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Table · dataset · 1998

NGC 1817 and NGC 1807 proper motions

Listed in IVOA Registry (Virtual Observatory)

Relative proper motions, their corresponding errors and membership probabilities of 722 stars in the open cluster NGC 1817 region are given.

Description

Equatorial coordinates were computed using Tycho Catalog (Cat. <I/239>) as reference stars. Forty stars from this catalog are in the region under study.

The cross-identification of this 40 stars are given as notes. Only 15 stars were found in this region from the PPM Catalog (Cat. <I/146>), and their respective identification is also included in the note5.dat file.

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Astronomical sciences 75%
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