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Hakucho

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Launch date  21 February 1979
Hakucho httpsuploadwikimediaorgwikipediacommonsff
Similar  Tenma, Ginga, High Energy A, HALCA, Granat

Super hakucho 83km underground train 240meters under the ocean in japan going to honshu main island from hokkaido


Hakucho (also known as CORSA-b before launch) was Japan's first X-ray astronomy satellite, developed by the Institute of Space and Aeronautical Science (then a division of the University of Tokyo). It was launched by the ISAS M-3C-4 rocket on February 21, 1979 and reentered the atmosphere on April 16, 1985.

Contents

It was a replacement for the CORSA satellite which failed to launch due to rocket failure on February 4, 1976.

Highlights

  • Discovery of soft X-ray transient Cen X-4 and Aql X-1
  • Discovery of many burst sources
  • Long-term monitoring of X-ray pulsar (e.g. Vela X-1)
  • Discovery of 2 Hz variability in the Rapid Burster later named Quasi Period Oscillation.
  • References

    Hakucho Wikipedia


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