find that the derived CO luminosities of 24 IR QSOs are a few times of 10^9 to 1010 L_l, one order of magnitude higher than those of optically selected QSOs. For all detected IR QSOs, the average CO line width is Δ vFWHM ˜ 250 ± 80 km s-1. Thus the majority of galaxies hosting IR QSOs are quite rich in molecular gas.

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