Curriculum Vitae
Selected Publications
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View All my Publications on ADS
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Hardegree-Ullman, Bergsten et al. (2025)
Scaling K2. VIII. Short-period Sub-Neptune Occurrence Rates Peak Around Early-type M Dwarfs
ADS arXiv AJ -
Fernandes, Bergsten et al. (2025)
Signatures of Atmospheric Mass Loss and Planet Migration in the Time Evolution of Short-period Transiting Exoplanets
ADS arXiv AJ -
Bergsten et al. (2023)
No Evidence for More Earth-sized Planets in the Habitable Zone of Kepler's M versus FGK Stars
ADS arXiv AJ -
Bergsten et al. (2022)
The Demographics of Kepler's Earths and Super-Earths into the Habitable Zone
ADS arXiv AJ
Employment History
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Exoplanet Science Fellow,
Space Telescope Science Institute
2025 - PresentIndependent postdoctoral research in exoplanet demographics.
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Intern,
NASA Headquarters (Astrophysics Projects Division)
Spring 2025Best practices for team/collaboration structure in research and instrumentation settings.
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Graduate Research & Teaching Assistant,
University of Arizona
2020 - 2025Demographics of exoplanet systems and their dependence on host star properties; atmospheric evolution of small planets; the frequency of Earth-like habitable planets.
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Visiting Graduate Student Fellow,
Caltech/IPAC
Spring/Summer 2024Effects of stellar binarity on the frequency of small planets orbiting Sun-like stars.
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Undergraduate Research & Teaching Assistant,
University of Utah
2017 - 2020Characterization of spectroscopic signatures in supernova remnants, and in the interstellar medium associated with massive evolved stars.
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Physics and Astronomy REU,
University of Utah
Summer 2018Spectroscopic modeling of stellar populations to constrain cluster chemistry and dynamics.
Education History
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Lunar and Planetary Laboratory, University of Arizona
2025PhD in Planetary Sciences, Minor in Astrobiology (Advisor: Dr. Ilaria Pascucci)
2023MS (en route) in Planetary Sciences
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University of Utah
2020Honors BS in Physics, Minor in Astronomy (Advisor: Dr. Gail Zasowski)
BS in Biology, Minor in Environmental & Organismal Biology