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<p>The Interstellar Dust Experiment (IDEX) onboard NASA’s Interstellar Mapping and Acceleration Probe (IMAP) is dedicated to measuring the flux, size distribution, and composition of Interstellar (ISD) and Interplanetary (IDP) Dust Particles while stationed at Lagrange point L1 of the Earth-Sun system. IDEX is an impact ionization Time-of-Flight (TOF) mass spectrometer that measures the elemental and/or molecular and selected isotopic composition of impacting dust particles. Due to its high sensitivity and large detection area, IDEX is expected to detect and analyze approximately 200 ISD and 1250 IDP particles over the first two years of the mission.</p>

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Interstellar Dust Experiment (IDEX) Onboard NASA’s Interstellar Mapping And Acceleration Probe (IMAP)

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年10月30日

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  • Mihály Horányi,
  • Scott Tucker,
  • Zoltan Sternovsky,
  • Kush Tyagi,
  • Scott Knappmiller,
  • Ethan Ayari,
  • Rebecca Mikula,
  • Jamey R. Szalay,
  • Sascha Kempf,
  • Chip Bollendonk,
  • Reid Gurnee,
  • Melanie Fisher,
  • Delphine McCann,
  • Luisa Coakley,
  • Scott Gurst,
  • Kristina Davis,
  • Shelley Bramer,
  • Marc Miller,
  • Joel Neher,
  • Gregory Newcomb,
  • Samuel Oberg,
  • Jeffrey Sayler,
  • Stacy Wade,
  • Teresa Deaton,
  • Alex Doner,
  • John Fontanese,
  • Eberhard Grün,
  • Colin Miller,
  • Robyn Wing,
  • Lee Holguin,
  • Max Fowle,
  • Tim Hellickson,
  • Asher Rhode,
  • Nat Brennan,
  • Doug Hansen,
  • Darren O’Connor,
  • Alec Kostovny,
  • Sam Shaver,
  • Karen Looney,
  • Neal J. Turner,
  • Jon Hillier,
  • Frank Postberg,
  • Ralf Srama,
  • Eric Christian,
  • Matina Gkioulidou,
  • David J. McComas,
  • Nathan A. Schwadron

摘要

The Interstellar Dust Experiment (IDEX) onboard NASA’s Interstellar Mapping and Acceleration Probe (IMAP) is dedicated to measuring the flux, size distribution, and composition of Interstellar (ISD) and Interplanetary (IDP) Dust Particles while stationed at Lagrange point L1 of the Earth-Sun system. IDEX is an impact ionization Time-of-Flight (TOF) mass spectrometer that measures the elemental and/or molecular and selected isotopic composition of impacting dust particles. Due to its high sensitivity and large detection area, IDEX is expected to detect and analyze approximately 200 ISD and 1250 IDP particles over the first two years of the mission.