SIMBAD query result

Please have a look at the "Dictionary of Nomenclature"

Result of query: info cati SLN74] 1905

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 [Class]      Acronym  (Explanation)   . . . . . . . . . in Simbad, use:
 [Star]       [SLN74] (Sundman+Loden+Nordstrom 1974) =E= [SLN74] NNNN
                                                      or [SLN74] {A}NN
=E= indicates catalogues available in electronic form at CDS