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Curriculum vitae. PDF available from the icon to the right.

General Information

Name Daisy Bissonette
Email dbissonette@uchicago.edu
LinkedIn linkedin.com/in/daisybissonette

Education

  • 2023 –
    University of Chicago in Chicago, IL
    • Ph.D. candidate in Astronomy and Astrophysics, expected May 2028.
  • 2019 – 2023
    Princeton University in Princeton, NJ
    • A.B. degree with Honors in Astrophysical Sciences, May 2023.

Scientific Interests

  • Stellar spectroscopy, dwarf galaxies, and near-field cosmology

Publications

  • Bissonette, D., Ji, A. P., Simon, J. D., Bland-Hawthorn, J., Chiti, A., Geha, M., Li, T. S., Frebel, A., & Luna, A. M. (2026). The Metallicity Distribution of the Ultra-Faint Dwarf Galaxy Segue 1. The Open Journal of Astrophysics, 9. arXiv | DOI
  • Cerny, W., Bissonette, D., Ji, A. P., Geha, M., Chiti, A., Smith, S. E. T., Simon, J. D., Pace, A. B., Kirby, E. N., Venn, K. A., Li, T. S., & Luna, A. M. (2026). No Observational Evidence for Dark Matter Nor a Large Metallicity Spread in the Extreme Milky Way Satellite Ursa Major III/UNIONS 1. The Astrophysical Journal Letters, 999(1), L8. arXiv | DOI
  • Cerny, W., Li, T. S., Pace, A. B., Simon, J. D., Geha, M., Ji, A. P., Drlica-Wagner, A., Bruce, J., Gnedin, O. Y., Bell, E. F., Mau, S., Escala, I., Bissonette, D., Savino, A., Chiti, A., & Kirby, E. N. (2026). A Chemodynamical Census of the Milky Way's Ultra-Faint Compact Satellites. I. A First Population-Level Look at the Internal Kinematics and Metallicities of 19 Extremely-Low-Mass Halo Stellar Systems. arXiv e-prints, arXiv:2602.17652. arXiv

Honors and Awards

  • 2026
    • Illinois Space Grant Consortium (ISGC) Graduate Fellowship, NASA
  • 2023
    • UChicago Astronomy & Astrophysics McCormick Fellowship
    • Chambliss Astronomy Achievement Award Honorable Mention
  • 2022
    • Princeton University Class of 1991 Foundation Scholarship
  • 2021
    • Princeton Service Focus Winter Grant: Educational Equity
  • 2020
    • John C. Bogle ’51 Fellowship at Princeton University
    • Scholars Institute Fellows Program (SIFP) Summer Math Fellowship
    • Evergreen STEM Scholarship

Research Experience

  • 2023 –
    Graduate Research Assistant at the University of Chicago
    • Advised by Dr. Alexander Ji: Using stellar spectroscopy from the Low Resolution Imaging Spectrometer (LRIS) to constrain stellar metallicities in the dwarf galaxy Segue I. Paper in prep
  • 2022 – 2023
    Senior Thesis at Princeton University
    • Advised by Dr. Jenny Greene: Determined the initial mass function of a set of early-type galaxies using spectroscopy from the MASSIVE Survey and molecular gas observations from ALMA data.
  • Summer 2022
    International Internship Program (IIP) at Cardiff University
    • Advised by Dr. Timothy Davis: Determined the star formation efficiency for a sample of 13 galaxies using ALMA observations of CO(1-0) emission with results that further the ability to constrain dark matter distributions of these galaxies.
  • 2021 – 2022
    Junior Independent Research at Princeton University
    • Undergraduate Summer Research Program (USRP): Advised by Dr. Elena Murchikova and Dr. Neta Bahcall: Analyzed spectral data from the Neutron Star Interior Composition Explorer (NICER) mission to measure x-ray variability at SgrA* during the S02 star flyby.
  • Summer 2020
    Research and Development Intern at NuMED For Children Inc.
    • Worked directly with the Head of R&D on NuMED’s international team to develop of a new pediatric cardiac stent design that received FDA approval in December 2021.

Talks & Posters

  • June 2025
    Dwarf Galaxies II: Galactic Frontiers Conference
    • Poster, Dartmouth College, Hanover, NH.
  • August 2024
    Small Galaxies, Cosmic Questions II
    • Poster, Durham, UK.
  • May 2024
    First Stars VII Conference
    • Flash Talk, New York, NY.
  • January 2023
    241st American Astronomical Society Meeting
    • Poster, Seattle, WA.
  • August 2022
    2022 International Internship Program Research Symposium
    • Poster, Princeton University.
  • July 2022
    Summer Star Formation Meeting
    • Contributed Talk, Cardiff University.
  • May 2022
    Junior Paper Research Symposium
    • Contributed Talk, Princeton University.
  • January 2022
    Conference of Undergraduate Women in Physics
    • Virtual Poster, Rutgers University.
  • August 2021
    USRP Astrophysics Summer Research Symposium
    • Contributed Talk, Princeton University.

Teaching Experience

  • 2026
    Undergraduate Research Mentor at the University of Chicago
    • Jacob Mascort (DePaul University), through the SkAI Institute SEED Program.
    • Hexi Jin (University of Chicago), undergraduate research in the Department of Astronomy and Astrophysics.
  • 2023 – 2024
    Graduate Teaching Assistant at the University of Chicago
    • ASTR12600: Mass, Energy, Space, and Time, Fall 2023; ASTR12700: Galaxies, Winter 2024.
    • Led laboratory sections focused on quantitative and problem-solving skills in physics, astronomy, and math topics
    • Held weekly office hours, graded assignments and lab reports
  • Spring 2022
    Undergraduate Teaching Assistant at Princeton University
    • AST203: The Universe.
    • Invited by the department to assist with the introductory astronomy course
    • Held weekly office hours and problem sessions, graded homework and exams
    • Led monthly observing sessions for students

Service and Outreach

  • November 2024 –
    Astronomy Conversations at Adler Planetarium
    • Volunteer presenter in Adler's Space Visualization Lab, discussing current astronomy research with museum visitors.
  • 2024 – 2025
    STEM Pen Pal Programs
    • UChicago Physical Sciences Division Pen Pal Program: year-long letter exchange pairing PSD graduate students with students at local schools.
    • Letters to a Pre-Scientist: national program pairing middle school students with STEM professionals by mail.
  • November 2023
    Lifelong Learning Talk at Chicago Public Library
    • Interactive lecture for senior citizens about the role of spectroscopy in astronomy at Chicago’s Blackstone Public Library.
  • 2023 –
    Community Engagement Working Group, UChicago Astrophysics
    • Coordinate outreach activities, including the South Side Science Festival and the South Side Astronomy Art Contest.
    • Further equity and diversity initiatives in the department by organizing speaker events, bias and microaggression workshops, and refining the department code of conduct.
  • 2022 – 2023
    PhET (Physics Education Technology) Simulations DEIB Advisory Board
    • Helping inform PhET’s framework for equity and strategy plan for their DEIB in STEM Education Initiative at the University of Colorado at Boulder.
  • 2022 – 2023
    Conference of Undergraduate Women in Physics Local Organizing Committee
    • Undergraduate Representative: Recruited potential speakers, assisted with sources for funding, helped establish organizer training on topics such as accessibility and LGBTQ+ inclusivity.
  • 2021 – 2023
    Council of Science and Technology (CST) Student Advisory Board
    • Assisting with planning and outreach for CST Physical Sciences/Engineering events, working to advance STEM literacy at Princeton and beyond.

Skills

Research & Analysis
Spectroscopy
Metallicity Measurement
Observational Astronomy
Data Reduction
Technical Skills
Python
NumPy
Astropy
Matplotlib
Git
LaTeX
Bash
Communication & Teaching
Teaching Assistantship
Science Outreach
Public Speaking

Observing Experience

Facilities
Keck LRIS 3 nights
MIKE 2 nights

Languages

Languages
English Native speaker
Spanish Conversational