144 citations · 469 across the 17 of their papers we have counts for
17 papers
Searching for unresolved massive black hole pairs through AGN photometric variability
Lorenzo Bertassi, Maria Charisi, Fabio Rigamonti +2
Since their discovery, AGN light curves are known to be intrinsically variable. In the optical/UV band, this variability is consistent with correlated or red noise and is particula…
Fast premerger detection of massive black-hole binaries in LISA based on time-frequency excess power
Francesco Nobili, Malvina Bellotti, Riccardo Buscicchio +2
The Laser Interferometer Space Antenna is expected to observe gravitational waves from massive black hole binaries across cosmic time. Many are anticipated to be detectable hours t…
Identification of periodicities with arbitrary shapes in AGN light curves
Lorenzo Bertassi, Maria Charisi, Riccardo Buscicchio +3
Massive black hole binaries are expected to be observable as periodic AGN in time-domain photometric surveys. Periodicities may originate from different physical processes, includi…
Variability in the supermassive black hole binary candidate SDSS J2320+0024: No evidence of periodic modulation
Fabio Rigamonti, Lorenzo Bertassi, Riccardo Buscicchio +5
Supermassive black hole binaries (SBHBs) are a natural outcome of galaxy mergers, and they are expected to be among the loudest gravitational-wave sources at low frequencies. The s…
Can a time evolving, asymmetric broad line region mimic a massive black hole binary?
Erika Sottocorno, Mary Ogborn, Lorenzo Bertassi +3
Gas within the influence sphere of accreting massive black holes is responsible for the emission of the broad lines observed in optical-UV spectra of unobscured active galactic nuc…
ESPRESSO reveals a single but perturbed broad-line region in the supermassive black hole binary candidate PG 1302-102
Fabio Rigamonti, Paola Severgnini, Erika Sottocorno +12
We present a new, Bayesian analysis of the highest-resolution optical spectrum of the supermassive black hole (SMBH) binary candidate PG 1302-102, obtained with ESPRESSO@VLT (R \si…
Testing compact massive black hole binary candidates through multi-epoch spectroscopy
Lorenzo Bertassi, Erika Sottocorno, Fabio Rigamonti +4
Emission from two massive black holes (MBHs) bound in a close binary is expected to be modulated by different processes, such as the Doppler boost due to the orbital motion, accret…
A quasar-galaxy merger at : rapid host growth via accretion of two massive satellite galaxies
Roberto Decarli, Federica Loiacono, Emanuele Paolo Farina +38
We present JWST/NIRSpec Integral Field Spectroscopy in the rest-frame optical bands of the system PJ308-21, a quasar at caught as its host galaxy interacts with companio…
Partial alignment between jets and megamasers: Coherent versus selective accretion
Massimo Dotti, Riccardo Buscicchio, Francesco Bollati +3
Spins play a crucial role in the appearance, evolution, and occupation fraction of massive black holes (MBHs). To date, observational estimates of MBH spins are scarce, and the ass…
A quasar-galaxy merger at : black hole mass and quasar properties from the NIRSpec spectrum
Federica Loiacono, Roberto Decarli, Marco Mignoli +31
We present JWST/NIRSpec integral field data of the quasar PJ308-21 at . As shown by previous ALMA and HST imaging, the quasar has two companion sources, interacting with…
Astrophysical and relativistic modeling of the recoiling black-hole candidate in quasar 3C 186
Matteo Boschini, Davide Gerosa, Om Sharan Salafia +1
The compact object in quasar 3C 186 is one of the most promising recoiling black-hole candidates, exhibiting both an astrometric displacement between the quasar and the host galaxy…
A possible sub-kiloparsec dual AGN buried behind the galaxy curtain
P. Severgnini, V. Braito, C. Cicone +11
Although thousands of galaxy mergers are known, only a handful of sub-kiloparsec-scale supermassive black hole (SMBH) pairs have been confirmed so far, leaving a huge gap between t…
Testing the blast-wave AGN feedback scenario in MCG-03-58-007
Mattia Sirressi, Claudia Cicone, Paola Severgnini +7
We report the first Atacama large millimeter/submillimeter array observations of MCG-03-58-007, a local (, this work) AGN ()…
Quasi-periodicities at year-like timescales in Blazars
Angela Sandrinelli, Stefano Covino, Massimo Dotti +1
We searched for quasi-periodicities on year-like timescales in the light curves of 6 blazars in the optical - near infrared bands and we made a comparison with the high energy emis…
The Gravitational Universe
The eLISA Consortium, :, P. Amaro Seoane +158
The last century has seen enormous progress in our understanding of the Universe. We know the life cycles of stars, the structure of galaxies, the remnants of the big bang, and hav…
The peculiar optical spectrum of 4C+22.25: Imprint of a massive black hole binary?
Roberto Decarli, Massimo Dotti, Carmen Montuori +2
We report the discovery of peculiar features in the optical spectrum of 4C+22.25, a flat spectrum radio quasar at z=0.4183 observed in the SDSS and in a dedicated spectroscopic fol…
Probing the nature of the massive black hole binary candidate SDSS J1536+0441
R. Decarli, M. Dotti, R. Falomo +5
We present an imaging study of the black hole binary candidate SDSS J1536+0441 (z=0.3893), based on deep, high resolution VzK images collected at the ESO/VLT. The images clearly sh…