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E. Høg
The Tycho-2 Catalogue contains positions, proper motions and two-colour photometry of 2.5 million stars covering the entire sky. The astrometric data are given for epoch J2000.0 and on the system defined by the Hipparcos Catalogue (ICRS).
| Publisher | Copenhagen University Observatory |
|---|---|
| Format | [computer file] : |
| Search language | english |
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