SIMBAD query result

Please have a look at the "Dictionary of Nomenclature"

Result of query: info cati MACS J2135-010217

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 [Class]      Acronym  (Explanation)   . . . . . . . . . in Simbad, use:
 [Star in...] MACS (Magellanic Catalog of Stars) . . =E= MACS JHHMM+DDd NNN
 [ClG]        MACS (Massive Cluster Survey)  . . . . =E= MCS JHHMM.m+DDMM
=E= indicates catalogues available in electronic form at CDS