DOI: 10.1002/2013GL058786
论文题名: Interplanetary and interstellar dust observed by the Wind/WAVES electric field instrument
作者: Malaspina D.M. ; Horányi M. ; Zaslavsky A. ; Goetz K. ; Wilson L.B. ; Kersten K.
刊名: Geophysical Research Letters
ISSN: 0094-10467
EISSN: 1944-10198
出版年: 2014
卷: 41, 期: 2 起始页码: 266
结束页码: 272
语种: 英语
英文关键词: dust measurement techniques
; electric field dust detection
; interplanetary dust
; interstellar dust
Scopus关键词: Electric field effects
; Instruments
; Population statistics
; Solar system
; Spacecraft
; Antenna configurations
; Direct determination
; Dust detection
; Field instruments
; Interplanetary dust
; Interstellar dust
; Measurement techniques
; Rotating spacecrafts
; Dust
; amplitude
; antenna
; atmospheric electricity
; electric field
; interplanetary dust
; spacecraft
; waveform analysis
英文摘要: Observations of hypervelocity dust particles impacting the Wind spacecraft are reported here for the first time using data from the Wind/WAVES electric field instrument. A unique combination of rotating spacecraft, amplitude-triggered high-cadence waveform collection, and electric field antenna configuration allow the first direct determination of dust impact direction by any spacecraft using electric field data. Dust flux and impact direction data indicate that the observed dust is approximately micron-sized with both interplanetary and interstellar populations. Nanometer radius dust is not detected by Wind during times when nanometer dust is observed on the STEREO spacecraft and both spacecraft are in close proximity. Determined impact directions suggest that interplanetary dust detected by electric field instruments at 1 AU is dominated by particles on bound trajectories crossing Earth's orbit, rather than dust with hyperbolic orbits. ©2014. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84893014547&doi=10.1002%2f2013GL058786&partnerID=40&md5=4dc8045701999dc3e3b44e037d2eac83
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/7731
Appears in Collections: 气候减缓与适应
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作者单位: Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Boulder, CO, United States
Recommended Citation:
Malaspina D.M.,Horányi M.,Zaslavsky A.,et al. Interplanetary and interstellar dust observed by the Wind/WAVES electric field instrument[J]. Geophysical Research Letters,2014-01-01,41(2).