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Super-Eddington Accretion in Quasars
P. Marziani, K. Garnica Luna, A. Floris +5
This review provides an observational perspective on the fundamental properties of super-Eddington accretion onto supermassive black holes in quasars. It begins by outlining the se…
From sub-solar to super-solar chemical abundances along the quasar main sequence
Paola Marziani, Alberto Floris, Alice Deconto-Machado +8
The 4D Eigenvector 1 sequence has proven to be a highly effective tool for organizing observational and physical properties of type 1 active galactic nuclei (AGN). In this paper, w…
Optical and near-UV spectroscopic properties of low-redshift jetted quasars in the main sequence context
Shimeles Terefe, Ascensión Del Olmo, Paola Marziani +4
This paper presents new optical and near-UV spectra of 11 extremely powerful jetted quasars, with radio to optical flux density ratio 10, that concomitantly cover the low-i…
Disturbed, diffuse, or just missing? A global study of the HI content of Hickson Compact Groups
M. G. Jones, L. Verdes-Montenegro, J. Moldon +11
Hickson Compact Groups (HCGs) are dense configurations of 4 to 10 galaxies, whose HI (neutral gas) morphology appears to follow an evolutionary sequence of three phases, with gas i…
The local Universe in the era of large surveys -- II. Multi-wavelength characterisation of activity in nearby S0 galaxies
C. Jiménez-Palau, J. M. Solanes, J. D. Perea +2
This is the second paper in a series using data from tens of thousands S0 galaxies of the local Universe () retrieved from the NASA-Sloan Atlas. It builds on the out…
Isolating an outflow component in single-epoch spectra of quasars
Paola Marziani, Alice Deconto-Machado, Ascension del Olmo
Gaseous outflows appear to be a universal property of type-1 and type-2 active galactic nuclei (AGN). The main diagnostic is provided by emission features shifted to higher frequen…