People

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    Karen Aguilar

    Breakthrough Listen Administrator

    339 Campbell Hall

    510-642-6000

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    Marcelo Alvarez

    Project Scientist

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    Andrea Antoni

    I am a third-year graduate student in astronomy.  I work with Eliot Quataert studying the deaths of massive stars in failed supernovae in order to model the electromagnetic signatures of black hole birth.

    I earned a B.S. in Physics (Astrophysics) with Highest Honors from the University of California, Santa Cruz in August 2018 where I was a Regents Scholar and a 2017 Barry Goldwater Scholar.  At UCSC, I worked with Enrico Ramirez-Ruiz and Morgan MacLeod studying the common envelope phase in the formation of close binaries as well as the general hydrodynamical problem of the drag and accretion experienced by binaries embedded in gases.

    I am a first-generation college student and I was introduced to physics while attending West Valley Community College.  Participating in Enrico’s Lamat REU the summer before transferring to UCSC was critical to my path to grad school because it introduced me to astrophysics and connected me with mentors who helped me find my voice as a scientist.  I am passionate about mentoring and supporting undergraduate and community college students.

    As of July 2020, I am serving as the Undergraduate Liason in our department.  Please contact me if you are interested in mentoring an undergrad, guiding an undergraduate research project, or serving on a panel in one of our many workshops.

     

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    Jon Arons

    Professor of the Graduate School, Professor Emeritus of Astronomy, Physics

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    Amber Banayat

    Graduate and Undergraduate Affairs

    501 Campbell Hall

    (510) 463-1839

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    Gibor Basri

    Professor Emeritus of Astronomy

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    Steven Beckwith

    Director, Space Science Laboratory & Professor of Astronomy

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    Leo Blitz

    Professor of the Graduate School, Professor Emeritus of Astronomy

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    Josh Bloom

    Professor of Astronomy; Astronomy Department Chair

    203 Campbell Hall

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    Bill Boyd

    Computing – System Admin

    501K Campbell Hall

    (510) 642-3163

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    Bryan Brzycki

    I am a first-year graduate student in astronomy. I graduated from Harvard University in May 2018 with an A.B. in Astrophysics and Physics. At Harvard, I worked with Dr. John ZuHone on investigating the effect of magnetic fields on gas dynamics in the cores of galaxy cluster mergers by using magnetohydrodynamic simulations generated with FLASH. Currently, I am working with Dr. Andrew Siemion and Breakthrough Listen to search for ISM-scintillated narrow band signals in radio time-frequency data with convolutional neural nets. I'm at desk 202A!

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    Kaylan Burleigh

    As a PhD student at UC Berkeley in observational cosmology, I develop scalable pipelines to automatically detect galaxies in terabytes of multi-color imaging data. My team has spent the last four years collecting about 100 TBs of images using three professional (2-4 meter mirror) telescopes. The primary codebase I work on has detected and modeled about 1 billion galaxies and stars in this data set. After my PhD, I want to use the image analysis, high performance computing, machine learning, and statistics I've learned to solve real-world problems in society.

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    Kishore Chandra Patra

    I am a second year graduate student working with Alex Filippenko on spectropolarimetry of supernovae.

    I graduated with a B.Sc. in Physics from Massachusetts Institute of Technology in 2018. At MIT, I worked with Josh Winn and Nevin Weinberg on the search for orbital decay in exoplanets.

    I grew up in a little village on the eastern coast of India before moving to the UK, at 16, to study for the International Baccalaureate Diploma. In my free time, I play and/or watch cricket and badminton, take photo-walks and write stories.

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    Eugene Chiang

    Professor of Astronomy, Earth and Planetary Science

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    Nick Choksi

    • Chondrule formation
    • Planet formation & dynamics
    • Formation and evolution of star clusters
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    Agnieszka Cieplak

    Assistant Research Scientist

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    Joanne Cohn

    Full Researcher

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    Steve Croft

    Associate Project Astronomer

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    Marc Davis

    Professor Emeritus of Astronomy, Physics

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    Katherine de Kleer

    I am a PhD candidate in the Astronomy Department at the University of California, Berkeley. My research focuses on characterizing active processes on planets and satellites in the outer solar system through near-infrared and millimeter observations of their atmospheres and surfaces.

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    Imke de Pater

    Professor of Astronomy, Earth and Planetary Science

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    Robert De Rosa

    Assistant Project Scientist

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    David DeBoer

    Research Astronomer, Radio Astronomy Lab

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    Matt Dexter

    Research and Development Engineer

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    Josh Dillon

    I’m an NSF Astronomy and Astrophysics Postdoctoral Fellow working on 21 cm cosmology with Aaron Parsons and the Hydrogen Epoch of Reionization Array (HERA) group.               

    I lead the HERA Analysis team, focused on calibration and data reduction. I’m broadly interested in cosmology and focused on the physics of the Epoch of Reionization the Cosmic Dawn and the analysis of data from massive radio interferometers.

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    Courtney Dressing

    Assistant Professor of Astronomy; Pronouns: she/her/hers

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    Gaspard Duchêne

    Associate Researcher

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    Kareem El-Badry

    I’m a fifth (and final) year grad student in astronomy. I work with Eliot Quataert and Dan Weisz on problems in stellar physics, galaxy formation, and Milky Way stellar populations.

    I grew up in Roseburg, Oregon. Besides astronomy, I like food, hiking and cycling, running, chess, and memes. Find me in Campbell 407.

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    Simone Ferraro

    Divisional Fellow, Lawrence Berkeley National Lab

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    Alexei V. Filippenko

    Professor of Astronomy

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    Jordan Fleming

    I am a graduate student in the UC Berkeley Astronomy Department. I work with Professor Courtney Dressing on exoplanet research. My main interests lie in theoretical astrophysics, particularly planet formation and migration, but I enjoy working at the intersection of theory and observation.

    I graduated in 2017 from Duke University where I studied physics and philosophy.

    I spend most of my free time reading poetry, longboarding, and convincing strangers that Justin Vernon is the most brilliant musician on Earth.

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    Sal Fu

    I am a first-year astronomy graduate student and an NSF fellow. Before coming to Berkeley, I earned my B.S. in Physics at Pomona College, and completed multiple observational research projects in near-field cosmology with Dr. Josh Simon at the Carnegie Observatories. I continue to maintain my research interests in near-field cosmology and adjacent topics, including but not limited to: chemical enrichment, galactic dynamics, resolved stellar populations, and stellar evolution. 

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    Vishal Gajjar

    Vishal is a Templeton post-doctoral research fellow at the Berkeley SETI research center. In 2015, he received his Ph.D. from the National Center for Radio Astrophysics in Pune, India. His Ph.D. was on understanding pulsar emission physics by studying various single pulse phenomena. He spends most of his time at UC Berkeley on doing commensal observations with the two of the biggest telescopes. One of the projects he is working on now is on characterizing terrestrial interferences to eliminate false positives in finding ET. He also works on developing a GPU-accelerated broadband transient emission search pipelines for the Breakthrough Listen. He is part of the team who is designing an experiment to measure giant pulses from the Crab pulsar using a small dish and is also helping FAST telescope to design a real-time FRB detection backend.​​

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    Reinhard Genzel

    Professor of the Graduate School, Professor Emeritus of Physics, Astronomy

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    Steven Giacalone

    I’m a graduate student in the Department of Astronomy at UC Berkeley. My research interests mostly involve exoplanets and planetary science. I work with Professor Courtney Dressing building tools to statistically validate TESS planet candidates.

    I attended college at the University of Chicago, where I graduated in 2017 with a BA in Physics and a specialization in Astrophysics. While in college, I had the pleasure of working on a variety of astrophysics-related projects. These projects involved, for instance, studying Transit Timing Variations in the orbits of rocky exoplanets, simulating exoplanet migration and the occurrence of “hot Earths,” and modeling dust transport in protoplanetary disks.

     

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    Sivan Ginzburg

    I am a 51 Pegasi b fellow working in theoretical astrophysics. I received my PhD from the Hebrew University of Jerusalem.

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    Danny Goldstein

    I am a fifth-year graduate student in the Astronomy Department at UC Berkeley. My research areas are supernovae, cosmology, and gravitational lensing. I hang out at the Computational Cosmology Center at Lawrence Berkeley National Laboratory, and I work with Peter Nugent and Dan Kasen.

    My CV is available from my website

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    Taryn Goomishian

    Research Administrator: CSS

    501R Campbell Hall

    (510) 642-1813

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    Deepthi Gorthi

    I am final year graduate student, working with Dr. Aaron Parsons on the correlator pipelines for current and future generation radio telescopes. The Hydrogen Epoch of Reionization Array (HERA) is a radio interferometer currently being built in South Africa, for measuring the power spectrum of the red-shifted 21cm neutral hydrogen signal. I spent a major part of my graduate school on building the correlator pipeline for this 350 antenna array. You can find a detailed description of this work on my Github website.

    I am also working on calibration algorithms for the next generation of correlators that might be built for arrays with more than 10,000 elements. More details of this work are available in this publication.

    Before graduate school, I went to Birla Institute of Technology and Science in the remote college town of Pilani in Rajasthan. There, in addition to developing liberal views, I obtained a double degree in Electronics Engineering and Physics. This mixture of courses drew me to instrumentation for radio astronomy and I did numerous small projects in this domain throughout undergrad. I spent the summer after my junior year in Germany, working on an instrument for the Effelsberg Radio Telescope on the DAAD scholarship program. For my final year thesis, I worked on upgrading the Ooty Radio Telescope to a digital system. To this measure, I wrote a software, Intel IPP based, polyphase filterbank and file writing pipeline.

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    James Graham

    Professor of Astronomy; Department Vice Chair

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    Hannah Gulick

    Hi! I am a first year grad student in the astronomy department interested in astronomical instrumentation and observation. I grew up in Okoboji, IA, and I graduated from the University of Iowa with a BS in physics, BS in astronomy, and a BA in English & Creative Writing. At Iowa, I worked with Dr. Phil Kaaret on building, testing, and analyzing data from the HaloSat CubeSat and Dr. Robert Mutel on radio astronomy.

    Outside of astronomy, I am super excited about all things writing/reading/art, random hobbies, and being outdoors. Feel free to contact me via email!

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    Maude Gull

    Hello there!

    I am a second-year graduate student in astronomy. I work with Dan Weisz on massive metal-poor stars in the local group.

    Before Berkeley, I earned my B.Sc. in Physics and Mathematics at MIT in 2019. I worked on a variety of projects surrounding the early universe. I worked with Anna Frebel to understand metal-poor stars and neutron capture processes, and with Alan Guth on hybrid inflation and primordial black holes.

    Besides research, I am excited about outreach events, science communication and astrophotography.

     

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    ChangHoon Hahn

    Before coming to Berkeley I lived in NYC where did my PhD at NYU CCPP.

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    Caleb Harada

    I’m a first-year Ph.D. student and NSF Graduate Research Fellow studying astrophysics at UC Berkeley. In fall 2020 I’ll begin taking graduate astronomy classes and intend to continue my research in exoplanetary science with Prof. Courtney Dressing. I’m also passionate about science communication and making astronomy more inclusive, equitable, and vibrant. When I’m not thinking about science, I enjoy hiking, birdwatching, and exploring the Bay Area.

    Previously, I was an undergraduate at the University of Maryland, College Park, where I earned a B.S. in Physics and a B.S. in Astronomy with High Honors in spring of 2020. My senior undergraduate thesis, advised by Prof. Eliza Kempton, was titled “Signatures of Clouds in Hot Jupiter Atmospheres: Modeled High-Resolution Emission Spectra from 3D General Circulation Models.”

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    Mark Hayden

    Front Office Coordinator

    501 Campbell Hall

    (510) 642-5275

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    Carl Heiles

    Professor of the Graduate School, Professor Emeritus of Astronomy

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    Lea Hirsch

    I am a recent graduate from Berkeley as of August 2018. My thesis project focused on comparing planets in binary star systems to those in single star systems, within a volume-limited sample of nearby G- and K-type stars. I used the ShaneAO system on the 3-meter Shane Telescope at Lick Observatory and the DSSI Speckle Camera on the WIYN 3.5-meter telescope at Kitt Peak to obtain high-resolution images of my bright sample stars, searching for high-contrast and close-in binary systems. I also used Keck-HIRES and the Automated Planet Finder to search for planets around the same sample of host stars. My goal was to perform a direct comparison between the planet populations in single versus binary stellar systems. I found that wide stellar companions (separations > 100 AU) do not seem to strongly affect the formation and evolution of giant planets. However, among the closer binaries surveyed with the radial velocity technique in my project, there were no definitive planet detections. This indicates that the closer stellar companions likely have a negative impact on planet formation and survival.

    I spent the spring and summer semesters of 2015 participating in the IPAC Visiting Graduate Student Fellowship program at Caltech. At IPAC, I worked with David Ciardi to apply high-resolution imaging data of Kepler planet host stars toward understanding the impact of stellar multiplicity on the inferred planetary radii of transiting exoplanets.

    Before becoming a graduate student at Berkeley, I was an undergraduate at Cornell University, where I worked with Terry Herter on FORCAST/SOFIA data of W3(OH), an ultra-compact HII region surrounding a newly formed massive star.

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    Anna Ho

    Miller Postdoctoral Fellow

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    Raymond Jeanloz

    Professor of Earth and Planetary Science, Astronomy

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    Paul Kalas

    Adjunct Professor of Astronomy

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    Daniel Kasen

    Associate Professor of Physics, Astronomy

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    Philipp Kempski

    I am a third-year grad student and currently a graduate fellow at the Kavli Institute for Theoretical Physics in Santa Barbara. I work with Eliot Quataert on a variety of topics in plasma astrophysics.

    I studied at Oxford University and I graduated in July 2017 as a Master of Mathematical and Theoretical Physics.

    I was born in a small town in western Germany. When I was 7 my family moved to Poland, where I lived until the end of high school. Sports are a big part of my life, especially soccer, tennis, running and long-distance cycling.

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    Nicholas Kern

    I am a finishing PhD candidate working at the interface of theory and observations in 21cm cosmology. I develop data analysis pipelines for processing large quantities of radio interferometric data and identifying weak signals in contaminated and noisy datasets. I am a member of the Hydrogen Epoch of Reionization Array (HERA), and am leading the analysis of its first power spectrum limit at the Epoch of Reionization.

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    David Khatami

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    Maria Kies

    Manager

    501E Campbell Hall

    510-643-5040 Pronouns: she/her/hers

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    Doyeon (Avery) Kim

    Junior Specialist (RAL)

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    Ellie Kitanidis

    physics grad student studying cosmology

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    Richard Klein

    Adjunct Professor of Astronomy

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    Hannah Klion

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    Mariska Kriek

    Associate Professor of Astronomy; Undergraduate Faculty Advisor; Pronouns: she/her/hers

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    Casey Lam

    I am a graduate student in the Department of Astronomy at UC Berkeley. I am interested in finding isolated stellar mass black holes in the Milky Way with astrometric microlensing. 

    I graduated from MIT in 2017 with a bachelor's degree in math and physics. During my time there, I had the opportunity to do research in the Center for Theoretical Physics with Professor Tracy Slatyer, studying the distribution of pulsars "kicked" out from the galactic disc, and with Professor Alan Guth, studying hybrid inflation and primordial black holes. 

    Aside from research, I also enjoy participating in outreach events with the department. The picture (courtesy of Carina Cheng) is from Discovery Day at AT&T Park in San Francisco. It's a demonstration of how telescope mirrors focus light, which allows astronomers to see faint objects. (The demo is also great for roasting marshmallows!)

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    Frank Latora

    Research Engineer

    451B Campbell Hall

    (510) 847-8315

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    Eve Lee

    I'm a fifth year graduate student in astronomy working with Professor Eugene Chiang on theoretical studies of planet formation. Some of my research topics include the formation of super-Earths and super-puffs and the dynamics of debris disks.

    Before coming to Berkeley, I received Hon. B.Sc. at the University of Toronto, Canada in Astronomy and Physics. I completed my honours thesis with Professor Norm Murray on observational and numerical studies of star formation efficiencies in the Milky Way giant molecular clouds.

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    Pak-Shing Li

    Research Specialist

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    Cheng Li

    51 peg b postdoc fellow

    605B Cambel Hall

    Research Interests

    I’m generally interested in Jovian planets and atmospheric dynamics. I am a team member of the Juno mission working on the data received by the Juno microwave radiometer. I will join the University of Michigan, Ann Arbor as an assistant professor in 2021. More details can be found on my website: http://web.gps.caltech.edu/~cli/

    [0] Cheng Li, A. Ingersoll, S. Bolton, S. Levin, M. Janssen, S. Atreya, J. Lunine, P. Steffes, S. Brown, T. Guillot, M. Allison, J. Arballo, A. Bellotti, V. Adumitroaie, S. Gulkis, A. Hodges, L. Li, S. Misra, G. Orton, F. Oyafuso, D. Santos-Costa, H. Waite, Z. Zhang, 2020. The water abundance in Jupiter’s equatorial zone, Nature Astronomy, in pressdoi:10.1038/s41550-020-1009-3

    [1] Cheng Li, X. Chen, 2019. Simulating Non-hydrostatic atmospheres on Planets (SNAP): formulation, validation and application to the Jovian atmosphere, Astrophysical Journal, Supplement Series, 240(2), 37doi:10.3847/1538-4365/aafdaa

    [2] Cheng Li, T. Le, X. Zhang, Y. Yung, 2018. A High-performance Atmospheric Radiation Package: with applications to the radiative energy budgets of giant planets, Journal of Quantitative Spectroscopy and Radiative Transfer, 217, 353-362doi:10.1016/j.jqsrt.2018.06.002

    [3] Cheng Li, A. Ingersoll, F. Oyafuso, 2018. Moist adiabats with multiple condensing species: a new theory with application to giant planet atmosphere, Journal of the Atmospheric Sciences, 75(4), 1063-1072doi:10.1175/JAS-D-17-0257.1

    [4] Cheng Li, 2017. Disrupting the atmospheric beat, Nature Astronomy, 1, 753-754doi:10.1038/s41550-017-0306-y

    [5] Cheng Li, A. Ingersoll, M.A. Janssen, S.M. Levin, S.T. Bolton, V. Adumitroaie, M.D. Allison, J. Arballo, A.A. Bellotti, S.T. Brown, S. Ewald, L. Jewell, S. Misra, G.S. Orton, F.A. Oyafuso, P.G. Steffes, R. Williamson, 2017. The distribution of ammonia on Jupiter from inversion of Juno Microwave Radiometer data, Geophysical Research Letters, 44(11)doi:10.1002/2017GL073159

    [6] Cheng Li, A. Ingersoll, 2015. Moist convection in hydrogen atmospheres and the frequency of Saturn’s giant storms, Nature Geoscience, 8, 398-403doi:10.1038/ngeo2405

    [7] Cheng Li, X. Zhang, P. Gao, Y. Yung, 2015. Vertical distribution of C 3 -hydrocarbons in the stratosphere of Titan, Astrophysical Journal Letters, 803, L19doi:10.1088/2041-8205/803/2/L19

    [8] Cheng Li, X. Zhang, J. Kammer, M. Liang, R. Shia, Y. Yung, 2014. A non-monotonic eddy diffusivity profile of Titan’s atmosphere revealed by Cassini observations, Planetary and Space Science, 104, Part A(0), 48-58doi:10.1016/j.pss.2013.10.009

     

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    Kenneth Lin

    I am a first-year graduate student interested in a variety of topics, mostly related to the physics of galaxy formation and cosmology. I am also interested in using statistical techniques and data science to analyze large survey data. I graduated from the University of Massachusetts Amherst with a B.S. in Physics, B.S. in Astrophysics, and a minor in mathematics, where I worked with Alexandra Pope and Grant Wilson on developing predictive simulations to guide observations for the TolTEC camera, a millimeter-wave detector on the Large Millimeter Telescope.

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    Brian Lorenz

    I am a first-year graduate student in astronomy and NSF fellow. I hold a B.A. in Physics and Mathematics from Pomona College, and have worked extensively on measuring the redshifts and star formation rates of intermediate mass galaxies with Dan Kelson at Carnegie Observatories. I am broadly interested in the formation and evolution of galaxies from an obserrvational perspective, and I am excited to further pursue research in these topics at Berkeley.