Articles by P. Marziani

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Monitoring AGNs with Hβ Asymmetry. V. Long-term Variation and Evolution of the Broad Hβ Emission-Line Profiles

1 March 2025 by Feng-Na Fang and others

Astrophysics of Galaxies

Super-Eddington Accretion in Quasars

20 February 2025 by P. Marziani and others at

ASTRON

Astrophysics of Galaxies, High Energy Astrophysical Phenomena

Where to search for supermassive binary black holes

18 February 2025 by Paola Marziani and others

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

Dark and bright sides of the Broad Line Region clouds as seen in the FeII emission of SDSS RM 102

30 August 2024 by Alberto Floris and others

Astrophysics of Galaxies

Exploring the links between quasar winds and radio emission along the Main Sequence at high redshift

12 August 2024 by Alice Deconto-Machado and others

Astrophysics of Galaxies

The extremes of AGN variability: outbursts, deep fades, changing looks, exceptional spectral states, and semi-periodicities

31 July 2024 by Stefanie Komossa and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

Chemical abundances along the quasar main sequence

7 May 2024 by Alberto Floris and others

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

BAL effect in quasars due to source orientation

5 June 2023 by Marzena Śniegowska and others at

ASTRON

Astrophysics of Galaxies

A redshifted excess in the broad emission lines after the flare of the γ-ray narrow-line Seyfert 1 PKS 2004-447

21 March 2023 by W. Hon and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

High-redshift quasars along the Main Sequence

7 November 2022 by Alice Deconto-Machado and others

Astrophysics of Galaxies

Statistical analysis of AlIII 1860 and CIII] 1909 emission lines as virial black hole mass estimators in quasars

12 September 2022 by T. Buendia-Rios and others

Astrophysics of Galaxies

Unravelling the nature of the dual AGN in the galaxy pair system IRAS 05589+2828 and 2MASX J06021107+2828382

12 August 2022 by Ernesto Benitez and others

Astrophysics of Galaxies

What about high redshift sources in the Main Sequence of quasars?

28 May 2022 by Alice Deconto-Machado and others

Astrophysics of Galaxies

The intermediate-ionization lines as virial broadening estimators for Population A quasars

14 May 2022 by P. Marziani and others

Astrophysics of Galaxies

The Main Sequence of quasars: the taming of the extremes

7 November 2021 by P. Marziani and others

Astrophysics of Galaxies

X-ray spectroscopic survey of highly-accreting AGN

13 October 2021 by Marco Laurenti and others

Astrophysics of Galaxies, High Energy Astrophysical Phenomena

Hunting for the nature of the enigmatic narrow-line Seyfert 1 galaxy PKS 2004-447

30 July 2021 by Mateo Berton and others

High Energy Astrophysical Phenomena

Interpreting automatic AGN classifiers with saliency maps

19 April 2021 by Tia Peruzzi and others

Astrophysics of Galaxies, High Energy Astrophysical Phenomena

Dark energy constraints from quasar observations

30 January 2021 by Bożena Czerny and others at

ASTRON

Cosmology and Nongalactic Astrophysics

Selection of highly-accreting quasars: Spectral properties of FeII emitters not belonging to extreme Population A

12 October 2020 by Nicolas Bon and others

Astrophysics of Galaxies

Optical spectral properties of radio loud quasars along the main sequence

27 April 2020 by A. Del Olmo and others

Astrophysics of Galaxies

The quasar main sequence and its potential for cosmology

17 February 2020 by P. Marziani and others

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

Extreme quasars as distance indicators in cosmology

28 January 2020 by Deborah Dultzin and others

Cosmology and Nongalactic Astrophysics, Astrophysics of Galaxies

Quasar emission lines as virial luminosity estimators

23 August 2019 by P. Marziani and others

Astrophysics of Galaxies

Radio-loudness along the quasar main sequence

20 August 2019 by V. Ganci and others

Astrophysics of Galaxies

Black hole mass estimates in quasars - A comparative analysis of high- and low-ionization lines

2 May 2019 by P. Marziani and others

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

Quasars: from the Physics of Line Formation to Cosmology

28 January 2019 by P. Marziani and others

Astrophysics of Galaxies, Cosmology and Nongalactic Astrophysics

Fe II velocity shifts in optical spectra of type 1 AGN

14 December 2018 by Edi Bon and others

Astrophysics of Galaxies

Extreme quasars at high redshift

28 September 2018 by M. Martınez-Aldama and others

Astrophysics of Galaxies

Highly accreting quasars: The SDSS low-redshift catalog

21 September 2018 by Castalia Alenka Negrete and others

Astrophysics of Galaxies

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Astrophysics of Galaxies Cosmology and Nongalactic Astrophysics High Energy Astrophysical Phenomena Instrumentation and Methods for Astrophysics Data Analysis, Statistics and Probability Atmospheric and Oceanic Physics Earth and Planetary Astrophysics Geophysics