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The water production rate of Rosetta target Comet 67P/Churyumov-Gerasimenko near perihelion in 1996, 2002 and 2009 from Lyman α observations with SWAN/SOHO

Schmidt, W.; Bertaux, J. -L.; Combi, M. R. +1 more

We report here the observations of the hydrogen cloud in Lyman alpha emission of Comet 67P/Churyumov-Gerasimenko at the last three passages through its perihelion, in 1996, 2002 and 2009. This comet became the target of ESA space mission Rosetta in 2003, and is therefore of particular interest. The data were collected with the SWAN instrument on b…