当前位置: X-MOL 学术Planet. Space Sci. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Emission of energetic neutral atoms measured on the lunar surface by Chang’E-4
Planetary and Space Science ( IF 1.8 ) Pub Date : 2020-09-01 , DOI: 10.1016/j.pss.2020.104970
Aibing Zhang , Martin Wieser , Chi Wang , Stas Barabash , Wenjing Wang , Xiaodong Wang , Yongliao Zou , Lei Li , Jinbin Cao , Leif Kalla , Lei Dai , Johan Svensson , Linggao Kong , Magnus Oja , Bin Liu , Vesa Alatalo , Yiteng Zhang , Juha Talonen , Yueqiang Sun , Magnus Emanuelsson , Changbin Xue , Lei Wang , Fang Wang , Wenlong Liu

Abstract The Advanced Small Analyzer for Neutrals (ASAN) is an international payload onboard the Chinese Chang’E-4 rover. It performed for the first time measurements of energetic neutral atoms (ENAs) on the lunar surface. We show a typical mass separated ENA energy spectrum measured by the ASAN. After normalizing to the impinging solar wind proton energy, good agreement to previous measurements from Chandrayaan-1 and IBEX is found. The hydrogen ENA albedo is estimated to be 32% for energy above 30 ​eV, comparable to the estimates obtained from Chandrayaan-1 and IBEX. Particle fluxes at lower energies are generally higher than those observed by Chandrayaan-1 and IBEX, and possible reasons are discussed.
更新日期:2020-09-01
down
wechat
bug