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astro-ph.GA2023
Accretion rates and radiative efficiencies of Sagittarius A* and nearby supermassive black holes estimated using empirical relations: Implications for accretion models
Yash Aggarwal
The Bondi accretion rate of black holes in our and nearby galaxies Messier 87, NGC 3115, NGC 1600, and Cygnus A have been determined or constrained using Chandra or other observati…
astro-ph.GA2023
Comparative tests of accretion rates of quasars derived using a new empirical and an existing theoretical relation: Insights into black hole properties and growth
Yash Aggarwal
A scaling relation based on thin-disc accretion theory has been used by some workers to determine the mass-inflow rate onto 20 high-redshift (z) and 80 Palomar-Green quasars. Based…