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Interplanetary Hydrogen Properties as Probes into the Heliospheric Interface
  • +10
  • Majd Mayyasi,
  • John Clarke,
  • Eric Quemerais,
  • Olga Katushkina,
  • Vladislav Izmodenov,
  • Elena Provornikova,
  • Justyna Sokol,
  • Pontus Brandt,
  • André Galli,
  • Merav Opher,
  • Marc Kornbleuth,
  • Jeffrey Linsky,
  • Brian Wood
Majd Mayyasi
Boston University

Corresponding Author:[email protected]

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John Clarke
Boston University
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Eric Quemerais
LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales
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Olga Katushkina
IKI
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Vladislav Izmodenov
Space Res Institute (IKI) Russian Academy of Sciences
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Elena Provornikova
Catholic University of America
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Justyna Sokol
Southwest Research Institute
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Pontus Brandt
Johns Hopkins Univ/APL
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André Galli
University of Bern
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Merav Opher
Boston University
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Marc Kornbleuth
Boston University
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Jeffrey Linsky
University of Colorado at Boulder
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Brian Wood
Naval Research Lab
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Abstract

A NASA sponsored study conducted at John Hopkins University Applied Physics Lab culminated in a community-inspired heliospheric mission concept called the Interstellar Probe (ISP). The ISP’s science goals include understanding our habitable astrosphere by investigating its interactions with the interstellar medium, and determining the structure, composition, and variability of its constituents. A suite of instruments were proposed to achieve these and other science objectives. The instruments include a Lyman-a spectrograph for velocity-resolved measurements of neutral H atoms. The capability to address key components of the ISP’s science objectives by utilizing high spectral resolution Lyman-a measurements are described in this presentation. These findings have been submitted as a community White Paper to the recent Heliophysics decadal survey.