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Analysis of the giacobini-zinner bow wave
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Slavin, J. A. Cowley, S. W. H. Bame, S. J. Smith, E. J. Richardson, I. G. Coplan, M. A. Ipavich, F. M. Hovestadt, D. Ogilvie, K. W. Thomsen, M. F. |
| Copyright Year | 1986 |
| Description | The cometary bow wave of P/Giacobini-Zinner has been analyzed using the complete set of ICE field and particle observations to determine if it is a shock. Changes in the magnetic field and plasma flow velocities from upstream to downstream have been analyzed to determine the direction of the normal and the propagation velocity of the bow wave. The velocity has then been compared with the fast magnetosonic wave speed upstream to derive the Mach number and establish whether it is supersonic, i.e., a shock, or subsonic, i.e., a large amplitude wave. The various measurements have also been compared with values derived from a Rankine-Hugoniot analysis. The results indicate that, inbound, the bow wave is a shock with M = 1.5. Outbound, a subsonic Mach number is obtained, however, arguments are presented that the bow wave is also likely to be a shock at this location. |
| File Size | 442229 |
| Page Count | 8 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19870013146 |
| Archival Resource Key | ark:/13960/t1mh2h54z |
| Language | English |
| Publisher Date | 1986-01-01 |
| Access Restriction | Open |
| Subject Keyword | Astrophysics Comets Shock Waves Giacobini-zinner Comet Solar Wind Bow Waves Electrons Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
