Experimental and numerical investigation of plasma parameters in the magnetosheath

Autor: Olga Nitcheva, Polya Dobreva, Georgy Zastenker, M. D. Kartalev, Natalia Borodkova
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: MATEC Web of Conferences, Vol 145, p 03003 (2018)
Popis: We investigate the behaviour of the plasma parameters in the magnetosheath in a case when Interball-1 satellite stayed in the magnetosheath, crossing the tail magnetopause. In our analysis we apply the numerical magnetosheath-magnetosphere model as a theoretical tool. The bow shock and the magnetopause are self-consistently determined in the process of the solution. The flow in the magnetosheath is governed by the Euler equations of compressible ideal gas. The magnetic field in the magnetosphere is calculated by a variant of the Tsyganenko model, modified to account for an asymmetric magnetopause. Also, the magnetopause currents in Tsyganenko model are replaced by numericaly calulated ones. Measurements from WIND spacecraft are used as a solar wind monitor. The results demonstrate a good agreement between the model-calculated and measured values of the parameters under investigation.
Databáze: OpenAIRE