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For a number of years there has been a great demand for a high-density catalog of accurate stellar positions and proper motions that maintains a consistent system of reference over the entire sky....
Search relevance: 275.94 | Views last month: 8 | Catalog Last Checked: November 10, 2026 at 11:58 PM -
The Henry Draper (HD) Catalog (Cannon and Pickering 1918 - 1924, Ann. Astron. Obs. Harvard College 91 - 99) and its first extension, the Henry Draper Extension (HDE) Catalog (Cannon 1934, Ann....
Search relevance: 74.69 | Views last month: 30 | Catalog Last Checked: November 10, 2026 at 11:56 PM -
The Hipparcos and Tycho catalogs are the primary products of the European Space Agency's astrometric mission, Hipparcos. The satellite, which operated for four years, returned high quality...
Search relevance: 70.53 | Views last month: 29 | Catalog Last Checked: November 10, 2026 at 11:57 PM
