VizieR Online Data Catalog: NGC 1817 proper motions and membership (Balaguer-Nunez+, 2004)

Absolute proper motions, their errors and membership probabilities of 810 stars in the area of two NGC objects, NGC 1817 and NGC 1807. The Tycho-2 Catalogue is used as the reference frame, and the cross-identification is given. Parametric and non parametric membership probabilities are compared based on there being only one very extended physical cluster: NGC 1817.

(1 data file).