What question did this study set out to answer?

The research aims to better understand the relationship between total black hole mass and halo mass across different galaxy types.

April 19, 2026Open Access

Total Black Hole Mass Recalibration and the Inverse Halo Problem

Key Points

The research aims to better understand the relationship between total black hole mass and halo mass across different galaxy types.
Revises the effective coupling constant k based on new findings.
Analyzes contributions from stellar black hole remnants.
Applies the inverse halo problem to recover merger parameters.
Validates findings against multiple galaxy systems.
Identifies a new true coupling constant of approximately 129.
Successfully resolves the Fornax dwarf spheroidal galaxy's mass anomaly.
Provides accurate merger parameters linked to halo mass only.
Confirms results across various galaxy types from dwarf to massive spirals.

Abstract

Paper II in the SMBH-DM Halo Framework series. We show that the coupling constant k = 4, 120 from Paper I is an effective constant that absorbed the Milky Way's ratio of total black hole mass to SMBH mass. The true coupling (kₜrue ≈ 129) operates on total collapsed-object mass including the stellar black hole graveyard. Age-weighted contributions remove spin as a free parameter. The inverse halo problem recovers Gaia-Enceladus merger parameters from halo mass alone. Validated across four systems from dwarf galaxies to massive spirals. Resolves the Fornax dSph too-big-to-fail problem. Companion to Paper I: doi: 10. 5281/zenodo. 15193025

Total Black Hole Mass Recalibration and the Inverse Halo Problem

Key Points

Abstract

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