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Record 1 2010-02-17


Subject field(s)
  • Spacecraft
  • Astronomy

HALCA was launched by M-V-1 on February 12, 1997. As a radio astronomy satellite, it conducted various engineering experiments including deployment of large antenna and VLBI (very long baseline interferometry) interference experiments before successfully making VLBI observation.

Key term(s)
  • radioastronomy satellite
  • radio-astronomy satellite


  • Engins spatiaux
  • Astronomie

Lancement du satellite de radioastronomie HALCA à la rampe de lancement de Kagoshima, au Japon. Les signaux transmis par le satellite japonais sont fusionnés à ceux transmis par les radiotélescopes du réseau mondial d'interférométrie à très longue base (VLBI). Les astronomes utilisent un système informatique appelé «corrélateur» [...]

Key term(s)
  • satellite de radio-astronomie
  • satellite de radio astronomie


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