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Space observatory
Hakucho (also known asCORSA-b before launch; CORSA stands forCosmic Radiation Satellite ) wasJapan 's firstX-ray astronomy satellite ,developed by theInstitute of Space and Aeronautical Science (then a division of theUniversity of Tokyo ). It was launched from theKagoshima Space Center by the ISASM-3C rocket on the M-3C-4 mission on February 21, 1979[1] [2]
Hakucho was a replacement for theCosmic Radiation Satellite (CORSA) satellite which failed to launch due to rocket failure on February 4, 1976.[3]
Highlights [ edit ] 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. See also [ edit ] References [ edit ]
Operating
Planned Proposed Retired Hibernating(Mission completed) Lost/Failed Cancelled Related
Italics indicates projects in development.Symbol† indicates failed projects.
Strikethrough lines indicate cancelled projects.
National space agencies Joint development partners
Payloads are separated by bullets ( · ), launches by pipes ( | ). Crewed flights are indicated inunderline .Uncatalogued launch failures are listed initalics .Payloads deployed from other spacecraft are denoted in (brackets).
