جست‌وجوی استاد و پژوهشگر

• Astroparticle Physics
• Multimessenger Astronomy
• Ultra-High-Energy Cosmic Rays
• +۷ مورد دیگر

Foteini Oikonomou is an Associate Professor at the Department of Physics, Faculty of Natural Sciences, Norwegian University of Science and Technology (NTNU). She specializes in theoretical astroparticle physics, focusing on extreme astrophysical environments that accelerate particles to energies exceeding 10 20 eV. Current research includes multimessenger emission modeling of active galactic nuclei Expertise in cosmic ray acceleration and high-energy neutrino origin Active in teaching advanced astrophysics and particle physics Her work bridges astrophysics, particle physics, and cosmology, with particular attention to blazars, tidal disruption events, and ultra-high-energy cosmic rays. She contributes to major collaborations like GRAND and GCOS, developing future instrumentation for astroparticle detection. Recent publications explore cosmic ray propagation in diverse source populations, neutrino emission from transient astrophysical phenomena, and magnetic field line effects on particle acceleration. Her research has been featured in journals such as Nature Reviews Physics , Physical Review D , and The Astrophysical Journal . She teaches AST-3451 Astrophysics II and has previously taught particle physics (FY3403/FY8913) and general astrophysics (FY2450). Her outreach includes public explanations of ultra-high-energy cosmic ray research through popular science articles.

Susan E. Clarkمشاهده پروفایل

استادیار

• Cosmic Magnetic Fields
• Interstellar Medium
• Astrophysical Magnetic Fields
• +۶ مورد دیگر

Susan E. Clark is an Assistant Professor of Physics at Stanford University, where she investigates cosmic magnetic fields, magnetohydrodynamic processes, and the interstellar medium (ISM) through observation, simulation, and analytic theory. Prior to Stanford, she was a NASA Hubble Fellow and postdoctoral member at the Institute for Advanced Study in Princeton, New Jersey, after earning her Ph.D. in Astrophysics from Columbia University (2017) and B.S. in Physics from the University of North Carolina at Chapel Hill (2012), supported by a Morehead-Cain scholarship. Education: Ph.D., Astrophysics, Columbia University (2017) — NSF Graduate Fellow B.S., Physics, University of North Carolina at Chapel Hill (2012) — Morehead-Cain scholarship Her research focuses on Galactic and extragalactic magnetism, interstellar turbulence, star formation, and polarized cosmological foregrounds. She leads an interdisciplinary group tackling these problems via observational data, numerical simulations, and machine learning techniques. Current projects include characterizing magnetic field alignment, modeling 3D ISM structure, and analyzing data from experiments like the Atacama Cosmology Telescope, Simons Observatory, CMB-S4, CCAT-Prime, LiteBIRD, and the Galactic Australian SKA Pathfinder (GASKAP). Recent publications highlight her work on dust filament misalignment, HI morphology for gas phase separation, equipartition magnetic field estimation, and tomographic MHD simulations of galactic magnetic fields. These studies integrate astrophysics, computational methods, and observational astronomy to decode the universe's magnetic structure and dynamics. Scientific Awards: Alfred P. Sloan Research Fellowship NSF Graduate Fellowship NASA Hubble Fellowship Clark co-founded the Pan-Experiment Galactic Science Group and co-directs Stanford's Center for Decoding the Universe, fostering interdisciplinary collaborations. Her lab includes postdocs, graduate students, and undergraduates, with alumni transitioning to roles in academia and industry. Funding comes from NSF, NASA, and the Sloan Foundation.

Ue-Li Penمشاهده پروفایل

استاد

• Theoretical Astrophysics
• Cosmology
• Radio Astronomy
• +۷ مورد دیگر

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.

David A. Williamsمشاهده پروفایل

استاد مدعو

• High-Energy Astrophysics
• Gamma-Ray Astronomy
• Cosmic Rays
• +۳ مورد دیگر

David A. Williams is an Adjunct Professor of Physics at the University of California, Santa Cruz . He is a member of the VERITAS and CTA collaborations, focusing on high-energy gamma-ray astronomy. Additionally, he is an Affiliated Scientist with the Fermi -Large Area Telescope project. Ph.D. from Harvard University (1987) Office: Room 319, Natural Science 2 Email: daw@ucsc.edu Research Interests Williams investigates high-energy astrophysical phenomena using ground-based gamma-ray telescopes. Key research areas include: Understanding gamma-ray bursts and their emission mechanisms Analyzing active galactic nuclei (particularly blazars) and their relativistic jets Studying cosmic rays and their acceleration processes in astrophysical systems Developing advanced instrumentation for experiments like VERITAS and CTA Investigating absorption of gamma rays via cosmic microwave background interactions His recent publications highlight collaborative work on TeV gamma-ray detection, source analysis, and telescope design advancements. Collaborations VERITAS : Observational gamma-ray astronomy with 12m telescopes CTA : Chair of the CTA-US group for next-generation telescope development Fermi -LAT : Multi-wavelength studies combining satellite and ground-based data

• Very Long Baseline Interferometry
• Active Galactic Nuclei
• Gamma Radiation
• +۵ مورد دیگر

Jeffrey A. Hodgson is a Professor in the Department of Physics and Astronomy at Sejong University, specializing in high-resolution radio astronomy through Very Long Baseline Interferometry (VLBI) techniques. His research focuses on parsec-scale structures in active galactic nuclei, particularly examining jet dynamics, magnetic field configurations, and alignment phenomena between jets and their host galaxies. Dr. Hodgson's primary research interests include: Very Long Baseline Interferometry observations of extragalactic sources Structure and dynamics of active galactic nuclei jets Magnetic field configurations in galactic cores Radio spectrum analysis of blazars and compact extragalactic sources Alignment phenomena between AGN jets and their host galaxies Polarimetric studies of jet structures His recent publications demonstrate a consistent focus on using global VLBI networks to study parsec-scale phenomena in active galaxies. The research shows strong international collaboration patterns with scientists across multiple continents, reflecting the global nature of modern radio astronomy. His work frequently appears in top-tier astrophysics journals including Nature Astronomy, Astrophysical Journal, and Astronomy & Astrophysics, with significant citation impact as indicated by his h-index of 18. Dr. Hodgson maintains an active research program with consistent publication output, showing 67 total research outputs with sustained productivity over the past decade. His 2024-2025 publications particularly focus on jet morphology in sources like 3C 84, NGC 315, and Mrk 421, revealing new insights into jet physics and magnetic field structures at unprecedented resolutions.

• Radio Astronomy
• Astrophysics
• Black Hole Imaging
• +۳ مورد دیگر

John Conway is a Professor of Radio Astronomy at Chalmers University of Technology , serving as Director of Onsala Space Observatory . His work spans multiple domains in observational astrophysics, focusing on: High-resolution VLBI imaging of black holes and AGN Instrumentation development for submillimeter telescopes Multiwavelength studies of M87 and Sgr A* black holes Large-scale radio surveys with LOFAR and SKA technologies As a key member of the Event Horizon Telescope collaboration, he contributes to polarization analysis and magnetic field studies around supermassive black holes. His instrumentation projects include work on the Onsala Twin Telescopes and SKA data stacking techniques. Current research involves black hole shadow characterization , jet dynamics , and machine learning applications for radio source detection. He collaborates extensively with international teams across projects like ALMA, LOFAR, and APEX.

• X-ray astronomy
• Galaxy clusters
• Inverse Compton scattering
• +۱۰ مورد دیگر

Dan Wik is an Associate Professor in the Department of Physics & Astronomy at the University of Utah . His research focuses on observational X-ray astronomy, particularly galaxy clusters, inverse Compton scattering, X-ray binaries, and the X-ray background. He has extensive experience in data calibration, analysis tool development, and mission collaborations such as NuSTAR, Chandra, and XRISM. Wik holds a PhD in Astronomy from the University of Virginia (2010) and a BS in Astrophysics from Ohio University . His research interests span galaxy cluster mergers, nonthermal emission processes, high-energy astrophysics, and cross-calibration studies between X-ray observatories. Recent articles highlight his work on NuSTAR observations of galaxy clusters, X-ray binary populations in M31 and M33, inverse Compton emission constraints, and stray light background analysis techniques. His studies often integrate multiwavelength data and address cosmological implications of X-ray observations. Wik has received multiple grants from NASA for projects like Time Domain X-ray Studies of AGN and Hard Bandpass Extension of XRISM Cluster Observations . He supervises undergraduate and graduate researchers and teaches courses from general education to advanced graduate levels, including Foundations of Astronomy and High Energy Astrophysics .

Stella Ockerمشاهده پروفایل

پژوهشگر ارشد

• Astrophysics
• Radio Astronomy
• Pulsar Astronomy
• +۴ مورد دیگر

Stella Ocker is a Brinson Prize Postdoctoral Fellow at the California Institute of Technology (Caltech) and the Carnegie Observatories, affiliated with the Division of Physics, Mathematics, and Astronomy in the Astronomy Department. Her research focuses on using pulsars, fast radio bursts (FRBs), and multi-wavelength observations to study the interstellar and intergalactic medium. She is part of the NANOGrav Collaboration, the DSA-110 science team, and the pulsar working groups for DSA-2000 and the Square Kilometer Array (SKA). Her work addresses the distribution and dynamics of ionized gas in the Galaxy and beyond, with a particular emphasis on radio surveys like DSA-2000 and CHORD. Key research areas include probing circumgalactic turbulence via FRBs and pulsars, analyzing scattering variability in FRB environments, and studying plasma structures around neutron stars. She has contributed to projects like the NE2001p electron density model implementation and investigations of non-radiative shocks in stellar bow shocks. Ocker has also explored the heliosphere-interstellar medium interaction, leveraging Voyager 1 data to study plasma waves in interstellar space. Her awards include the Brinson Prize Postdoctoral Fellowship. Ocker collaborates extensively with international teams and contributes to major initiatives like NANOGrav’s gravitational wave detection efforts and the DSA-2000 survey. Her research bridges observational astronomy with theoretical modeling, addressing fundamental questions about cosmic plasma dynamics and the structure of the Galactic and extragalactic medium.

• Astrophysics
• Radio Astronomy
• Active Galactic Nuclei
• +۳ مورد دیگر

Rajan Chhetri is an Adjunct Research Associate at Curtin University, affiliated with the Curtin Research Institute and Curtin Institute of Radio Astronomy (CIRA), within the School of Electrical Engineering, Computing, and Mathematical Sciences. His research focuses on active galactic nuclei (AGNs), populations of radio sources, and multi-wavelength studies of extragalactic phenomena. He has conducted extensive work using radio interferometry and interplanetary scintillation techniques with instruments like the Murchison Widefield Array (MWA) and the Australia Telescope 20 GHz (AT20G) survey. Chhetri’s investigations include studying compact AGNs at high radio frequencies, analyzing gravitational lensing in the Southern hemisphere, and exploring how AGNs interact with their galactic environments. His recent projects involve leveraging interplanetary scintillation to detect sub-arcsecond compact objects at low radio frequencies, enabling unprecedented resolution without upgrading telescope capabilities. This work contributes to understanding cosmic phenomena like supermassive black hole activity and the structure of the interplanetary medium. His research outputs span over two decades, with notable contributions to surveys like GLEAM, AT20G, and MWA IPS, yielding insights into radio source populations, galaxy evolution, and space weather effects. Chhetri has also engaged in public outreach, bridging astronomy research with broader audiences.

Enrique Lopez Rodriguezمشاهده پروفایل

دانشیار

• Extragalactic Magnetism
• Active Galactic Nuclei
• Infrared Polarimetry
• +۳ مورد دیگر

Enrique Lopez Rodriguez is an Associate Professor in the Department of Physics and Astronomy at the University of South Carolina, affiliated with the McCausland College of Arts and Sciences. He specializes in extragalactic magnetism and active galactic nuclei, focusing on the role of magnetic fields in galaxy evolution and AGN dynamics. His research uses advanced infrared and radio polarimetric observations from instruments like SOFIA/HAWC+, ALMA, and MMT-Pol. Education: Ph.D. in Astronomy from the University of Florida (2013), Master's in Astrophysics, and Licenciatura in Physics from the University of La Laguna, Spain. Prior to USC, he held roles including Assistant Research Professor at the University of Texas at San Antonio (UTSA) and postdoctoral positions in the U.S. and abroad. Research emphasizes magnetic fields in starburst galaxies, AGN torus structure, and the impact of cosmic rays. He leads the SALSA Legacy Program (SOFIA), exploring magnetic fields in the interstellar medium. Key projects include contributions to the Thirty Meter Telescope (TMT) science cases and instrument development for future telescopes. Advising & Grants: Leads the SALSA program and collaborates on TMT initiatives. His work is supported by grants focusing on polarimetric instrumentation and extragalactic magnetism studies. He advocates for underrepresented students, fostering an inclusive academic environment. Labs/Teams: Extragalactic Magnetism Group and instrumental collaborations (e.g., HAWC+, MMT-Pol). Media highlights include NASA press releases and astronomy outreach features.

Susan Clarkمشاهده پروفایل

استادیار

• Astrophysical Magnetism
• Interstellar Medium Physics
• Cosmic Magnetic Fields
• +۶ مورد دیگر

Susan Clark is an Assistant Professor of Physics at Stanford University and a Senior Member of KIPAC (Kavli Institute for Particle Astrophysics and Cosmology). She leads the Cosmic Magnetism & Interstellar Physics research group and serves as co-director of the Center for Decoding the Universe at Stanford. Her research focuses on understanding astrophysical magnetism and the physics of the interstellar medium across multiple scales, from diffuse gas to dense star-forming regions. Clark received her Ph.D. in 2017 from Columbia University as an NSF Graduate Fellow, following undergraduate studies at the University of North Carolina at Chapel Hill on a Morehead-Cain scholarship. Prior to joining Stanford in September 2021, she was a NASA Hubble Fellow at the Institute for Advanced Study in Princeton. Her research tackles fundamental questions about the structure of the Milky Way's magnetic field, the nature of interstellar turbulence, and the role of magnetism in star formation. Clark and her group decipher the magnetic interstellar medium using multiwavelength observations and innovative data analysis techniques, employing tracers including gas line emission and absorption, polarized dust and synchrotron emission, starlight polarization, Zeeman splitting, and Faraday rotation. Her work has significant implications for cosmic microwave background research, particularly in understanding and removing galactic foregrounds. Clark collaborates on numerous major telescope projects including the Atacama Cosmology Telescope (ACT), Simons Observatory (SO), CMB-S4, CCAT-Prime, LiteBIRD, and the Galactic Australian SKA Pathfinder (GASKAP). She co-founded the Pan-Experiment Galactic Science Group to facilitate Milky Way science with CMB experiment data. 2025 AAS Warner Prize 2024 Sloan Research Fellowship Unsung Hero Award (2019) for prison teaching work Clark mentors a large research group comprising postdoctoral fellows, graduate students, and undergraduate researchers. Her group's work is funded by grants from the NSF and NASA. Beyond research, Clark is committed to teaching and outreach, having previously taught through the Princeton Prison Teaching Initiative and expressing enthusiasm for making STEM more inclusive. She particularly enjoys teaching courses related to radiative processes, fluid dynamics, and the interstellar medium. The Cosmic Magnetism & Interstellar Physics group maintains active collaborations across multiple institutions and telescope facilities worldwide, with particular emphasis on developing new data analysis techniques for studying magnetic fields in both galactic and extragalactic contexts.

Ines Pastor-Marazuelaمشاهده پروفایل

پژوهشگر ارشد

• Radio Astronomy
• Fast Radio Bursts
• Neutron Stars
• +۳ مورد دیگر

Inés Pastor-Marazuela is a Rubicon Research Fellow at the Jodrell Bank Centre for Astrophysics, University of Manchester, UK. She specializes in radio astronomy with a focus on Fast Radio Bursts (FRBs) and neutron star research. PhD in Astrophysics from University of Amsterdam (2022) Master's in Physics from Université Paul Sabatier (2018) Her research explores: FRB origins and emission mechanisms Neutron star connections to transients Radio transient detection techniques Multi-wavelength follow-up observations Galactic and extragalactic magnetic fields Statistical analysis of burst populations Recent work involves MeerKAT and Apertif telescope observations, with publications on FRB galactic localization, neutron star bursts, and transient discovery methodologies. Scientific awards: Rubicon Research Fellowship recipient Active in transient detection algorithms and international collaborations like MeerTRAP. No student advisory roles mentioned.

Maryam Saberiمشاهده پروفایل

پژوهشگر

• Solar and Stellar Chromospheric Activity
• Molecular Spectral Lines Analysis
• Radiative Transfer Modelling
• +۳ مورد دیگر

Maryam Saberi is a Researcher at the Rosseland Centre for Solar Physics, University of Oslo. Her work focuses on solar and stellar chromospheric activity, molecular spectral line analysis at mm/sub-mm wavelengths, and radiative transfer modeling of evolved star outflows. Education: Ph.D. in Radio Astronomy, Chalmers University (2014-2019) M.Sc. in Physics, Alzahra University (2011-2013) B.Sc. in Physics, Alzahra University (2006-2010) Research Interests: Investigates how chromospheric activity of solar-type stars evolves through stellar phases, impacting late-stage evolution and circumstellar chemistry. Uses ALMA/APEx observations and chemical modeling to study AGB stars' mass-loss processes and Galactic chemical enrichment. Grants & Projects: Leads the ESGC project on Galactic Chemical Enrichment, collaborates with NoRMA network. Involved in AtLAST telescope development for solar/stellar studies. Labs/Teams: Part of Rosseland Centre's solar-stellar research group and the Nordic Radio and Millimeter Astronomy Network (NoRMA).

• Radio Astronomy
• X-ray Astronomy
• Neutron Stars
• +۵ مورد دیگر

Stephen Chi Yung Ng is an Associate Professor in the Department of Physics at The University of Hong Kong's Faculty of Science. His office is located in Room 517 of the Chong Yuet Ming Physics Building. He has been actively teaching undergraduate and graduate courses in astrophysics, including Stellar Physics, Advanced Astrophysics, and Astronomy Laboratory courses from 2018-2022. B.Sc. (1st class honors) in Maths/Physics, The University of Hong Kong (1996-1999) M.Phil. in Physics, The University of Hong Kong (1999-2001) Ph.D. in Physics, Stanford University (2001-2006) Professor Ng is a high energy astrophysicist specializing in radio and X-ray observations of neutron stars, pulsar wind nebulae, and supernova remnants. His research focuses on understanding these extreme objects as laboratories for physics under conditions unattainable on Earth. He studies the remarkable properties of neutron stars, which are ultra-dense objects with masses greater than the Sun but smaller than a city, rotating rapidly with the strongest magnetic fields in the Universe. His recent publications reveal a strong focus on X-ray polarimetry using missions like IXPE to study magnetic field structures in pulsar wind nebulae and supernova remnants. His work also examines particle acceleration mechanisms and the physics of neutron stars in various environments, including galactic centers and binary systems. Early Career Award: University Grants Committee (2013) Professor Ng has supervised numerous research students, including 7 PhD candidates and 3 MPhil students. He has secured significant research funding as Principal Investigator for 11 projects since 2013, with recent grants including 'Unveiling the Nature of PeVatron' (2023) and 'Exploratory Study of the Impact of Artificial Light at Night on Birds at Mai Po Nature Reserve' (2022). He also serves as Co-Investigator on projects studying high-energy emission from pulsars. He is an active member of several professional societies including the American Astronomical Society and multiple satellite mission science working groups, demonstrating his leadership in the international high-energy astrophysics community.

Clive Dickinsonمشاهده پروفایل

استاد

• Radio Astronomy
• Cosmology
• Cosmic Microwave Background (CMB)
• +۴ مورد دیگر

Clive Dickinson is a Professor of Astrophysics at the Jodrell Bank Centre for Astrophysics within the School of Physics and Astronomy at the University of Manchester. He holds a PhD in Radio Astronomy from the University of Manchester (2002) and has held research positions at institutions including Caltech and NASA's Jet Propulsion Laboratory. His research focuses on understanding radio/microwave emission, particularly its role as a contaminant for CMB and HI/CO intensity mapping experiments. He leads the C-Band All-Sky Survey (C-BASS) and BINGO projects, and has secured major grants including an ERC Consolidator Grant and STFC Advanced Fellowship. Education: MPhys in Physics and Astronomy (University of Manchester, 1999) PhD in Radio Astronomy (University of Manchester, 2002) Research interests span cosmic microwave background studies, diffuse Galactic radiation (synchrotron, free-free, dust emissions), and advanced data analysis techniques in radio astronomy. His work contributes to UN Sustainable Development Goals by enhancing scientific understanding and public engagement in cosmology. Key achievements include the Royal Astronomical Society Group Achievement Award (2018) and impactful collaborations on missions like Planck and LiteBIRD. Dickinson has advised 21 students and contributed to influential publications on CMB foregrounds, spinning dust emission, and intensity mapping techniques. His research teams engage in global collaborations, advancing our knowledge of the early universe and galactic structures.