Probing plasma physics and elemental composition of a leonid meteor by fitting complex plasma radiation model parameters

0559998 - ÚFCH JH 2023 RIV GB eng J - Journal Article
Kubelík, Petr - Koukal, J. - Lenža, Libor - Srba, J. - Laitl, Vojtěch - Křížová, R. - Křivková, Anna - Civiš, Svatopluk - Chernov, V. E. - Ferus, Martin
Probing plasma physics and elemental composition of a leonid meteor by fitting complex plasma radiation model parameters.
Monthly Notices of the Royal Astronomical Society. Roč. 514, č. 4 (2022), s. 5266-5275. ISSN 0035-8711. E-ISSN 1365-2966
R&D Projects: GA ČR(CZ) GA18-27653S; GA ČR(CZ) GA21-11366S; GA ČR(CZ) GC20-10591J; GA MŠMT EF16_019/0000778
Grant - others:AV ČR(CZ) R200402002
Institutional support: RVO:61388955
Keywords : astrochemistry * plasmas * techniques: spectroscopic * meteorites * meteors * meteoroids
OECD category: Physical chemistry
Impact factor: 4.8, year: 2022
Method of publishing: Open access

A numerical simulation model was developed and employed in elemental composition determination and characterization of meteor plasma physical parameters, particularly the plasma excitation temperature and electron density, by fitting the model parameters to the emission spectrum of a bright Leonid bolide recorded in the visible spectral range. Novel model introduced in this study involves self-absorption and enables parallel optimization of tens of the parameters. We also discuss that the observed bolide spectrum is strongly dependent on observation geometry.
Permanent Link: https://hdl.handle.net/11104/0333107