Small‐scale magnetic fields on the lunar surface inferred from plasma sheet electrons
Small‐scale magnetic fields on the lunar surface inferred from plasma sheet electrons
复制标题
从等离子体片电子推断出月球表面的小尺度磁场
DOI：
10.1002/grl.50662
复制
发表时间：
2013
影响因子：
5.2
通讯作者：
H. Shimizu
中科院分区：
文献类型：
--
作者：
Y. Harada;S. Machida;Yoshifumi Saito;S. Yokota;K. Asamura;M. Nishino;H. Tsunakawa;H. Shibuya;F. Takahashi;M. Matsushima;H. Shimizu
尽管在月球表面和月球表面进行了数十次磁场测量，但月球地壳磁场的起源仍不清楚。解决这个问题的一个主要障碍是很难确定小尺度磁化的表面分布。我们提出了一种利用地球等离子体片中高能电子的非绝热散射来绘制小尺度磁场的新技术。粒子追踪，利用从磁力计测量合成的三维月球磁场数据，使我们能够分离出小尺度和大尺度磁场对电子运动的贡献。我们在南极-艾特肯盆地西南侧绘制了与更大规模磁化相关的重要千米尺度磁场。这意味着千米尺度的磁化可能在月球表面普遍存在，并且与大规模磁化有关。
The origins of the lunar crustal magnetic fields remain unclear although dozens of magnetic field measurements have been conducted on and above the lunar surface. A major obstacle to resolving this problem is the extreme difficulty of determining a surface distribution of small‐scale magnetization. We present a new technique to map small‐scale magnetic fields using nonadiabatic scattering of high‐energy electrons in the terrestrial plasma sheet. Particle tracing, utilizing three‐dimensional lunar magnetic field data synthesized from magnetometer measurements, enables us to separate the contributions to electron motion of small‐ and large‐scale magnetic fields. We map significant kilometer‐scale magnetic fields on the southwestern side of the South Pole‐Aitken basin that are correlated with larger‐scale magnetization. This implies that kilometer‐scale magnetization may be ubiquitous over the lunar surface and related to the large‐scale magnetization.
影响因子：
10.3
作者：
Yoshifumi Saito;S. Yokota;K. Asamura;Takaaki Tanaka;M. Nishino;Tadateru I. Yamamoto;Yuta Terakawa;M. Fujimoto;H. Hasegawa;H. Hayakawa;M. Hirahara;M. Hoshino;S. Machida;T. Mukai;T. Nagai;T. Nagatsuma;T. Nakagawa;M. Nakamura;K. Oyama;E. Sagawa;S. Sasaki;K. Seki;I. Shinohara;T. Terasawa;H. Tsunakawa;H. Shibuya;M. Matsushima;H. Shimizu;F. Takahashi
通讯作者：
Yoshifumi Saito;S. Yokota;K. Asamura;Takaaki Tanaka;M. Nishino;Tadateru I. Yamamoto;Yuta Terakawa;M. Fujimoto;H. Hasegawa;H. Hayakawa;M. Hirahara;M. Hoshino;S. Machida;T. Mukai;T. Nagai;T. Nagatsuma;T. Nakagawa;M. Nakamura;K. Oyama;E. Sagawa;S. Sasaki;K. Seki;I. Shinohara;T. Terasawa;H. Tsunakawa;H. Shibuya;M. Matsushima;H. Shimizu;F. Takahashi
DOI：
10.1186/bf03352802
发表时间：
2008-04
期刊：
Earth, Planets and Space
影响因子：
--
作者：
Yoshifumi Saito;S. Yokota;K. Asamura;Takaaki Tanaka;R. Akiba;M. Fujimoto;H. Hasegawa;H. Hayakawa;M. Hirahara;M. Hoshino;S. Machida;T. Mukai;T. Nagai;T. Nagatsuma;M. Nakamura;K. Oyama;E. Sagawa;S. Sasaki;K. Seki;T. Terasawa
通讯作者：
Yoshifumi Saito;S. Yokota;K. Asamura;Takaaki Tanaka;R. Akiba;M. Fujimoto;H. Hasegawa;H. Hayakawa;M. Hirahara;M. Hoshino;S. Machida;T. Mukai;T. Nagai;T. Nagatsuma;M. Nakamura;K. Oyama;E. Sagawa;S. Sasaki;K. Seki;T. Terasawa