SIMBAD query result

Please have a look at the "Dictionary of Nomenclature"

Result of query: info cati AT 2017dgg

.

 [Class]      Acronym  (Explanation)   . . . . . . . . . in Simbad, use:
 [Transient]  AT (Astronomical Transient)  . . . . . . . AT YYYYA
                                                      or AT YYYYaa
                                                      or AT YYYYaaa
                                                      or AT YYYYaaaa
 [X]          AT (Ariel Transient) . . . . . . . . . . . AT HHMM+DDd
 [Radio]      AT (ATCA)  . . . . . . . . . . . . . . =E= [SRE2006] JHHMM+DDMM
              Cl* IC 4651 AT (Anthony-Twarog+) . . . . . Cl* IC 4651 AMC {I}-NNN
                                                      or Cl* IC 4651 AMC {III}-NNN
                                                      or Cl* IC 4651 AMC {III}-NNNN
 [*inCl]      Cl* IC 4651 AT (Anthony-Twarog+Twarog) . . Cl* IC 4651 AT {1}-NNN
                                                      or Cl* IC 4651 AT {2}-NN
 [*inCl]      Cl* NGC 1866 AT (Arp+Thackeray)  . . . =E= Cl* NGC 1866 AT A
                                                      or Cl* NGC 1866 AT a
                                                      or Cl* NGC 1866 AT R-N-NN
=E= indicates catalogues available in electronic form at CDS