Stars in the Hipparcos Catalogue, surveyed by Hipparcos, are given HIP numbers.
Help keep this category in order. Modify [[Category:Hipparcos objects]] to [[Category:Hipparcos objects|NNNNNN]] on pages that categorize here, where "NNNNNN" is the number without the "HIP" prefix. The number should be padded with zeroes on the left until it is six digits long.
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