Discovery of a binary quasar at z~0.2 with 430 pc separation indicating a bound SMBH pair each >4e8 Msun, with 2.5 Gyr upper limit on merger timescale and implications for the PTA gravitational wave background.
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2 Pith papers cite this work. Polarity classification is still indexing.
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AGN obscuration classifications mismatch in ~30% of cases, with broad-line X-ray-absorbed and narrow-line X-ray-unabsorbed populations showing distinct gas-to-dust ratios and host properties, indicating obscuration arises from both orientation and multi-scale distributions.
citing papers explorer
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Discovery of a close-separation binary quasar at the heart of a z~0.2 merging galaxy and its implications for low-frequency gravitational waves
Discovery of a binary quasar at z~0.2 with 430 pc separation indicating a bound SMBH pair each >4e8 Msun, with 2.5 Gyr upper limit on merger timescale and implications for the PTA gravitational wave background.
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AGN obscuration in optical and X-rays: Host properties and the interplay of nuclear and galactic gas and dust in a combined SDSS-XMM sample
AGN obscuration classifications mismatch in ~30% of cases, with broad-line X-ray-absorbed and narrow-line X-ray-unabsorbed populations showing distinct gas-to-dust ratios and host properties, indicating obscuration arises from both orientation and multi-scale distributions.