Where did all the Little Red Dots go? The abundance of LRD analogues among objects with broad lines at z < 0.35

arXiv:2608.05267 · astro-ph.GA · Submitted 2026-08-05 · Read on arXiv

Lasse Seyberlich, Sarah E. I. Bosman

astro-ph.GA

Submitted: 2026-08-05

Comments: 15 pages, 6 figures. Submitted to A&A

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• AGN — 30× in this paper · explained in 1 episode
• Little Red Dots — 13× in this paper · explained in 2 episodes
• Core — 8× in this paper · explained in 2 episodes
• James Webb Space Telescope — 3× in this paper
• Lawrence Berkeley National Laboratory — 3× in this paper
• Abundance — 2× in this paper · explained in 1 episode
• Anti-correlation — 2× in this paper · explained in 3 episodes
• Dark Energy Survey — 2× in this paper
• Active Galactic Nuclei (AGN) — 1× in this paper · explained in 1 episode
• Clustering — 1× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Cooperation — 1× in this paper · explained in 2 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Ensemble Learning — 1× in this paper · explained in 2 episodes
• Max-Planck-Institute for Astronomy — 1× in this paper
• Max-Planck-Institute for Astrophysics — 1× in this paper
• SDSS Science Archive Server1 — 1× in this paper
• alpha — 1× in this paper · explained in 1 episode

Sources

• Origins of the UV continuum and Balmer emission lines in Little Red Dots: observational validation of dense gas envelope models enshrouding the AGN
• From "The Cliff" to "Virgil": Mapping the Spectral Diversity of Little Red Dots with JWST/NIRSpec
• Do little red dots really form a distinct class of astronomical objects?
• A close look at the black hole masses and hot dusty toruses of the first quasars with MIRI-MRS
• Too Quiet for Comfort: Local Little Red Dots Lack Variability over Decades
• A Population of Little Red Dot-like Quasars in SDSS
• Little Red Dots as Globular Clusters in Formation
• Three Hundred Quasars from the Couch: A first look at high-redshift quasar discovery with SPHEREx
• Little Red Dots host Black Hole Stars: A unified family of gas-reddened AGN revealed by JWST/NIRSpec spectroscopy
• The DESI Experiment Part I: Science,Targeting, and Survey Design
• Discovery of low-redshift analogues to "Little Red Dots" in DESI: A later evolutionary stage of compact LRDs?
• Cosmology with the SPHEREX All-Sky Spectral Survey
• Euclid Quick Data Release (Q1). Extending the quest for little red dots to z<4
• Discovery of two little red dots transitioning into quasars
• The GlimmIr: Spectroscopic Variability in a z~7 LRD Indicates Rapid Changes in Both the Narrow and Broad Line Regions
• Local Analogs of Little Red Dots: Optical Variability and Evidence for an Active Galatic Nucleus Origin
• (LRDs)$^2$: The Low-ReDshift Little Red Dots Survey. II. DESI DR1 Sample
• The Balmer Break and Optical Continuum of Little Red Dots from Super-Eddington Accretion
• How I Wonder What You Are -- JWST's Little Red Dots do not TWINKLE
• The Engine and its Flows: Little Red Dot spectra are shaped by the column densities of their gas envelopes

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• MEGATRON: how the first stars can create an iron metallicity plateau in the smallest dwarf galaxies