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Dense gas in luminous infrared galaxies
W. A. Baan, C. Henkel, A. F. Loenen +2
Molecules that trace the high-density regions of the interstellar medium have been observed in (ultra-)luminous (far-)infrared galaxies, in order to initiate multiple-molecule mult…
A Population of Massive and Evolved Galaxies at z$\ga$5
T. Wiklind, M. Dickinson, H. C. Ferguson +4
We report results from a search for massive and evolved galaxies at z>5 in the GOODS southern field. Combining HST ACS, VLT ISAAC and Spitzer IRAC photometric data, we develop a co…
Upper limits to the water abundance in starburst galaxies
C. D. Wilson, R. S. Booth, A. O. H. Oloffson +11
We have searched for emission from the 557 GHz ortho-water line in the interstellar medium of six nearby starburst galaxies. We used the Odin satellite to observe the 1_10-1_01 tra…
Distribution of the molecular absorption in front of the quasar B0218+357
S. Muller, M. Guelin, F. Combes +1
The line of sight to the quasar B0218+357, one of the most studied lensed systems, intercepts a z=0.68 spiral galaxy, which splits its image into two main components A and B, separ…
A Comparison between Anomalous 6-cm HCO Absorption and CO(1-0) Emission in the L1204/S140
Monica Ivette Rodriguez, Tommy Wiklind, Ronald J. Allen +2
We report observations of the dust cloud L1204 with the Onsala 25-m telescope in the 6 cm (1) transition of \htco. The observed region includes the S140 H arc. Thi…
Highly-excited CO emission in APM08279+5255 at z=3.9
A. Weiss, D. Downes, R. Neri +5
We report the detection of the CO 4-3, 6-5, 9-8, 10-9, and 11-10 lines in the Broad Absorption Line quasar APM08279+5255 at z=3.9 using the IRAM 30m telescope. We also present IRAM…
Molecular oxygen in the rho Ophiuchi cloud
B. Larsson, R. Liseau, L. Pagani +56
Molecular oxygen, O2 has been expected historically to be an abundant component of the chemical species in molecular clouds and, as such, an important coolant of the dense interste…