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Ue-Li Pen is a Professor at the Canadian Institute for Theoretical Astrophysics (CITA), which is part of the Faculty of Arts & Science at the University of Toronto. His research focuses on theoretical astrophysics where basic physical effects can be isolated from astronomical complexities. His research interests include n-body and hydro simulations, origin of galaxy spin, dark energy studies through 21cm cosmology, baryon acoustic oscillations (BAO), absorber acceleration, and research on Fast Radio Bursts (FRBs) and pulsars related to gravitational waves, wave optics, and lensing. Current projects involve the non-linear dynamics of the cosmic neutrino background, 21cm intensity mapping, pulsar VLBI scintillometry, and the Canadian Hydrogen Intensity Mapping Experiment (CHIME). Analysis of recent publications shows Pen's work spans multiple cutting-edge areas in astrophysics, particularly focused on radio astronomy techniques, gravitational wave detection methods, black hole imaging, and cosmological measurements using 21cm radiation. His research often involves innovative applications of wave optics and interferometry to solve astrophysical problems. Professor Pen maintains an active research program with numerous recent publications in top astrophysics journals, demonstrating his continued leadership in the field of theoretical astrophysics and cosmology.

• Theoretical Astrophysics
• Cosmology
• Radio Astronomy
• +7 more

Professor David Bacon is a leading academic in cosmology and astrophysics at the University of Portsmouth's Faculty of Technology, serving as Director of the Institute of Cosmology & Gravitation (ICG). His research focuses on cosmology at radio wavelengths, gravitational lensing, and theories of gravity, with significant contributions to dark matter and dark energy studies. Education : PhD in Natural Sciences from the University of Cambridge (2002) Appointments : PPARC/STFC Fellow (2002–2004), University of Edinburgh; Senior Research Fellow/RCUK Academic Fellow (2007), University of Portsmouth; Professor (2018–present) His work leverages data from major surveys like the Dark Energy Survey (DES), Atacama Cosmology Telescope (ACT), and Euclid mission, employing techniques such as weak lensing , galaxy clustering , and machine learning . Recent publications analyze dark energy constraints , galaxy cluster profiles , and cosmological parameter estimation using FRBs and supernovae. Scientific Awards : PPARC Research Fellowship (2002) STFC Advanced Fellowship (2004)

• Cosmology at Radio Wavelengths
• Gravitational Lensing
• Theories of Gravity
• +3 more

Professor Peter Quinn is a distinguished astrophysicist at the University of Western Australia , serving as Chairman of the Board at the International Space Centre and affiliated with the International Centre for Radio Astronomy Research (ICRAR) and the Office of DVC Research . He received his BSc(Hons) in Mathematics and Physics from the University of Wollongong in 1978 with the University Medal in Physics, and his PhD in astronomy and astrophysics from the Australian National University (ANU) in 1982. His research centers on galaxy formation and evolution , dark matter dynamics , and the Epoch of Reionization . He has pioneered computational astrophysics, particularly through the discovery of the Quinn-Goodman effect and contributions to the MACHO Dark Matter Search Project . He has led major initiatives in the European Southern Observatory (ESO) , including the Very Large Telescope (VLT) data flow system and the Astrophysical Virtual Observatory (AVO) project. His scholarly work spans radio astronomy , supercomputer simulations , and data-intensive science , with a strong focus on the Square Kilometre Array (SKA) and gravitational wave detection . His work has earned him several prestigious accolades including a NASA High Performance Computing Award and a Computerworld 21st Century Achievement Award . He is a Fellow of the Australian Academy of Science (FASA) and a Fellow of the Australian Institute of Physics (FTSE) . His research also extends to large-scale international infrastructure projects and planning for the Square Kilometre Array and gravitational wave observations . He has served as Division Head at ESO and as a Chief Investigator for numerous grants, including the Australian SKA Regional Centre and ICRAR core funding .

• Dark Matter
• Galaxy Formation and Evolution
• Computational Astrophysics
• +3 more

Keith Vanderlinde is an Associate Professor at the David A. Dunlap Department of Astronomy & Astrophysics and the Dunlap Institute at the University of Toronto. His research focuses on cosmology and long-wavelength instrumentation, particularly large-scale structure studies and the expansion history of the universe. He leads projects like CHIME/FRB, CHORD, and HIRAX, developing radio telescopes to detect fast radio bursts (FRBs) and map cosmic evolution. Education: PhD in Physics (University of Chicago, 2008); BS in Physics with EE (MIT, 2002). Awards include CIfAR Junior Fellow (2011-2012) and McGill Trottier Fellow (2009-2011). Research interests span cosmological instrumentation, dark energy probes, and transient astronomy. Key projects include the CHIME radio telescope (studying 21cm emission and FRBs), the CHORD observatory, and international collaborations like HIRAX in South Africa. His work emphasizes instrument design, data analysis pipelines like kotekan, and multi-messenger astronomy. Lab involvement includes the Algonquin Radio Observatory and contributions to SPT-3G. Active in graduate/undergraduate training, mentoring students in cosmology and radio instrumentation.

• Cosmology
• Radio Astronomy
• Instrumentation Development
• +3 more

Laura Newburgh is an Assistant Professor of Physics at Yale University, affiliated with the Department of Physics and Wright Lab. Her research focuses on experimental cosmology, including projects like the Canadian Hydrogen Intensity Mapping Experiment (CHIME), the Hydrogen Intensity Mapping and Real-time Analysis eXperiment (HIRAX), and the Simons Observatory. She specializes in observational studies of the Cosmic Microwave Background (CMB) and 21cm cosmology to probe Dark Energy, Dark Matter, and cosmic inflation. Education: Ph.D. in Physics from Columbia University (2010), postdoctoral fellowships at Princeton University and the University of Toronto. Current roles include leading the Newburgh Lab, which develops instruments for cosmological surveys. Awards include the NSF Career Award (2018) and collaborative prizes like the Buchalter Prize (2025) and Berkeley Prize (2021). Her work bridges hardware, software, and data analysis, emphasizing novel calibration methods (e.g., drone-based beam mapping). The Newburgh Lab also supports educational initiatives like the Pathways to Science program, fostering student engagement in radio astronomy.

• Astrophysics
• Cosmology
• Particle Physics
• +3 more

Hee-Jong Seo is an Associate Professor in the Department of Physics and Astronomy at Ohio University's College of Arts and Sciences, where he also serves as the Director of the Astrophysics Institute. His research focuses on high-precision cosmology using large-scale structure to probe dark energy and dark matter. Research Interests: High-precision cosmology with large-scale structure Baryon Acoustic Oscillations (BAO) from galaxy surveys and 21cm intensity mapping Redshift-space distortions and cosmic shear Mitigation of observational systematics using deep learning Constraints on neutrino mass and dark energy Galaxy-halo connection and clustering analysis The recent publications reflect a strong focus on BAO reconstruction techniques, systematic error mitigation in galaxy surveys, and cosmological parameter estimation using data from SDSS-III/BOSS, SDSS-IV/eBOSS, and DESI. His work combines theoretical modeling, numerical simulations, and observational data analysis to improve distance measurements and test fundamental physics. Scientific Awards: Department of Energy Early Career Award (DE-SC0019091) Advising and Grants: Dr. Seo has secured significant research funding as PI and Co-PI from the Department of Energy, including an Early Career Award. His grants focus on improving dark energy constraints using low-redshift large-scale structures and developing robust reconstruction methods for BAO, redshift-space distortions, and the Alcock-Paczynski effect. While no students are listed, his leadership in major collaborations suggests active mentorship within large survey teams. Labs and Teams: Dr. Seo is actively involved in major cosmological surveys, including the Dark Energy Spectroscopic Instrument (DESI), where he co-chairs the Galaxy Quasar Clustering Science Working Group, and the Sloan Digital Sky Survey (SDSS-IV/eBOSS), where he served as Tiling Coordinator and SDSS-IV Architect. He also contributes to the development of public BAO forecasting tools and collaborative research in cosmology.

• Cosmology
• Large Scale Structure of the Universe
• Baryon Acoustic Oscillations
• +10 more

Obinna Umeh is a Research Software Engineer at the Faculty of Technology , University of Portsmouth , affiliated with the Institute of Cosmology & Gravitation and Portsmouth AI and Data Science Centre . Their work focuses on cosmology, astrophysics, and relativistic effects, with a particular interest in galaxy clustering, HI intensity mapping, and cosmic distance measurements. Key Research Areas : Cosmology, General Relativity, Galaxies, Relativistic Effects, Nonlinear Dynamics Recent Activities : Peer-reviewed publications, guest editorship for journals, invited talks at international conferences (e.g., Universidad Autónoma de Madrid, Tensions in Cosmology workshop), and dataset contributions. Obinna's publications explore topics such as vorticity generation in cosmology, relativistic galaxy bispectrum analysis, and implications of a lumpy universe on cosmic distance metrics. Their work often integrates computational methods with theoretical cosmology to address large-scale structure formation and observational challenges in modern astrophysics. As a peer reviewer and collaborator, Obinna has worked with researchers like Roy Maartens, Chris Clarkson, and others, contributing to advancements in understanding gravitational lensing, power spectra, and cosmic gravitational entropy.

• Cosmology
• Astrophysics
• Gravitational Lensing
• +7 more

Daniel Jacobs is a Full Professor at Arizona State University (ASU) in the School of Earth and Space Exploration, and Associate Director of ASU's Interplanetary Initiative, leading the Interplanetary Lab's smallsat development. His research focuses on observational cosmology using low-frequency radio telescopes, such as the Hydrogen Epoch of Reionization Array (HERA), and CubeSat missions like SPARCS and DORA. He holds a BSc from New Mexico Tech, MSc from Montana State University, and PhD from the University of Pennsylvania. His expertise spans radio instrumentation, data-intensive computing, and cosmic dawn studies, with notable contributions to mitigating radio interference and developing next-generation arrays. Recent awards include NSF CAREER (2022), ASU Tenure (2024), and PECASE (2025). Research interests include the 21cm line as a probe of the dark ages, radio interferometry calibration, and CubeSat-based space missions. Technical projects include the ECHO drone calibrator program, DORA deployable optical receiver, and HERA Phase II upgrades. His work addresses challenges in signal processing, RFI mitigation, and precision cosmology measurements. Scientific awards highlight his contributions to instrument innovation and early-career excellence. Advising and grants focus on CubeSat development and HERA collaborations. The Interplanetary Lab supports small satellite missions like DORA, while the Low Frequency Cosmology group advances observational techniques for cosmic reionization studies.

• Cosmology
• Astrophysics
• Radio Astronomy
• +3 more

Adrian Liu is a Professor in the Department of Physics and a member of the McGill Space Institute at McGill University. He leads the McGill Cosmic Dawn and Hydrogen Cosmology Group, focusing on theoretical and observational cosmology to study the formation of the first stars and galaxies. His research leverages data from radio telescopes like the Hydrogen Epoch of Reionization Array (HERA) to explore cosmic reionization and fundamental cosmology. Research interests include 21cm cosmology, intensity mapping, and the interplay between astrophysics and cosmology during the Epoch of Reionization. Key projects involve analyzing HERA observations to map large-scale structures and constrain cosmological parameters. Liu collaborates extensively, mentoring students and postdocs in cutting-edge observational and theoretical work. Notable contributions include developing methodologies to mitigate instrumental systematics and foregrounds in 21cm data, as well as advancing machine learning applications for signal recovery. His group has published extensively on reionization models, power spectrum analysis, and interdisciplinary techniques combining astrophysics with statistical methods. Students under his advisement have achieved significant milestones, including postdoc placements at institutions like the University of Chicago and Perimeter Institute. Collaborations span global initiatives, reflecting his role in advancing Canada’s contributions to radio astronomy and cosmology.

• Cosmology
• Astrophysics
• Radio Astronomy
• +5 more

Zheng Zhang is a research associate in Radio Cosmology at the Astronomy and Astrophysics Theory Group. His expertise spans cosmology, astrophysics, and astronomical instrumentation. Primary affiliation: Astronomy and Astrophysics Theory Group Key research areas: 21cm Cosmology, Cosmic Reionization, Antenna Design, Power Spectra Analysis Zheng Zhang's research focuses on advancing understanding of the early universe through radio cosmology techniques. His work involves: Developing novel antenna systems for 21cm global signal detection Modeling spinning dust radiation Improving calibration methods for radio arrays Statistical analysis of cosmic structures His publications highlight technical innovations in radio astronomy instrumentation and fundamental studies of cosmic reionization. Key projects include: RHINO antenna development Spinning dust modeling (SpyDust) Murchison Widefield Array analysis 21cm power spectra constraints

• Radio Cosmology
• Astrophysics
• Astronomical Instrumentation
• +5 more

Dr. Devin Crichton holds the Professorship for Physics at ETH Zürich, focusing on observational cosmology and radio astronomy. His research centers on large-scale structure studies, galaxy cluster physics, and cosmic microwave background (CMB) analysis through major experiments like the Atacama Cosmology Telescope (ACT) and the Hydrogen Intensity Real-Time Analysis eXperiment (HIRAX). Key projects include developing SKA simulation frameworks and investigating 21cm intensity mapping for cosmological insights. His work spans telescope instrumentation (e.g., HIRAX antenna design), CMB power spectrum analysis, and SZ-selected cluster catalogs. Contributions include advancing understanding of cosmic string wakes and quasar feedback mechanisms through multi-wavelength observations. Dr. Crichton collaborates on international initiatives such as the Simons Observatory and LiteBIRD, addressing questions about dark energy, neutrino physics, and early universe cosmology. His technical expertise includes data pipeline development for real-time analysis and precision measurement systems for radio telescope noise characterization.

• Cosmology
• Astrophysics
• Galaxy Clusters
• +5 more