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High-redshift Galaxies from JWST Observations in More Realistic Dark Matter Halo Models
Saeed Fakhry, Reyhaneh Vojoudi Salmani, Javad T. Firouzjaee
The James Webb Space Telescope (JWST) has unveiled unexpectedly massive galaxy candidates at high redshifts, challenging standard CDM cosmological predictions. In this work, we…
Accretion Efficiency Evolution of Central Supermassive Black Holes in Quasars
Arta Khosravi, Alireza Karamzadeh, Seyed Sajad Tabasi +1
The ongoing debate regarding the most accurate accretion model for supermassive black holes at the center of quasars has remained a contentious issue in astrophysics. One significa…
Modeling the Central Supermassive Black Holes Mass of Quasars via LSTM Approach
Seyed Sajad Tabasi, Reyhaneh Vojoudi Salmani, Pouriya Khaliliyan +1
One of the fundamental questions about quasars is related to their central supermassive black holes. The reason for the existence of these black holes with such a huge mass is stil…