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This research aims to analyze a sample of broad-line AGNs and Little Red Dots, focusing on their properties and clustering.

February 26, 2026The Astrophysical JournalOpen Access

NEXUS: A Spectroscopic Census of Broad-line AGNs and Little Red Dots at 3 ≲ z ≲ 6

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This research aims to analyze a sample of broad-line AGNs and Little Red Dots, focusing on their properties and clustering.
Selected 24 broad-line AGNs using NIRCam/WFSS grism spectroscopy.
Classified 15 as Little Red Dots based on spectral slopes and morphology.
Measured black hole masses and Eddington ratios, while assessing emission and clustering.
Identified a number density of LRDs around 10−5 cMpc−3.
Detected significant extended UV–optical emission from host galaxies of LRDs.
Inferred linear bias of 3.6 and halo masses for BLAGNs at z ∼ 4.5.

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Spectroscopic analysis characterizes broad-line AGNs and Little Red Dots, revealing implications for cosmic structures.

Zhuang et al. (2026) studied this question.

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