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astro-ph.GA2025
Peculiar galaxies I: A Catalog of Polar-Ring Galaxies from the TNG50 Simulation
Josué G. López-Castillo, Manuel Zamora-Avilés, Gilberto C. Gómez +2
The hydrodynamic cosmological simulation, TNG50, is employed to conduct an analysis of multi-spin galaxies that exhibit ringed structures composed of gas and stars that orbit nearl…
astro-ph.GA2025★ 2 cited
Spatially-resolved TRGB JWST color-magnitude as a tool to measure fossil stellar metallicity gradients in disk galaxies: NGC 628
Avinash CK, Y. Divakara Mayya, Alessandro Bressan +1
We use archival JWST/NIRCam images in the F115W, F150W, and F200W filters to measure the Tip of the Red Giant Branch (TRGB) magnitudes across the disk of the late-type spiral galax…