PTYS/LPL Faculty
Jozsef Kota
Ph.D. 1980, Eötvös Loránd University (Budapest)
Years with LPL: 1989 to present
Solar and Heliospheric Research, Theoretical Astrophysics, Theoretical space physics & space weather
Dr. Kota's research interest is centered around energetic particles, solar wind, and magnetic fields in the Heliosphere. He conducts theoretical and numerical studies on galactic and anomalous cosmic rays, as well as fast neutral atoms, which offer a unique tool to probe the remote areas of the heliosphere. He has developed a number of numerical codes to model the transport and acceleration of cosmic rays in the interplanetary magnetic field.
Recently, he has been involved in modeling space weather in the Earth's environment. The aim of this research is to understand, model, and forecast large solar energetic particle (SEP) events; to understand the mechanism how Coronal Mass Ejections drive a shock and accelerate ions to high (often relativistic) energies.
Current Grants
- Geophysically Relevant Prediction for Solar Cycle 25 (Arizona PI) Collaborative Research led by Georgia State University NASA Living with a Star Program Duration: 2016-2019
Current Spacecraft Involvement
Interstellar Boundary Explorer, Ulysses, VoyagerFormer Spacecraft Involvement
- IBEX, Guest Investigator
- Ulysses, Guest investigator
- Voyager, Guest Investigator
Complete publications list available from: NASA ADS Author search: J. Kota
Refereed publications (NASA ADS): Years 2016 through 2022
Munakata, K., Kozai, M., Kato, C., Hayashi, Y., Kataoka, R., Kadokura, A., Tokumaru, M., Mendonça, R. R. S., Echer, E., Lago, A. Dal, Rockenbach, M., Schuch, N. J., Bageston, J. V., Braga, C. R., Jassar, H. K. Al, Sharma, M. M., Duldig, M. L., Humble, J. E., Sabbah, I., Evenson, P., Mangeard, P. -S., Kuwabara, T., Ruffolo, D., Sáiz, A., Mitthumsiri, W., Nuntiyakul, W., & Kóta, J. 2022, The Astrophysical Journal. Large-amplitude Bidirectional Anisotropy of Cosmic-Ray Intensity Observed with Worldwide Networks of Ground-based Neutron Monitors and Muon Detectors in 2021 November
Nikoukar, Romina, Hill, Matthew E., Brown, Lawrence, Kota, Jozsef, Decker, Robert B., Dialynas, Konstantinos, Hamilton, Douglas C., Krimigis, Stamatios M., Lasley, Scott, Roelof, Edmond C., Mitchell, J. Grant, Florinski, Vladimir., Giacalone, Joe., Richardson, John, & Opher, Merav 2022, The Astrophysical Journal. On the Energy Dependence of Galactic Cosmic Ray Anisotropies in the Very Local Interstellar Medium
Giacalone, J., Fahr, H., Fichtner, H., Florinski, V., Heber, B., Hill, M. E., Kóta, J., Leske, R. A., Potgieter, M. S., & Rankin, J. S. 2022, Space Science Reviews. Anomalous Cosmic Rays and Heliospheric Energetic Particles
Giacalone, J., Nakanotani, M., Zank, G. P., Kòta, J., Opher, M., & Richardson, J. D. 2021, The Astrophysical Journal. Hybrid Simulations of Interstellar Pickup Protons Accelerated at the Solar-wind Termination Shock at Multiple Locations
Kihara, W., Munakata, K., Kato, C., Kataoka, R., Kadokura, A., Miyake, S., Kozai, M., Kuwabara, T., Tokumaru, M., Mendonça, R. R. S., Echer, E., Lago, A. Dal, Rockenbach, M., Schuch, N. J., Bageston, J. V., Braga, C. R., Al Jassar, H. K., Sharma, M. M., Duldig, M. L., Humble, J. E., Evenson, P., Sabbah, I., & Kóta, J. 2021, Space Weather. A Peculiar ICME Event in August 2018 Observed With the Global Muon Detector Network
Cummings, A. C., Stone, E. C., Richardson, J. D., Heikkila, B. C., Lal, N., & Kóta, J. 2021, The Astrophysical Journal. No Stagnation Region before the Heliopause at Voyager 1? Inferences from New Voyager 2 Results
Munakata, K., Kozai, M., Evenson, P., Kuwabara, T., Kato, C., Tokumaru, M., Rockenbach, M., Dal Lago, A., de Mendonca, R. R. S., Braga, C. R., Schuch, N. J., Jassar, H. K. Al, Sharma, M. M., Duldig, M. L., Humble, J. E., Sabbah, I., & Kóta, J. 2018, The Astrophysical Journal. Cosmic-Ray Short Burst Observed with the Global Muon Detector Network (GMDN) on 2015 June 22
Kóta, J. & Jokipii, J. R. 2017, The Astrophysical Journal. Transient Cosmic-ray Events beyond the Heliopause: Interpreting Voyager-1 Observations
Kozai, Masayoshi, Munakata, Kazuoki, Kato, Chihiro, Kuwabara, Takao, Bieber, John W., Evenson, Paul, Rockenbach, Marlos, Lago, Alisson Dal, Schuch, Nelson J., Tokumaru, Munetoshi, Duldig, Marcus L., Humble, John E., Sabbah, Ismail, Al Jassar, Hala K., Sharma, Madan M., & Kóta, Jozsef 2016, Earth, Planets, and Space. Erratum: Erratum to: The spatial density gradient of galactic cosmic rays and its solar cycle variation observed with the Global Muon Detector Network
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