The Intermediate-Mass Black Hole Reverberation Mapping Project: Scientific Overview and Sample Characteristics

arXiv:2609.02179 · astro-ph.GA · Submitted 2026-09-02 · Read on arXiv

astro-ph.GA

Submitted: 2026-09-02

Updated: 2026-09-02

Comments: 37 pages, 14 figures, and 6 tables. Comments are welcome. The IMBH catalog is available at https://github.com/legolason/IMBH_catalog

Code: https://github.com/legolason/IMBH_catalog

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

Terminology

• AGN — 138× in this paper · explained in 1 episode
• Core — 22× in this paper · explained in 2 episodes
• Velocity Dispersion — 14× in this paper · explained in 2 episodes
• Calibration — 9× in this paper · explained in 7 episodes
• Trace — 5× in this paper · explained in 2 episodes
• Aperture — 4× in this paper · explained in 1 episode
• Metallicity — 4× in this paper · explained in 3 episodes
• Rapid ASKAP Continuum Survey — 4× in this paper
• Abundance — 3× in this paper · explained in 1 episode
• Stellar Feedback — 3× in this paper · explained in 2 episodes
• Benchmark — 2× in this paper · explained in 2 episodes
• Consistency — 2× in this paper · explained in 3 episodes
• Little Red Dots — 2× in this paper · explained in 2 episodes
• Selection Bias — 2× in this paper · explained in 4 episodes
• AGN Feedback — 1× in this paper · explained in 1 episode
• Accuracy — 1× in this paper · explained in 1 episode
• Alignment — 1× in this paper · explained in 1 episode
• Dust Attenuation — 1× in this paper · explained in 2 episodes
• Jansky Very Large Array Sky Survey — 1× in this paper
• Subaru Prime Focus Spectrograph — 1× in this paper
• Systematic Bias — 1× in this paper · explained in 3 episodes

Sources

• The DESI Experiment Part I: Science,Targeting, and Survey Design
• Habitable Worlds Observatory's Concept and Technology Maturation: Initial Feasibility and Trade Space Exploration
• A Sample of Active Galactic Nuclei with Intermediate-mass Black Holes Extended to $z \approx$ 0.6
• A Cosmic Miracle: A Remarkably Luminous Galaxy at $z_{\rm{spec}}=14.44$ Confirmed with JWST
• OzDES Reverberation Mapping of Active Galactic Nuclei: Final Data Release, Black-Hole Mass Results, & Scaling Relations
• Spectrophotometric reverberation mapping of Intermediate-mass black hole NGC 4395
• A New Record Census of Dwarf AGN and a Bimodal M BH - M Scaling Relation with DESI DR1
• The SRG/eROSITA All-Sky Survey DR2: Cumulative X-ray catalogues from the first three surveys and multi-wavelength counterparts in the western Galactic hemisphere
• The Mass of Quasars
• The Intermediate-Mass Black Hole Reverberation Mapping Project: First Detection of Mid-Infrared Lags in Prototypical IMBHs in NGC 4395 and POX 52
• GWTC-5.0: Observations from the Second Part of the Fourth LIGO-Virgo-KAGRA Observing Run and Updates to the Gravitational-Wave Transient Catalog
• Key Science Goals for the Next Generation Very Large Array (ngVLA): Update from the ngVLA Science Advisory Council (2024)
• First Detection of Radio Emission from the Intermediate Mass Black Hole in POX 52: Deep Multi-Band Observations with ATCA and VLA
• MCI: Multi-Channel Imager on the Chinese Space Station Survey Telescope

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