The laboratory simulation of unmagnetized supernova remnants Absence of a blast wave

Autor:	J. E. Borovsky, R. A. Roussel-Dupre, T.-H. Tan, M. B. Pongratz
Rok vydání:	1984
Předmět:	Shock wave Physics Astrophysics::High Energy Astrophysical Phenomena Astronomy and Astrophysics Plasma Astrophysics Interstellar medium Stars Supernova Space and Planetary Science Astrophysics::Solar and Stellar Astrophysics Ejecta Supernova remnant Astrophysics::Galaxy Astrophysics Blast wave
Zdroj:	The Astrophysical Journal. 280:802
ISSN:	1538-4357 0004-637X
Popis:	Supernova remnants are experimentally simulated by irradiating spherical targets with eight-beam carbon dioxide laser in a chamber containing finite amounts of neutral gas, the gas being ionized by radiation from the hot target. The expansion velocities of the target plasmas are approximately the same as the expansion velocities of supernova ejecta and the experiment is successfully scaled to the case of a supernova remnant in an unmagnetized, low-density, interstellar medium. No sweep-up of the ambient plasma is detected, indicating that no hydrodynamic shock wave is formed to couple the target ejecta to the ambient gas. The experiment implies that if supernova ejecta couple to the interstellar medium, magnetic-field effects may be crucial to the physical description.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::c2d213a58eb42ee996dfaa405d1bd304 https://doi.org/10.1086/162054 Zobrazit plný text záznamu