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Jean Aboudarham, Mr. - PhD |
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LESIA, OV Paris Data Center, Observatoire de Paris, Meudon, France |
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Session 4 - Poster |
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Filaments data since 1919: A basis for statistics |
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J. Aboudarham, C. Renié, LESIA, OV Paris Data Center, Observatoire de Paris, Meudon, France |
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From 1919 to 2002, Paris-Meudon Observatory published synoptic maps of the
Solar activity. Together with maps, tables were provided, containing some
information concerning at least filaments.
The board of Paris Observatory funded a data capture program concerning the 680 000
basic informations available in those tables.
On the other hand, in the frame of the FP7 European project HELIO, a Heliophysics
Feature Catalogue (HFC) has been developed, which contains also filaments data from
1996 up to now.
We now pool all these data in order to give access to a filaments database for
nearly a century of observations. This allows to make statistical studies of those
Solar features, and try to correlate them with other information such as sunspot
number, ... .
We present here the first results of such studies, showing long-term global behavior
of filaments. |
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