Eve Ostriker
Princeton University · Astronomy
Active 1988–2025
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About
Eve Ostriker is the Lyman Spitzer, Jr., Professor of Theoretical Astrophysics and Associate Chair of the Department of Astrophysical Sciences at Princeton University. Her research focuses on theoretical and computational astrophysics, particularly in the areas of star formation, the dynamics, thermodynamics, and chemistry of the interstellar medium and circumgalactic medium, the structure and evolution of spiral galaxies, and the physics of accretion and outflows. She is actively involved in developing numerical methods and tools for computational fluid dynamics. Her work aims to understand the physics behind a wide range of astronomical systems involving gas dynamics, from the formation and collapse of clouds to the creation of solar systems, to the energy and matter exchanges within the Milky Way and other spiral galaxies, and the regulation of star formation over the last ten billion years. An important aspect of her research is understanding and quantifying the roles of supersonic turbulence that pervades the universe.
Research topics
- Physics
- Astronomy
- Astrophysics
Selected publications
PHANGS-ALMA: Arcsecond CO(2-1) Imaging of Nearby Star-forming Galaxies
The Astrophysical Journal Supplement Series · 2021 · 370 citations
We present PHANGS-ALMA, the first survey to map CO J = 2 -> 1 line emission at similar to 1 '' similar to 100 pc spatial resolution from a representative sample of 90 nearby (d less than or similar to 20 Mpc) galaxies that lie on or near the z = 0 "main sequence" of star-forming galaxies. CO line emission traces the bulk distribution of molecular gas, which is the cold, star-forming phase of the interstellar medium. At the resolution achieved by PHANGS-ALMA, each beam reaches the size of…
Polycyclic Aromatic Hydrocarbon and CO(2–1) Emission at 50–150 pc Scales in 70 Nearby Galaxies
The Astrophysical Journal · 2025-04-07 · 14 citations
articleOpen accessAbstract Combining Atacama Large Millimeter/submillimeter Array CO(2–1) mapping and JWST near- and mid-infrared imaging, we characterize the relationship between CO(2–1) and polycyclic aromatic hydrocarbon (PAH) emission at ≈100 pc resolution in 70 nearby star-forming galaxies. Leveraging a new Cycle 2 JWST Treasury program targeting nearby galaxies, we expand the sample size by more than an order of magnitude compared to previous ≈100 pc resolution CO–PAH comparisons. In regions of galaxies whe…
The Astronomical Journal · 2025-02-18 · 13 citations
articleOpen accessAbstract The PHANGS project is assembling a comprehensive, multiwavelength data set of nearby (∼5–20 Mpc), massive star-forming galaxies to enable multiphase, multiscale investigations into the processes that drive star formation and galaxy evolution. To date, large survey programs have provided molecular gas (CO) cubes with the Atacama Large Millimeter/submillimeter Array, optical integral field unit (IFU) spectroscopy with the Very Large Telescope/Multi-Unit Spectroscopic Explorer (MUSE), high…
Monthly Notices of the Royal Astronomical Society · 2024-11-18 · 11 citations
articleOpen accessABSTRACT Arkenstone is a new scheme that allows multiphase, stellar feedback-driven winds to be included in coarse resolution cosmological simulations. The evolution of galactic winds and their subsequent impact on the circumgalactic medium are altered by exchanges of mass, energy, momentum, and metals between their component phases. These exchanges are governed by complex, small-scale physical processes that cannot be resolved in cosmological simulations. In this second presentation paper, we d…
Ultraviolet Radiation Fields in Star-forming Disk Galaxies: Numerical Simulations with TIGRESS-NCR
The Astrophysical Journal · 2024-10-31 · 10 citations
articleOpen accessSenior authorAbstract With numerical simulations that employ adaptive ray-tracing (ART) for radiative transfer at the same time as evolving gas magnetohydrodynamics, thermodynamics, and photochemistry, it is possible to obtain a high-resolution view of ultraviolet (UV) fields and their effects in realistic models of the multiphase interstellar medium. Here, we analyze results from TIGRESS-NCR simulations, which follow both far-UV (FUV) wavelengths, important for photoelectric heating and polycyclic aromatic…
Recent grants
The Physics of Feedback and Star Formation Regulation in Galactic Disks
NSF · $416k · 2013–2017
NSF · $369k · 2009–2013
NSF · $158k · 2012–2014
Frequent coauthors
- 89 shared
Chang‐Goo Kim
Princeton University
- 51 shared
Greg L. Bryan
- 49 shared
Jeong‐Gyu Kim
National Astronomical Observatory of Japan
- 47 shared
Woong‐Tae Kim
- 47 shared
Erik Rosolowsky
University of Alberta
- 42 shared
Alberto D. Bolatto
- 41 shared
Adam K. Leroy
- 38 shared
Éric Emsellem
Labs
Department of Astrophysical SciencesPI
Education
- 1993
PhD, Physics
University of California Berkeley
- 1987
A.B., Physics
Harvard University
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