PS8 Meteors and meteor swarms Convener: Scherer, K. Co-Convener(s): Jenniskens, P. Tuesday, 20 April 1999 Lecture Room: Commissiekamer 4 Chairperson: N.N. 14:30 JENNISKENS, P. The 1998 Leonid multi-instrument aricraft campaign 14:50 ZENDER, J.; KOSCHNY, D.; SCHWEHM, G. Analysis of meteor video observations using ViDAS 15:10 ARLT, R.; RENDTEL, J. The 1998 Leonid meteor shower as recorded by visual observations 15:30 CEVOLANI, G.; FOSCHINI, L.; HAJDUK, A.; PORUBCAN, V.; PUPILLO, G. The display of the Leonid meteoroid stream from recent radio observations 15:50 WESTMAN, A.; WANNBERG, G.; PELLINEN-WANNBERG, A. Leonids 1997 and 1998 meteor shower results from the EISCA incoherent scatter radars 16:10 JENNISKENS, P. Physical conditions of temperature and pressure in the meteor path 16:30 BREAK Chairperson: N.N. 17:00 GERDING, M.; ALPERS, M.; VON ZAHN, U. Abundances of Ca and Fe in meteor trails from groundbased lidar 17:20 ZENDER, J.; KOSCHNY, D.; SCHWEHM, G. Leonid observations 1998 and plans for the 1999 apparation at ESA/SSD 17:40 KOKHIROVA, G. Determination of the calcium ions concentration in the meteor coma along the meteor path 18:00 END OF SESSION