NASA Postdoctoral Fellowships for 2022

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NASA has selected 24 new fellows for its prestigious NASA Hubble Fellowship Program (NHFP). The NHFP is one of the strengths of NASA’s quest for excellence in astrophysics. The program enables outstanding postdoctoral scientists to pursue independent research in any area of ​​NASA astrophysics, using theory, observation, experimentation, or instrument development. Nearly 450 applicants competed for the 2022 scholarships. Each scholarship provides the scholar with up to three years of support.

Once selected, fellows are nominated in one of three subcategories corresponding to three major scientific questions that NASA seeks to answer about the universe:

How does the universe work? – Einstein Fellows

How did we come here? – Hubble Fellows

Are we alone? – Sagan Fellows

“From the quest for the first galaxies to the hunt for habitable exoplanets, this year’s NASA Hubble Fellows seek answers to some of the most critical questions about our universe,” said Paul Hertz, Astrophysics Division Director at NASA Headquarters in Washington, DC. is a group of incredibly promising young scientists, and I can’t wait to see where their research takes them.”

Newly selected NHFP Fellows will begin their programs in fall 2022 at a university or research center of their choice in the United States. The list below provides the names of the 2022 awardees, their fellowship host institutions, and their proposed research topics.

NASA Hubble Fellowship Program 2022:

How does the universe work? – Einstein Fellows:

  • Riccardo Arcodia, Massachusetts Institute of Technology, The awakening of massive black holes
  • Jessica Avva, University of Chicago, Line Intensity Mapping with Millimeter Wave Spectrometers: Targeting a New Cosmological Observable
  • Tarraneh Eftekhari, Northwestern University, Illuminate progenitors and environments of energetic transients with radio observations
  • Kyle Kremer, California Institute of Technology, Modeling the dynamics of black holes in dense star clusters
  • Hayley MacPherson, University of Chicago, Precision Cosmological Modeling in Nonlinear General Relativity
  • Bart Ripperda, Institute for Advanced Study, Multi-Wavelength Flares in the High-Energy Universe
  • David Vartanyan, Carnegie Observatories, Mapping signatures of shock evasion

How did we come here? – Hubble Fellows:

  • Elias Aydi, Michigan State University, Combining observations and simulations to decipher shocks in Novae
  • Emily Cunningham, Columbia University, Testing models of galaxy formation with large-scale surveys of the Milky Way’s stellar halo
  • Seiji Fujimoto, University of Texas Austin, Decoding a Rosetta Stone for Galaxies in the Age of Reionization with JWST and ALMA
  • David Guszejnov, Harvard University, The role of physical processes and the environment in star formation
  • Sultan Hassan, Princeton University, Illuminating the early universe with Lyman-alpha
  • Kartheik Iyer, Columbia University, Constraints on galaxy evolution using star formation histories
  • Tharindu Jayasinghe, University of California at Berkeley, Unveiling the hidden population of black holes in our galaxy
  • Arianna Long, University of Texas Austin, The role of dark matter in the growth and extinction of the first massive galaxies
  • Rohan Naidu, Massachusetts Institute of Technology, The first glimpse of the first galaxies: a near and far approach
  • Kathryn Neugent, Harvard University, Red supergiant binaries on track to become gravitational wave events
  • Joel Ong, University of Hawaii, Constraining the evolution of post-main-sequence angular momentum with mixed-mode asteroseismology

Are we alone? – Sagan Fellows:

  • Fei Dai, California Institute of Technology, Probe the formation of planets with the most extreme cases
  • Feng Long, University of Arizona, Disc substructures and the act of planet formation
  • Ryan MacDonald, University of Michigan, A multidimensional approach to explore the chemistry of imbalances in exoplanet atmospheres
  • Gudmundur Stefansson, Princeton University, The diversity and orbital architectures of planets orbiting cool stars
  • Michael Wong, Carnegie Earth and Planets Laboratory, Assessing network topologies of planetary atmospheres for potential biosignatures
  • Zhoujian Zhang, University of California Santa Cruz, Probing directly imaged exoplanet formation via robust atmospheric characterization

An important part of the NHFP is the symposia, which allow fellows to present the results of their research and to meet each other as well as the scientific and administrative staff who manage the program. A lively and highly successful virtual symposium took place in the fall of 2021, and organizers are waiting to decide whether the 2022 symposium will be virtual or in-person.

The Space Telescope Science Institute administers the NHFP on behalf of NASA, in collaboration with the Chandra X-ray Center at the Smithsonian Astrophysical Observatory in Cambridge, Massachusetts, and the NASA Exoplanet Science Institute at Caltech/IPAC in Pasadena, California.

Short biographies and photos of the 2022 NHFP Fellows are available at

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