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Hipparcos observation intervals
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- Title Hipparcos observation intervals
- Released 01/01/1998 12:00 am
- Copyright ESA
- Description
The typical duration between the first and last observations of each star by Hipparcos, in ecliptic coordinates. The features are a direct consequence of the scanning law, mission duration and observation interruptions. (From the Hipparcos and Tycho Catalogues, ESA SP-1200 - volume 1.) [Image Date: 01-04-97] [97.05.003-001]