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Volume 15, issue 5
Ann. Geophys., 15, 514–527, 1997
© European Geosciences Union 1997

Special issue: Interball

Ann. Geophys., 15, 514–527, 1997
© European Geosciences Union 1997

  31 May 1997

31 May 1997

ASPI experiment: measurements of fields and waves on board the INTERBALL-1 spacecraft

S. Klimov1, S. Romanov1, E. Amata2, J. Blecki3, J. Büchner4, J. Juchniewicz3, J. Rustenbach4, P. Triska5, L. J. C. Woolliscroft6, S. Savin1, Yu. Afanas'yev7, U. de Angelis13, U. Auster4, G. Bellucci2, A. Best15, F. Farnik5, V. Formisano2, P. Gough8, R. Grard9, V. Grushin1, G. Haerendel4,14, V. Ivchenko16, V. Korepanov10, H. Lehmann11, B. Nikutowski4, M. Nozdrachev1, S. Orsini2, M. Parrot12, A. Petrukovich1, J. L. Rauch12, K. Sauer4, A. Skalsky1, J. Slominski3, J. G. Trotignon12, J. Vojta5, and R. Wronowski3 S. Klimov et al.
  • 1Space Research Institute, Russian Academy of Sciences, Moscow, Russia
  • 2Interplanetary Space Physics Institute, CNR, Frascati, Italy
  • 3Space Research Center, Polish Academy of Sciences, Warsaw, Poland
  • 4Max-Planck-Institut für extraterrestrische Physik, Außenstelle Berlin, Germany
  • 5Institute of atmospheric physics, Academy of Sciences of Czech Republic, Praha, Czech Republic­
  • 6Department of Automatic Control and Systems Engineering, Sheffield University, Sheffield, UK
  • 7Institute of Metrology, St. Peterburg, Russia
  • 8Sussex Space Centre, Falmer, UK
  • 9Space Science Department, ESA, Noordwijk, The Netherlands
  • 10Special Design Division, Ukrainian Academy of Sciences, Lviv, Ukraine
  • 11Institute for Space Sensors, DLR, Berlin, Germany
  • 12Laboratory of Physics and Chemistry of the Environment, CNRS, Orleans, France
  • 13University of Naples, Naples, Italy
  • 14Max-Planck-Institut für extraterrestrische Physik, Garshing, Germany
  • 15Geoforschungszentrum Potsdam, Außenstelle Observatorium Niemegk, Germany
  • 16Kiev University, Kiev, Ukraine

Abstract. The plasma-wave experiment ASPI (analysis of spectra of plasma waves and instabilities) on board the INTERBALL spacecraft is a combined wave diagnostics experiment. It performs measurements of the DC and AC magnetic field vector by flux-gate and search-coil sensors, the DC and AC electric field vector by Langmuir double probes and the plasma current by Langmuir split probe. Preliminary data analysis shows the low noise levels of the sensors and the compatibility of new data with the results of previous missions. During several months of in-orbit operation a rich collection of data was acquired, examples of which at the magnetopause and plasma sheet are presented in second part of the paper.

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