| タイトル | Origin of metal ions in the coma of P/Giacobini-Zinner |
| 著者（英） | Ogilvie, K. W.; Geiss, J.; Bochsler, P.; Coplan, M. A. |
| 著者所属（英） | Maryland Univ.|NASA Goddard Space Flight Center|Bern Univ. |
| 発行日 | 1986-09-01 |
| 言語 | eng |
| 内容記述 | During the crossing of the ICE spacecraft through the coma of the comet Giacobini-Zinner, ions with a mass/charge ratio 24 + or - 1 were unexpectedly found. Na(+) and/or Mg(+) would fit into this mass range. Processes that could lead to high metal ion abundances in cometary comas are discussed and it is concluded that evaporation or sputtering from silicate grains are not likely to be responsible. A remaining possibility is the occurrence of alkali metals in the icy phase as a result of either cometary differentiation or cocondensation of these elements with the icy component prior to the accretion of cometary bodies. |
| NASA分類 | ASTROPHYSICS |
| レポートNO | 87A20276 |
| 権利 | Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/380619 |
