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astro-ph.GA2025
Can A Kinematically Hot and Thick Disk Form A Bar? : Role of Highly Spinning Dark Matter Halos
Sandeep Kumar Kataria
Recent JWST observations claim the existence of a significant fraction of bars in the kinematically hotter and thicker disk at high redshift Universe. These observations challenge…
astro-ph.GA2025
Dependency of the Bar Formation Timescale On The Halo Spin
Bin-Hui Chen, Sandeep Kumar Kataria, Juntai Shen +1
Bars are among the most prominent structures in disk galaxies. While the widely accepted swing-amplification theory provides a qualitative framework for their formation, the detail…
astro-ph.GA2025
Is Milky Way gravitationally stable? A TNG50 view from cosmic noon to the present day
K. Aditya, Sandeep Kataria
We investigate the stability of Milky Way analogs (MWAs) in the \texttt{TNG50} simulation against the growth of local axisymmetric instabilities, tracing their evolution from cosmi…