جستجوی استاد راهنمای دانشگاهی

Diana Valenciaمشاهده پروفایل

دانشیار

• Exoplanet Structure and Composition
• Super-Earths and Mini-Neptunes
• Rocky Planet Formation
• +۴ مورد دیگر

Diana Valencia is an Associate Professor in the Department of Physical and Environmental Sciences at the University of Toronto, with cross-appointments in the Department of Astronomy. She holds positions at both the University of Toronto Scarborough (UTSC) and the St. George campus, focusing her research on the characterization of low-mass exoplanets, particularly super-Earths and mini-Neptunes. Her work aims to determine whether planets with masses between 1-15 Earth masses are scaled-up versions of Earth or scaled-down versions of Neptune in terms of composition, evolution, and physical properties. Ph.D. from Harvard University, Department of Earth and Planetary Sciences (2008) M.Sc. from University of Toronto, Physics Department (2002) B.Sc. (Honours) from University of Toronto, Physics Department (2001) Dr. Valencia's research interests center on the chemical composition and interior structure of super-Earths and mini-Neptunes, formation processes and chemistry of rocky planets, thermal evolution and interior dynamics of rocky and icy planets, and planetary habitability. Her work combines theoretical modeling with observational constraints to understand how planets form, evolve, and develop the properties we observe. She particularly focuses on connecting stellar composition to planetary characteristics and using statistical approaches to infer interior structures from mass-radius relationships. Analysis of her recent publications shows a strong focus on connecting stellar composition to planetary characteristics, with increasing use of advanced statistical methods and machine learning techniques to infer interior structures. Her research spans theoretical modeling of planetary interiors, observational constraints from missions like JWST, and development of instrumentation for exoplanet characterization. The trend shows growing emphasis on understanding the diversity of rocky exoplanets and their formation pathways. Paolo Farinella 2021 Prize awarded by the European Planetary Society (shared with Lena Noack) Dr. Valencia actively mentors PhD students, currently supervising Nathan Winsor (Habitability of M-Dwarf Stars), Jen Scora (Compositional Outcome of Rocky Planet Formation), Bo Peng (Volatile Acquisition of Rocky Planetary Bodies), and Mykhaylo Plotnykov (Statistical Inferences of the Interior Structure and Composition of Exoplanets). Her research group spans a wide variety of topics related to planetary formation and evolution, with particular emphasis on understanding how planets develop their observed properties. She has secured significant research funding, including NASA Sagan Postdoctoral Fellowship and Henri Poincare Postdoctoral Fellowship. Dr. Valencia leads a research group focused on understanding planetary formation and evolution, with projects ranging from statistical inferences of interior structure to thermo-chemical evolution of planetesimals. She has also created the Astro4Kids initiative, providing free astronomy education to children worldwide, demonstrating her commitment to public outreach and science communication.

Diana Dragomirمشاهده پروفایل

استادیار

• Exoplanet Detection
• Planetary Atmospheres
• TESS Mission Data Analysis
• +۳ مورد دیگر

Diana Dragomir is an Assistant Professor in the Department of Physics and Astronomy at the University of New Mexico. Her research focuses on exoplanet detection and characterization, particularly using data from NASA's Transiting Exoplanet Survey Satellite (TESS). She leads efforts to identify and analyze planets in multi-planet systems, with a specialization in atmospheric studies of super-Earths, mini-Neptunes, and gas giants. Dr. Dragomir collaborates extensively with citizen science networks and international teams to validate TESS discoveries and refine observational techniques. Education: PhD in Physics from the University of British Columbia (2013). Her work bridges stellar astrophysics and planetary science, emphasizing the interplay between planetary formation mechanisms and atmospheric evolution. Key projects include the WINE Survey for resonant exoplanet pairs and atmospheric modeling for upcoming James Webb Space Telescope observations. Research interests span exoplanet orbital dynamics, transit timing variations, and the study of planets in evolved binary systems. Recent publications highlight discoveries like TOI-6695 (near-resonant massive planets) and HD 35843 (long-period sub-Neptune system). Her methods often integrate radial velocity measurements with photometric data to validate planet candidates and constrain system parameters. Dr. Dragomir's contributions include advancing algorithms for detecting long-period exoplanets and interpreting complex transit signals. She actively participates in NASA TESS mission working groups and serves as a co-investigator on projects targeting planetary atmospheres and formation pathways. Her team's work provides critical data for understanding planetary diversity and habitable zone dynamics.

Andre Izidoroمشاهده پروفایل

استادیار

• Planetary Dynamics
• Solar System Formation
• Exoplanets
• +۳ مورد دیگر

Andre Izidoro is an Assistant Professor in the Department of Earth, Environmental and Planetary Sciences at Rice University. His research focuses on planetary dynamics, solar system formation, and exoplanetary systems. He investigates topics such as terrestrial planet accretion, giant planet instabilities, and the evolution of asteroid belts. His work integrates numerical simulations with observational data to understand planetary system architectures and formation mechanisms. Key research interests include the role of dynamical instabilities in shaping planetary systems, the accretion processes of giant planets like Uranus and Neptune, and the formation of super-Earths and mini-Neptunes. He also explores the delivery of volatiles to terrestrial planets and the effects of planetary migration on system evolution. His publications highlight contributions to understanding the asteroid belt's primordial mass, the implications of Jupiter's migration for inner solar system dynamics, and the formation mechanisms of planetary systems via pebble accretion and resonant chain disruption. Recent work addresses exoplanet radius valley formation, wide-orbit planet origins, and the survival of planetary satellite systems under dynamical perturbations. Dr. Izidoro's research has been published in leading astrophysics journals and presented at international conferences. His work is supported by computational modeling and collaboration with observational astronomers.

• Planet Formation
• Extrasolar Planets
• Accretion Disk Physics
• +۳ مورد دیگر

James Owen is a Reader in Astrophysics at the Department of Physics within the Faculty of Natural Sciences at Imperial College London. He holds a Senior Royal Society University Research Fellowship and previously served as a Hubble Fellow at the Institute for Advanced Study in Princeton and a CITA Fellow in Toronto. His research focuses on planet formation, extrasolar planets, and accretion disc physics, with particular emphasis on atmospheric escape mechanisms and protoplanetary disc structures. He is affiliated with the Astrophysics Group and the Physics Permanent Researchers at Imperial College. His key research interests include understanding how close-in super-Earths and mini-Neptunes form and evolve under intense stellar irradiation, driving atmospheric evaporation. He also investigates structures in protoplanetary discs observed via high-resolution imaging, linking these to planet formation processes. His work combines analytic theory and simulations to study hydrodynamic instabilities and disc dynamics. Notable awards include the Hubble Fellowship and CITA Fellowship. His recent work highlights the role of disc photoevaporation on giant planet migration and the observational signatures of embedded planets. He actively contributes to missions like JWST and UV-SCOPE for exoplanet characterization. Key affiliations: Astrophysics Group, Physics Permanent Researchers, Physics of Universe Labs: Blackett Laboratory at South Kensington Campus Future research directions include analyzing the growing dataset of protoplanetary discs and advancing models of exoplanet atmospheric evolution through neural network emulations.

Yann Alibertمشاهده پروفایل

استاد

• Astrophysics
• Exoplanet Science
• Planetary Formation
• +۳ مورد دیگر

Prof. Yann Alibert is an Affiliated Professor of Astrophysics at the University of Bern's Faculty of Science, based at the Center for Space and Habitability (CSH). His research focuses on exoplanet science, planetary formation mechanisms, and space missions like CHEOPS and PLATO. He leads observational campaigns analyzing exoplanet atmospheres, orbital dynamics, and planetary system architectures using high-precision photometry and spectroscopy. Key areas of expertise include: Characterization of exoplanet atmospheres via CHEOPS and ESPRESSO Studying resonant planetary systems and compact multi-planet configurations Development of mass-radius modeling tools (e.g., mr-plotter) Investigating planet formation pathways through streaming instability and pebble accretion Recent work emphasizes ultra-short-period planets, hot Jupiters, and water-world candidates. He collaborates extensively with international teams on TESS, PLATO, and ground-based radial velocity surveys. His research contributes to understanding planetary system evolution and the search for habitable worlds.

Christiane Hellingمشاهده پروفایل

استاد

• Astrophysics
• Exoplanet Atmospheres
• Cloud Formation
• +۵ مورد دیگر

Christiane Helling is Full Professor in Weltraumwissenschaften (Space Sciences) at Graz University of Technology and Director of the Institute for Space Research Graz (IWF) at the Austrian Academy of Sciences. She previously held leadership roles at the University of St Andrews, including Director of the Centre for Exoplanet Science, and has been a Senior Scientist at the Netherlands Institute for Space Research. Habilitation in Astrophysics (TU Berlin) PhD in Astrophysics (TU Berlin, with distinction) Diploma in Physics (TU Berlin) Her research focuses on exoplanet and brown dwarf atmospheres, cloud microphysics, charge processes, and atmospheric chemistry. She integrates hydrodynamic simulations with space observations from missions like CHEOPS, JWST, and PLATO to map cloud distributions and study planetary climate. Her recent publications emphasize time-dependent cloud formation, thermodynamic disequilibrium in planetary disks, and exoplanet atmospheric characterization using space telescopes. Key collaborations include the CHAMELEON project (virtual laboratories for exoplanet atmospheres) and the MSG model for cloudy sub-stellar atmospheres. ERC Starting Grant (LEAP Project: Lightning, Electrical and Atmospheric Processes on exoplanets) Marie-Curie Innovative Training Network (CHAMELEON)

• Exoplanet Detection
• Stellar Astronomy
• Planetary Systems
• +۳ مورد دیگر

Rob Wittenmyer is a Professor in the Centre for Astrophysics at the University of Southern Queensland. His research focuses on exoplanet detection, particularly using radial-velocity methods, and the study of planetary systems around evolved stars. He has contributed significantly to the analysis of data from missions like TESS, discovering and characterizing numerous exoplanets, including super-Jupiters, sub-Neptunes, and systems with unique orbital dynamics. Educations: BA from Williams College, MA from Boston University, MAstron from San Diego State University, PhD from University of Texas at Austin. Research interests include radial-velocity exoplanet detection, dynamics of multi-planet systems, and the demographics of giant planets. His work often involves collaborations with international teams to analyze large datasets from telescopes like HST and Gaia. Notable scientific outputs include studies on planetary systems such as HD 28185 and HD 222237 b, as well as contributions to understanding the occurrence rates of planets around giant stars. He actively supervises doctoral students in exoplanet research and has led projects like the Pan-Pacific Planet Search. Grants and collaborations include roles in the MINERVA-Australis project and the GALAH survey. His research highlights the interplay between stellar evolution and planetary system architectures.

Jonti Hornerمشاهده پروفایل

استاد

• Astrobiology
• Exoplanets
• Solar System Evolution
• +۷ مورد دیگر

Jonti Horner is a Professor of Astrophysics at the University of Southern Queensland (UniSQ), affiliated with the School of Mathematics, Physics and Computing and the Centre for Astrophysics . He is a leading researcher in astrobiology, exoplanets, and solar system evolution , with significant contributions to the MINERVA-Australis project and the GALAH survey. He holds a PhD from the University of Oxford and has held postdoctoral positions across the UK, Switzerland, and Australia. Research Interests: His work spans: Orbital dynamics of solar system small bodies (asteroids, comets) Exoplanet detection and characterization Planetary habitability and system architecture Astrocladistics and dynamical modeling Science communication and public outreach Recent Research Trends: His latest publications focus on transiting exoplanets discovered via TESS and ground-based follow-up, including mini-Neptunes, hot Jupiters, and super-Earths. He frequently collaborates on large-scale surveys like GALAH to refine stellar parameters for planet host stars, and investigates the role of stellar evolution and system architecture in planetary dynamics and habitability. Supervision & Collaboration: He supervises multiple PhD and Master’s students and is involved in international collaborations including MINERVA-Australis, TESS, and CHEOPS. He is a Fellow of the Astronomical Society of Australia and an active member of the Astrobiology Society of Britain. Science Communication: Horner is a prolific science writer, contributing regularly to The Conversation , and engages in media interviews, public talks, and educational outreach, including annual meteor shower calendars.

Pierre Maxtedمشاهده پروفایل

دانشیار

• Exoplanets
• Binary Star Systems
• Stellar Astrophysics
• +۲ مورد دیگر

Pierre Maxted is a Reader in Astrophysics at Keele University, specializing in exoplanet detection and characterization. As science team member for the ESA CHEOPS mission, he develops data analysis software for precise exoplanet measurements. Research focuses on transiting exoplanets, eclipsing binaries, and planetary system dynamics. Research explores transit timing variations, circumbinary planets, and stellar parameters of exoplanet hosts. Recent publications demonstrate CHEOPS mission capabilities for high-precision photometry of transiting systems. Teaching includes quantum mechanics and astrophysics group projects. Supervises student research in exoplanet detection methods and data analysis techniques.

• Astronomy
• Astrophysics
• Exoplanet Research
• +۳ مورد دیگر

Dr. Matthew Mengel is a Lecturer in Computing at the University of Southern Queensland (USQ), specializing in Astronomy and Astrophysics. He holds a PhD from USQ (2017) following a Master of Philosophy (USQ), a Graduate Diploma in IT (CQU), and a Bachelor of IT (USQ). His research focuses on exoplanet detection, stellar magnetic fields, and planetary system dynamics, particularly using data from missions like TESS and CHEOPS. Mengel has contributed to discoveries of sub-Neptunes, hot Jupiters, and eccentric giant planets around young and evolved stars. Research Interests: Exoplanet characterization and detection techniques Magnetic field evolution in planet-hosting stars Stellar activity cycles and their impact on planet detectability Planetary system dynamics and migration mechanisms Key Contributions: Mengel’s work bridges observational astronomy with computational methods, analyzing radial velocity data and photometric observations to uncover new planetary systems. His studies of young stars like HD 18599 and HIP 89829 reveal insights into magnetic field behavior and planet formation environments. Collaboration with TESS and CHEOPS missions underscores his focus on high-precision exoplanet detection. Labs/Teams: Active contributor to the TESS Grand Unified Hot Jupiter Survey and collaborations involving Minerva-Australis radial velocity measurements. Engaged in multi-institutional projects analyzing stellar magnetic fields and exoplanet atmospheres.

Melvyn B Daviesمشاهده پروفایل

استاد

• Astrophysics
• Astronomy
• Black Hole Dynamics
• +۳ مورد دیگر

Melvyn B. Davies is a Professor of Astronomy at Lund University's Centre for Mathematical Sciences, affiliated with the Faculty of Sciences. He holds roles as Principal Investigator for the eSSENCE Strategic Research Area and Assistant Coordinator for the LU Profile Area: Natural and Artificial Cognition. His research focuses on three core questions: the prevalence of habitable planetary systems, black hole formation and interaction, and the mechanisms behind the Universe's most energetic explosions. Research Interests: Exoplanetary Systems: Studying habitable zones and planetary formation through missions like PLATO and CHEOPS. Black Hole Dynamics: Investigating their growth and interactions with cosmic environments. Gamma Ray Bursts: Exploring the astrophysical processes powering these extreme events. Recent work includes analyzing planetary atmospheres (e.g., WASP-76b) and debris disc formation via planet-planet scattering. He coordinates e-science initiatives and collaborates globally, contributing to projects like the Swedish LISA contribution and the Great Observatory Origins Deep Survey (GREAT). Advising & Grants: Supervises students like G. Kokaia (habitable planetary systems) and E. Andersson (galaxy formation). Active in funding programs such as the Swedish National Space Agency-supported projects.

Kosmas Gazeasمشاهده پروفایل

مدرس

• Exoplanets
• Stellar Astrophysics
• Binary Stars
• +۵ مورد دیگر

Kosmas Gazeas is a Lecturer of Observational Astrophysics in the Department of Physics at the National and Kapodistrian University of Athens (UOA), with prior research roles at the Harvard-Smithsonian Center for Astrophysics and the European Space Agency (ESA) in the Netherlands. Since 2012, he has served as an ESA scientific consultant specializing in space optics, while conducting observational campaigns at the University of Athens Observatory (UOAO) using data from Hubble, CHEOPS, and TESS missions. Education: Physics, Aristotle University of Thessaloniki MSc & PhD in Observational Astrophysics, National and Kapodistrian University of Athens Post-doctoral research, Harvard-Smithsonian Center for Astrophysics Research Focus: Dr. Gazeas's work spans three interconnected domains: (1) Exoplanetary Systems —atmospheric characterization of hot Jupiters and mini-Neptunes, orbital dynamics, and exomoon searches; (2) Stellar Astrophysics —eclipsing binaries, blazars, supernovae, and asteroseismology; (3) Solar System Bodies —asteroids, trans-Neptunian objects, and comets. His methodology integrates space-based photometry with ground-based observations and emphasizes applied optics for astronomical instrumentation. Publication Trends: Analysis of his 2024-2025 publications reveals dominant themes in CHEOPS-driven exoplanet research, particularly thermal inversion layers in exoplanet atmospheres and resonant planetary systems. Significant secondary efforts address blazar jet physics and rotational properties of ancient asteroid families, demonstrating methodological versatility across time-domain astrophysics through international collaborations (TESS, HARPS-N). Scientific Recognition: No formal awards are documented, though he was shortlisted among the top 500 global candidates in the 2008 ESA Astronaut Selection Process—a testament to his scientific caliber. Mentorship & Outreach: He mentors students at UOA, supervises UOAO observational projects, and spearheads public engagement via 'Public Nights - Astronomy for All' and the Athens Science Festival. His 'Planets In Your Hand' initiative provides tactile astronomy experiences for visually impaired audiences, reflecting deep commitment to science communication. Research Infrastructure: Primary observational work occurs at UOAO, with data analysis leveraging CHEOPS, TESS, and international facilities. He coordinates multinational teams for asteroid campaigns (e.g., Ancient Asteroids project) and contributes to space mission science teams.

Edward Gillenمشاهده پروفایل

دانشیار

• Exoplanets
• Stellar Astrophysics
• Planetary System Evolution
• +۳ مورد دیگر

Dr Edward Gillen is a Reader in Astrophysics at Queen Mary University of London, affiliated with the School of Physical and Chemical Sciences and the Centre for Fundamental Physics. He specializes in exoplanet research, stellar evolution, and planetary habitability. His work involves analyzing data from ground and space-based observatories, including the Next Generation Transit Survey (NGTS), ARIEL, and PLATO missions. Education: PhD from the University of Oxford (2016), postdoctoral research at the University of Cambridge, and a Winton Exoplanet Fellowship (2018–present). Research Interests : Detecting exoplanets in young clusters, calibrating stellar evolution via rotation/activity, and assessing exoplanet habitability. Current projects focus on the NGTS clusters survey to study young stars and planets in open clusters aged 1 Myr–2 Gyr. He also explores photosynthetic strategies for extraterrestrial life under non-Sun-like stars. Grants & Awards : ERC Starting Grant (2023), Leverhulme Trust funding (2023–2026), and the Winton Exoplanet Fellowship. Active in international consortia like NGTS and ARIEL. Labs/Teams : Leads the NGTS clusters survey team and collaborates on the Astronomy Unit at Queen Mary. Supervises students in exoplanet research and observational astronomy.

Hannah R Wakefordمشاهده پروفایل

دانشیار

• Exoplanet Atmospheres
• Transmission Spectroscopy
• Hot Jupiters
• +۵ مورد دیگر

Hannah R Wakeford is an Associate Professor in Astrophysics at the School of Physics, University of Bristol. She is a leading researcher in exoplanet atmospheric characterization, specializing in transmission spectroscopy using space-based observatories including Hubble and JWST. With expertise in determining chemical compositions and physical properties of diverse exoplanets from hot Jupiters to super-Earths, her work significantly advances our understanding of planetary formation and evolution pathways. Education: PhD in Physics, University of Exeter (Awarded May 15, 2015) Research Interests: Dr. Wakeford specializes in exoplanet atmospheric characterization through transmission spectroscopy, with particular focus on hot Jupiters, warm Neptunes, and super-Earths. Her research leverages Hubble and JWST data to determine atmospheric compositions, metallicity, cloud properties, and chemical abundances. She investigates how planetary migration history affects atmospheric composition and studies the relationship between planetary characteristics and their formation environments. Her work frequently addresses fundamental questions about planetary formation, atmospheric evolution, and the potential for habitability. Analysis of her recent publications reveals a strong emphasis on JWST observations, particularly using NIRSpec for transmission spectroscopy across diverse exoplanet populations. Her work shows a clear trend toward comparative exoplanetology, examining how atmospheric properties vary across different planetary types, orbital configurations, and host star environments. She has made significant contributions to detecting key molecules like carbon dioxide and sulfur dioxide in exoplanet atmospheres. Scientific Awards: Larissa Palethorpe RS Career Development Fellowship Research Leadership: Dr. Wakeford serves as Principal Investigator for two major projects: 'Exoplanet Timeseries Characterisation: Unlocking the Third Dimension of Atmospheres with Webb' (2023-2028) and the 'Larissa Palethorpe RS Career Development Fellowship: Tiny Worlds, Tremendous Insights: Analysis of Exoplanets in Transitional Zones' (2026-2029). She has led significant research efforts including the early release science program for WASP-39b with JWST, which resulted in high-impact publications in Nature. Research Team: Dr. Wakeford leads the JWST COMPASS (Compositions of Mini-Planet Atmospheres for Statistical Study) program and contributes to the BOWIE-ALIGN project comparing aligned versus misaligned hot Jupiters. She collaborates extensively with international teams across major space telescope programs, demonstrating strong leadership in the global exoplanet research community.

Michael Zhangمشاهده پروفایل

پژوهشگر ارشد

• Exoplanet Atmospheres
• Planetary Evolution
• Observational Astronomy
• +۳ مورد دیگر

Michael Zhang is a 51 Pegasi b Fellow at the University of Chicago, conducting pioneering research on exoplanet atmospheric evolution using the W.M. Keck Observatory, Hubble Space Telescope, and James Webb Space Telescope (JWST). His work focuses on observing mini Neptunes (2-4 Earth radii) in the process of losing hydrogen-helium atmospheres to transform into super Earths (1.6-1.75 Earth radii), addressing the fundamental 'radius valley' gap in exoplanet populations. Dr. Zhang earned his Ph.D. in astronomy from the California Institute of Technology in Winter 2022, followed by a postdoctoral appointment at Caltech prior to his current fellowship. His research methodology combines multi-observatory data collection across diverse planetary parameters (age, mass, radius, orbital period) with advanced theoretical modeling to decode atmospheric escape physics. Current projects include expanding the mini Neptune observational database using Keck telescopes, targeting unexplored exoplanets with Magellan telescopes in Chile, and probing sub-Earth atmospheres with JWST. This integrated approach aims to establish definitive patterns linking planetary characteristics to evolutionary pathways. Recognized with the prestigious 51 Pegasi b Fellowship from the Heising-Simons Foundation in 2022, Dr. Zhang's work represents cutting-edge observational exoplanet science. His discoveries of two mini Neptunes actively undergoing atmospheric loss provide critical empirical evidence for planetary transformation theories. As a postdoctoral research fellow, Dr. Zhang operates within major international observatory collaborations without formal advisees. His research is exclusively supported by the 51 Pegasi b Fellowship, facilitating access to world-class telescope facilities across multiple continents. Dr. Zhang's work positions him at the forefront of exoplanet characterization, leveraging next-generation instrumentation to unravel how planetary systems evolve from their primordial states to their current architectures.