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Star formation in the hosts of high-z QSOs: Evidence from Spitzer PAH detections
D. Lutz, E. Sturm, L. J. Tacconi +7
We present Spitzer rest-frame mid-infrared spectroscopy of twelve z~2 mm-bright type 1 QSOs, selected from unlensed and lensed QSO samples and covering a range of AGN optical lumin…
PAH emission and star formation in the host of the z~2.56 Cloverleaf QSO
D. Lutz, E. Sturm, L. J. Tacconi +7
We report the first detection of the 6.2micron and 7.7micron infrared `PAH' emission features in the spectrum of a high redshift QSO, from the Spitzer-IRS spectrum of the Cloverlea…
Search for sub-mm, mm and radio continuum emission from Extremely Red Objects
Niruj R. Mohan, A. Cimatti, H. J. A. Roettgering +5
We present the results of sub-mm, mm (850 um, 450 um and 1250 um) and radio (1.4 and 4.8 GHz) continuum observations of a sample of 27 K-selected Extremely Red Objects, or EROs, (1…
A Powerful Radio Halo in the Hottest Known Cluster of Galaxies 1E0657-56
H. Liang, R. W. Hunstead, M. Birkinshaw +1
We report the detection of a diffuse radio halo source in the hottest known cluster of galaxies 1E0657-56 (RXJ0658-5557). The radio halo has a morphology similar to the X-ray emiss…
Co Detection of the Extremely Red Galaxy HR10
Paola Andreani, Andrea Cimatti, Laurent Loinard +1
CO J = 5 - 4 and J = 2 - 1 emission lines were detected towards the extremely red galaxy (ERG) HR10 (J164502+4626.4) at z=1.44. The CO intensities imply a molecular gas mass M(H2)…
Looking for the S-Z Effect towards Distant ROSAT Clusters of Galaxies
P. Andreani, L. Pizzo, G. Dall'Oglio +7
We report on observations of the Sunyaev-Zeldovich effect towards X-ray ROSAT clusters taken with a double channel (1.2 and 2 mm) photometer installed at the focus of the 15m SEST…