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astro-ph.GA2026
A Critical Eddington Ratio for X-Shaped Radio Galaxies
David Garofalo
We derive a quantitative condition for the formation of X-shaped radio galaxies by evaluating the competition between black hole spin evolution and the radiative fading of relic pl…
astro-ph.HE2026
Winds Versus Jets in Active Galactic Nuclei
David Garofalo, Chandra B. Singh, Atticus Magerko +3
The well-established anti-correlation between disk winds and relativistic jets in X-ray binaries is often interpreted in a scale-invariant black hole accretion context. If so, acti…
astro-ph.HE2026
A GRMHD-Calibrated Semi-Analytical Model for Hot Sub-Keplerian Accretion Flows in Kerr Spacetime
Nabin Bhushal, Manil Khatiwada, Yogesh Maharjan +2
We develop a simple, semi-analytical, kinematic model for hot, thick accretion flows, constructed by interpolating between Keplerian and free-fall geodesic solutions in the Kerr me…