skip to main content

SciTech ConnectSciTech Connect

Title: Plasma-satellite interaction driven magnetic field perturbations

We report the first fully kinetic quantitative estimate of magnetic field perturbations caused by the interaction of a spacecraft with space environment. Such perturbations could affect measurements of geophysical magnetic fields made with very sensitive magnetometers on-board satellites. Our approach is illustrated with a calculation of perturbed magnetic fields near the recently launched Swarm satellites. In this case, magnetic field perturbations do not exceed 20 pT, and they are below the sensitivity threshold of the on-board magnetometers. Anticipating future missions in which satellites and instruments would be subject to more intense solar UV radiation, however, it appears that magnetic field perturbations associated with satellite interaction with space environment, might approach or exceed instruments' sensitivity thresholds.
Authors:
 [1] ;  [2] ;  [1]
  1. Department of Physics, University of Alberta, Edmonton, Alberta T6G 2E1 (Canada)
  2. (Pakistan)
Publication Date:
OSTI Identifier:
22303605
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 21; Journal Issue: 9; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; ENVIRONMENT; MAGNETIC FIELDS; MAGNETOMETERS; PERTURBATION THEORY; PLASMA; SATELLITES; SENSITIVITY; SPACE; ULTRAVIOLET RADIATION