The Starburst model for radio-quiet Active Galactic Nuclei (AGN) postulates that the activity seen in most AGN is powered solely by young stars and compact...
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PublicaciónActive galactic nuclei and nuclear starbursts.
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PublicaciónActive Galactic Nuclei Feedback and the Origin and Fate of the Hot Gas in Early-type Galaxies
A recent determination of the relationships between the X-ray luminosity of the ISM (L X) and the stellar and total mass for a sample of nearby early-type...
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PublicaciónAGILE, Fermi, Swift, and GASP/WEBT multi-wavelength observations of the high-redshift blazar 4C +71.07 in outburst
Context. The flat-spectrum radio quasar 4C +71.07 is a high-redshift (z = 2.172), γ-loud blazar whose optical emission is dominated by thermal radiation from...
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PublicaciónALMA High-Level Data Products: submillimetre counterparts of SDSS quasars in the ALMA footprint
The Atacama Large Millimetre/submillimetre Array (ALMA) is the world's most advanced radio interferometric facility, producing science data with an average rate...
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PublicaciónALMA Observations of the Molecular Gas in the Elliptical Galaxy NGC 3557
We present the results of CO interferometric observations of the southern elliptical galaxy NGC 3557 with ALMA. We have detected both the CO(1–0) emission line...
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PublicaciónAn excess of damped Lyman α galaxies near quasi-stellar objects
We present a sample of 33 damped Lyman α systems (DLAs) discovered in the Sloan Digital Sky Survey (SDSS) whose absorption redshifts (zabs) are within 6000 km s...
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PublicaciónAn unusual iron Lo-BAL quasar detected by ISOCAM
We report the discovery of an unusual low-ionization broad absorption line quasar at z=1.776 which exhibits absorption lines from many excited states of Fe II...
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PublicaciónAnalysis of possible anomalies in the QSO distribution of the Flesch & Hardcastle catalogue
Aims:A recent catalogue by Flesch & Hardcastle presents two major anomalies in the spatial distribution of QSO candidates: i) an apparent excess of such objects...
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PublicaciónAre high polarization quasars and BL Lacertae objects really different? A study of the optical spectral properties.
The continuum and emission lines properties of a sample of 73 blazars is studied, investigating differences and similarities among normal low-polarization...