Other
Scientific paper
May 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978jgr....83.2211l&link_type=abstract
Journal of Geophysical Research, vol. 83, May 1, 1978, p. 2211-2215.
Other
Dual Spin Spacecraft, Instrument Errors, Magnetic Fields, Magnetometers, Spacecraft Instruments, Error Analysis, Jupiter Probes, Magnetic Dipoles, Magnetic Measurement, Magnetic Moments, Spherical Harmonics
Scientific paper
A method of estimating and correcting for the magnetic field of a dual spinning spacecraft has been developed by employing an extension of the dual magnetometer technique of Ness et al. (1971). This new method is useful for those situations in which a magnetometer boom of modest length (7-10 m) is attached to the spinning part of a large spacecraft (800-1000 kg). The purpose of using a dual spinning spacecraft is to accommodate two types of instruments: (1) imaging and similar 'pointed' remote sensing systems on the stationary platform and (2) fields, particles, and other in situ measuring instruments on the spinning portion. Present-day imaging systems are well known to exhibit large magnetic moments, sometimes displaced from the spacecraft center by a significant amount. The new method assumes that the stationary part of the spacecraft possesses a magnetic field which is represented by a combination of a dipole and a quadrupole field.
Lepping Ronald P.
Ness Norman F.
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