Euclid identifies 16 massive compact galaxies with V-shaped SEDs at z>4, half as old as the universe at their redshift, mostly distinct from known AGN.
Title resolution pending
3 Pith papers cite this work. Polarity classification is still indexing.
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astro-ph.GA 3years
2026 3verdicts
UNVERDICTED 3representative citing papers
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.
X-ray AGN at intermediate redshifts live in dark matter halos of mass ~10^13 solar masses with no significant dependence on black hole mass, Eddington ratio or X-ray luminosity.
citing papers explorer
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Euclid: Scaled-up little red dots and other sources with v-shaped spectral energy distributions at z>4
Euclid identifies 16 massive compact galaxies with V-shaped SEDs at z>4, half as old as the universe at their redshift, mostly distinct from known AGN.
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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.
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Large-scale environments of star-forming active galactic nuclei: How black hole mass, accretion rate, and luminosity connect to dark matter halos
X-ray AGN at intermediate redshifts live in dark matter halos of mass ~10^13 solar masses with no significant dependence on black hole mass, Eddington ratio or X-ray luminosity.