SIMBAD query result

Please have a look at the "Dictionary of Nomenclature"

Result of query: info cati EWS+2005-BLG-390

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 [Class]      Acronym  (Explanation)   . . . . . . . . . in Simbad, use:
 [LensingEv in...] EWS (Early Warning System)  . . . =E= OGLE YYYY-AAA-NNN
                                                      or OGLE YYYY-AAA-NNNN
=E= indicates catalogues available in electronic form at CDS