CDS.headStuff2 Dictionary of Nomenclature of Celestial Objects
(Last update: 22-Mar-2024)
Result of query: info cati OGLE BUL-SCNN NNNNNN$
.
.

Details on Acronym:   EWS
  
EWS (Early Warning System)= OGLE
Write:<<OGLE YYYY-AAA-NNN>>
<<OGLE YYYY-AAA-NNNN>>
Object:Microlensing Event  (SIMBAD class: LensingEv = (Micro)Lensing Event)