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Updated: Feb 4, 2026

Making Sense of Listening: The IMAP Test Battery
Published on: October 11, 2010
The IMAP Observatory Overview
K P Hegarty1, S Kubota1, M Cully1
1Johns Hopkins University, Applied Physics Laboratory, Laurel, MD 20723 USA.
Abstract:
NASA's Interstellar Mapping and Acceleration Probe (IMAP) mission simultaneously investigates the acceleration of particles expelled from the Sun, and how the interaction of these particles with the local interstellar medium shapes our heliospheric boundary. The IMAP observatory makes critical measurements that facilitate this ground breaking science by incorporating a spin stabilized spacecraft orbiting around the first Sun-Earth Lagrange point, L1, with a payload comprised of ten unique instruments, making comprehensive and synergistic observations of solar wind, suprathermal, energetic particles and magnetic field, energetic neutral atoms mapping the boundary of our heliosphere, as well as interstellar neutral atoms and dust. This paper provides details on the design, integration, and testing of the IMAP observatory.
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