Arcetri Technical Report 7/2018

The SGOP Project

C.Baffa, E.Giani, E.Pancino

INAF Osservatorio Astrofisico di Arcetri

Abstract

The large amount of astrometric data available with the publication of Gaia catalogs 1 and 2 permits statistical analysis previously impossible. We seek a new way to explore this wealth by the use of the empirical concept the Star Group with Observational Peculiarity (SGOP). The concept of SGOP, in our opinion, can be a useful tool to explore the path connecting the large Gaia database to a catalog of star association candidates, selected on objective observational properties basis .

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