index.html Latest research posts from Dr. Thomas H. Puzia's astrophysics research group at Pontificia Universidad Católica de Chile. en research-surveys.html 2025-12-23 Thomas H. Puzia Finding Cosmic Needles in a Galactic Haystack Color-color diagrams for all sources with multi-wavelength photometry in the Tue, 23 Dec 2025 00:00:00 +0000 Thomas H. Puzia research-surveys.html#finding-cosmic-needles-in-a-galactic-hay research-planetary.html 2025-08-04 Thomas H. Puzia The Third Cosmic Wanderer: What 3I/ATLAS Tells Us About Ancient Interstellar Visitors Modeled thermal evolution of 3I/ATLA Mon, 04 Aug 2025 00:00:00 +0000 Thomas H. Puzia research-planetary.html#the-third-cosmic-wanderer:-what-3i/atlas research-galaxies.html 2025-05-27 Thomas H. Puzia Galaxy Clusters as Trash Compactors: Why Denser Galaxies Survive Closer to the Center Mean stellar mass densities of satel Tue, 27 May 2025 00:00:00 +0000 Thomas H. Puzia research-galaxies.html#galaxy-clusters-as-trash-compactors:-why research-planetary.html 2025-02-03 Catalina Muga Planetary Orbit Harmonics and Dynamical Architecture The orbital period ratios of planets in multi-planet systems often cluster near simple Mon, 03 Feb 2025 00:00:00 +0000 Catalina Muga research-planetary.html#planetary-orbit-harmonics-and-dynamical- research-galaxies.html 2025-02-01 Juan Pablo Carvajal Dwarf Galaxy Evolution in Cluster Environments Our ongoing study traces the evolutionary pathways of dwarf galaxies across a range of Sat, 01 Feb 2025 00:00:00 +0000 Juan Pablo Carvajal research-galaxies.html#dwarf-galaxy-evolution-in-cluster-enviro research-compact.html 2025-01-28 Prasanta Nayak Nuclear Star Clusters and Blue Straggler Star Populations Nuclear star clusters sit at the dynamical centres of galaxies and preserve a la Tue, 28 Jan 2025 00:00:00 +0000 Prasanta Nayak research-compact.html#nuclear-star-clusters-and-blue-straggler research-planetary.html 2025-01-20 Thomas H. Puzia Tracking 3I/ATLAS: A New Interstellar Visitor The discovery of interstellar object 3I/ATLAS offers a rare opportunity to study material f Mon, 20 Jan 2025 00:00:00 +0000 Thomas H. Puzia research-planetary.html#tracking-3i/atlas:-a-new-interstellar-vi research-surveys.html 2025-01-15 Rohan Rahatgaonkar Neighborhood Watch: Mapping the Local Group Beyond the Virial Radius Our Neighborhood Watch program extends the reach of next-generati Wed, 15 Jan 2025 00:00:00 +0000 Rohan Rahatgaonkar research-surveys.html#neighborhood-watch:-mapping-the-local-gr research-populations.html 2025-01-10 Baltasar Luco Surface Brightness Fluctuations as Stellar Population Diagnostics Surface brightness fluctuations (SBF) provide a powerful distance-indepen Fri, 10 Jan 2025 00:00:00 +0000 Baltasar Luco research-populations.html#surface-brightness-fluctuations-as-stell research-instrumentation.html 2025-01-05 Arun Pillai The Nature of 'Little Red Dots': New Analysis Pipelines for JWST The James Webb Space Telescope has revealed a population of enigmatic compac Sun, 05 Jan 2025 00:00:00 +0000 Arun Pillai research-instrumentation.html#the-nature-of-'little-red-dots':-new-ana research-populations.html 2024-12-05 Gabriel Espina Stellar Populations in the Fornax Cluster Using multi-band photometry from the Next Generation Fornax Survey, we characterise the resolved Thu, 05 Dec 2024 00:00:00 +0000 Gabriel Espina research-populations.html#stellar-populations-in-the-fornax-cluste research-surveys.html 2024-11-20 Thomas H. Puzia NGVS-IR: Deep Near-Infrared Imaging of the Virgo Cluster The NGVS-IR program uses WIRCam on the CFHT 3.6 m and VIRCAM on the VISTA 4 m te Wed, 20 Nov 2024 00:00:00 +0000 Thomas H. Puzia research-surveys.html#ngvs-ir:-deep-near-infrared-imaging-of-t research-galaxies.html 2024-10-10 Thomas H. Puzia Hierarchical Mass Assembly and Dark Matter Halo Structures Understanding how galaxies grow through hierarchical merging is central to our Thu, 10 Oct 2024 00:00:00 +0000 Thomas H. Puzia research-galaxies.html#hierarchical-mass-assembly-and-dark-matt research-compact.html 2024-09-15 Thomas H. Puzia Globular Cluster Scale Sizes Across Giant Galaxies The structural parameters of globular clusters — effective radii, concentrations, and Sun, 15 Sep 2024 00:00:00 +0000 Thomas H. Puzia research-compact.html#globular-cluster-scale-sizes-across-gian research-instrumentation.html 2024-08-22 Thomas H. Puzia HPC Platforms for Next-Generation Survey Processing Modern wide-field surveys produce petabytes of imaging data that require robust, scal Thu, 22 Aug 2024 00:00:00 +0000 Thomas H. Puzia research-instrumentation.html#hpc-platforms-for-next-generation-survey