science

Science

I graduated from UCLA in 2022 with a B.S. in astrophysics and minor in atmospheric and oceanic sciences. After graduating, I spent two years working at Los Alamos National Laboratory (LANL) on magnetospheric research as a post-baccalaureate researcher. At LANL, my primary effort was in a comprehensive reprocessing and analysis of HOPE mass spectrometer ion measurements taken over the overarching duration of the Van Allen Probes mission, culminating in characterization of a prominent, asymmetric heavy-ion population in the near-Earth magnetosphere.

I have now begun graduate study at the University of Michigan in Ann Arbor. In the Department of Climate and Space Sciences (familiarly known as CLASP) , I will be continuing to investigate the structure and dynamics of planetary magnetospheres, working with Professor Mike Liemohn on empirical analysis and numerical modeling of the distinctive gas-giant plasma environments.

At the University of Michigan, I am a member of the MITHRAS (Magnetosphere-Ionosphere-Thermosphere Research & Applied Sciences) research group, which synergistically strives to enhance our understanding of the coupled dynamics of plasma and electromagnetic fields in various heliospheric and planetary systems, primarily through the development and use of state-of-the-art space-weather models. More information on MITHRAS can be found here.

Publications:

[4] Roosnovo, A., Fernandes, P., Skoug, R., Henderson, M., Jordanova, V., Reeves, G., Funsten, H.O. “Dawn-dusk heavy-ion asymmetry in the inner magnetosphere dependence on adiabatic invariant mu and pitch angle.” In preparation.

[3] Tsai, E., Palla, A., Norris, A., King, J., Russell, C., Ye, S., et al. (including Roosnovo, A.) (2024). “Remote sensing of electron precipitation mechanisms enabled by ELFIN mission operations and ADCS.” Advances in Space Research. https://doi.org/10.1016/j.asr.2024.07.008

[2] Roosnovo, A., Artemyev, A., Zhang, XJ., Angelopoulos, V., Ma, Q., Grimmich, N., Plaschke, F., Fischer, D., Werner M. (2024) “Relativistic electron precipitation events driven by solar wind impact on the Earth’s magnetosphere.” Journal of Geophysical Research: Space Physics, 129, e2023JA032257. https://doi.org/10.1029/2023JA032257

[1] Angelopoulos, V., Zhang, XJ., Artemyev, A., et al. (including Roosnovo, A.) “Energetic Electron Precipitation Driven by Electromagnetic Ion Cyclotron Waves from ELFIN’s Low Altitude Perspective.” Space Science Reviews 219, 37. https://doi.org/10.1007/s11214-023-00984-w

Presentations:

[5] “Characterization of a Duskside Heavy-ion Dominant Region In Earth’s Inner Magnetosphere: A Van Allen Probes Hope Survey” (Talk). LANL ISR Seminar. Los Alamos, New Mexico. July 30, 2024

[4] “Inner magnetosphere ion composition as a function of mu and pitch angle as observed by Van Allen Probes HOPE” (Talk). AGU Fall Meeting. San Francisco, CA. SM43A-05. December 14, 2023

[3] “Electron Precipitation as Driven by IP Shock Impact on the Earth’s Magnetosphere” (Talk). THEMIS/ARTEM-IS Post-AGU SWT Meeting. Chicago, IL. December 17, 2022

[2] “Electron Precipitation as Driven by Interplanetary Shock Impact on the Earth’s Magnetosphere” (Poster). AGU Fall Meeting. Chicago, IL. SM52D-1436. December 16, 2022

[1] “On Using MEMS Magnetometers for Ground-based Space Weather Observations” (Poster). AGU Fall Meeting. New Orleans, LA. SA35F-1955. December 17, 2021

Educational Talks and Other Outreach:

“Space Weather: Living in the Solar Breeze” (Talk). UCLA Planetarium Show. Los Angeles, CA. May 26, 2022

*Click on the title of any of the publications or presentations above to be directed to the relevant link, if available.