Magnetic field signatures near Galileo's closest approach to Gaspra

Details Magnetic field signatures near Galileo's closest approach to Gaspra Magnetic field signatures near Galileo's closest approach to Gaspra

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993sci...261..331k&link_type=abstract

Science (ISSN 0036-8075), vol. 261, no. 5119, p. 331-334.

Computer Science

67

Asteroids, Galileo Spacecraft, Interplanetary Magnetic Fields, Magnetic Signatures, Magnetization, Perturbation, Solar Wind, Whistlers, Asteroids, Gaspra, Spacecraft Observations, Galileo Mission, Comparison, Magnetic Field, S Asteroids, Distribution, Magnetometer, Perturbation, Geometry, Rotation, Solar Wind, Models, Magnetosphere, Meteorites, Nrm, Remanent Magnetization, Magnetization, Interaction, Whistlers, Waves, Wavelengths

Scientific paper

Two large magnetic field rotations were recorded by the spacecraft Galileo 1 minute before and 2 minutes after its closest approach to the asteroid Gaspra. The timing and the geometry of the field changes suggest a connection with Gaspra, and the events can be interpreted as the result of the draping of the solar wind field around a magnetospheric obstacle. Gaspra's surface field is inferred to be within an order of magnitude of Earth's surface field, and its magnetic moment per unit mass is in the range observed for iron meteorites and highly magnetized chondrites. The location of the magnetic signatures suggests that perturbations are carried by waves in the magnetosonic-whistler mode with wavelengths between electron and ion gyro radii.

Affiliated with

Also associated with

No associations

Rating

Magnetic field signatures near Galileo's closest approach to Gaspra does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Magnetic field signatures near Galileo's closest approach to Gaspra, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetic field signatures near Galileo's closest approach to Gaspra will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1232041