SIMBAD query result

Please have a look at the "Dictionary of Nomenclature"

Result of query: info cati SOPS Ig-16

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 [Class]      Acronym  (Explanation)   . . . . . . . . . in Simbad, use:
 [Star]       SOPS (Southern Objective Prism Survey) . . SOPS R a-NNN
                                                      or SOPS R NN
 [?]          Sto (Stock+) . . . . . . . . . . . . . . . SOPS R a-NNN