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The Effects of Active Galactic Nuclei Feedback on the Lyα Forest Flux Power Spectrum
Published 2025-01-01Subjects: Get full text
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22
A 22 Billion M⊙ Black Hole in Holmberg 15A with Keck KCWI Spectroscopy and Triaxial Orbit Modeling
Published 2025-01-01Subjects: Get full text
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23
Unveiling the Emission Mechanisms of Blazar PKS 1510−089. II. Jet−BLR Connection and Black Hole Mass Estimation
Published 2025-01-01Subjects: Get full text
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24
Semianalytical Fokker–Planck Models for Nuclear Star Clusters
Published 2025-01-01Subjects: Get full text
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25
Dark matter annihilation via Breit-Wigner enhancement with heavier mediator
Published 2025-02-01“…We propose a new scenario that both the dark matter freeze-out in the early Universe and its possible annihilation for indirect detection around a supermassive black hole are enhanced by a Breit-Wigner resonance. …”
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26
Analytical and Numerical Methods for Circumbinary Disk Dynamics. II. Inclined Disks
Published 2025-01-01“…These findings have implications for understanding both the expected gravitational-wave signal and electromagnetic counterparts from supermassive black hole binaries.…”
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27
Null Geodesics and Strong Field Gravitational Lensing of Black Hole with Global Monopole
Published 2015-01-01“…We then find Einstein rings, magnifications, and observables of the relativistic images for supermassive black hole at the center of galaxy NGC4486B. …”
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28
Relativistic Einstein rings of Reissner–Nordström black holes nonminimally coupled to electrodynamics
Published 2025-01-01“…To compare our results with previous studies in the literature we model the lens as a Galactic supermassive black hole. For fixed coupling parameters we show that such angular positions decrease as the charge parameter increases. …”
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29
The cosmic timeline implied by the highest redshift quasars
Published 2024-12-01“…Abstract The conventional picture of supermassive black-hole growth in the standard model had already been seriously challenged by the emergence of $$\sim 10^9\;M_\odot $$ ∼ 10 9 M ⊙ quasars at $$z\sim 7.5$$ z ∼ 7.5 , conflicting with the predicted formation of structure in the early $$\varLambda $$ Λ CDM Universe. …”
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30
Interaction of an Outflow with Surrounding Gaseous Clouds as the Origin of Late-time Radio Flares in Tidal Disruption Events
Published 2025-01-01“…Close encounter between a star and a supermassive black hole (SMBH) results in the tidal disruption of the star, known as a tidal disruption event (TDE). …”
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31
Constraining Binary Mergers in Active Galactic Nuclei Disks Using the Nonobservation of Lensed Gravitational Waves
Published 2025-01-01“…We show that a considerable fraction of the BBH in AGN disks will be strongly lensed by the central supermassive black hole (SMBH). Thus, the nonobservation of lensed GW signals can be used to constrain the fraction of BBH binaries residing in AGN disks. …”
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32
Distinguishing Compact Objects in Extreme-Mass-Ratio Inspirals by Gravitational Waves
Published 2025-01-01“…Assuming the “true” GW signals originate from an extended body inspiraling into a supermassive black hole, we compute the signal-to-noise ratio (SNR) and Bayes factors between a test-particle waveform template and our model, which includes the spin and quadrupole of the compact object. …”
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33
H-AMR FORGE’d in FIRE. I. Magnetic State Transitions, Jet Launching, and Radiative Emission in Super-Eddington, Highly Magnetized Quasar Disks Formed from Cosmological Initial Cond...
Published 2025-01-01“…Quasars are powered by supermassive black hole (SMBH) accretion disks, yet standard thin disk models are inconsistent with many observations. …”
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34
The Cosmic History of Black Hole Growth from Deep Multiwavelength Surveys
Published 2012-01-01“…Significant progress has been made in the last few years on understanding how supermassive black holes form and grow. In this paper, we begin by reviewing the spectral signatures of active galactic nuclei (AGN) ranging from radio to hard X-ray wavelengths. …”
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35
Can the New Neutrino Telescopes Reveal the Gravitational Properties of Antimatter?
Published 2011-01-01“…Our simplified calculations suggest that the antineutrinos emitted by supermassive black holes in the centre of the Milky Way and Andromeda Galaxy could be detected by the new generation of neutrino telescopes.…”
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36
Intermediate Mass Black Holes: Their Motion and Associated Energetics
Published 2014-01-01“…We also consider their formation in the early universe and also discuss the possibility of supermassive black holes forming from mergers of several IMBH and compare the relevant time scales involved with other scenarios.…”
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37
Recoiling Black Holes: Electromagnetic Signatures, Candidates, and Astrophysical Implications
Published 2012-01-01“…Supermassive black holes (SMBHs) may not always reside right at the centers of their host galaxies. …”
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38
A Semi-analytical Model for Stellar Evolution in AGN Disks
Published 2025-01-01“…Disks of gas accreting onto supermassive black holes may host numerous stellar-mass objects, formed within the disk or captured from a nuclear star cluster. …”
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39
Radiative properties and QPOs around charged black hole in Kalb–Ramond gravity
Published 2025-02-01“…We also obtain constrain values for the black hole mass, charge, KR field parameter, and QPO orbits found using Markovian chain Monte Carlo (MCMC) simulations for stellar mass (XTE J1550, GRS 1915+105), intermediate mass (M82-X1), and supermassive black holes (Sgr A*). Finally, we explore the radiative properties of the accretion disk around the charged black hole in KR gravity, such as the total radiation flux, accretion disc temperature, and differential luminosity.…”
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40
What Drives the H i Content of Central Galaxies—A Comparison between Hydrodynamic Simulations and Observations Using Random Forest
Published 2025-01-01“…Beyond that, the accretion rate of supermassive black holes is the most important feature in TNG, while specific star formation rate is the top ranked in EAGLE. …”
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