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astro-ph.GA2026
Clump Migration in Disk Galaxies: Revisiting Chandrasekhar's Dynamical Friction
Pushpak Pandey, Kanak Saha
Massive stellar clumps are thought to migrate toward galactic centers through dynamical friction, contributing to bulge growth and the structural evolution of disk galaxies. While…
astro-ph.GA2026
AstroSat UV Deep Field IV. An Extended UV disk around a massive spiral galaxy at z=0.67
Pushpak Pandey, Kanak Saha, Sanchayeeta Borthakur
Extended ultraviolet (XUV) emission in nearby disk galaxies supports the inside-out growth scenario through low-efficiency star formation in their outer regions. However, such dete…
astro-ph.GA2024
AstroSat UV Deep Field South -- I. Far and Near-ultraviolet Source Catalog of the GOODS South region
Kanak Saha, Soumil Maulick, Pushpak Pandey +11
We present the AstroSat UV Deep Field South (AUDFs), an imaging survey using the wide-field Ultraviolet Imaging Telescope on board AstroSat. AUDFs covers arcmin of…