Red quasars are intrinsically X-ray weak with low alpha_OX values, tracing a distinct evolutionary stage of suppressed black hole accretion relative to stellar mass growth.
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6 Pith papers cite this work, alongside 376 external citations. Polarity classification is still indexing.
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Low-luminosity AGN exhibit structure function slopes rising from 0.1 to 0.3 with black hole mass, no breaks on decadal scales, amplitude anticorrelated with luminosity and positively correlated with mass.
XRISM spectroscopy of NGC 4388 shows the Fe Kα line arising from the torus, inner torus edge, and BLR at distinct radii, with absorption revealing a gravitationally bound failed wind.
Disk reflection from a compact lamp-post corona explains the X-ray polarization and spectra of NGC 4151.
Efficient neutrino production requires an external radiation field stronger than the magnetic field near the broad-line region, but this conflicts with single-zone broadband emission, implying the neutrino site must be physically separated from the dominant electromagnetic zone in uncommon jet confi
Multi-epoch spectroscopy of UNAM-KIAS 613 shows transient double-peaked broad Hα emission interpreted as a one-time bipolar outflow in an isolated low-luminosity AGN with Eddington ratio ~0.03-0.04.
citing papers explorer
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Complex Nuclear Structure in Seyfert 2 Galaxy NGC 4388 Revealed by XRISM Observation
XRISM spectroscopy of NGC 4388 shows the Fe Kα line arising from the torus, inner torus edge, and BLR at distinct radii, with absorption revealing a gravitationally bound failed wind.
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Disk reflection as the origin of the X-ray polarization of NGC 4151 with IXPE
Disk reflection from a compact lamp-post corona explains the X-ray polarization and spectra of NGC 4151.
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Locating the Production Sites of High-Energy Neutrinos in Blazar Jets
Efficient neutrino production requires an external radiation field stronger than the magnetic field near the broad-line region, but this conflicts with single-zone broadband emission, implying the neutrino site must be physically separated from the dominant electromagnetic zone in uncommon jet confi