SIMBAD query result

Please have a look at the "Dictionary of Nomenclature"

Result of query: info cati HD 211998 AB

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 [Class]      Acronym  (Explanation)   . . . . . . . . . in Simbad, use:
 [Star]       HD (H. Draper) . . . . . . . . . . . . =E= HD NNNNNN
                                                      or HD NNNNNNA
                                                      or HD NNNNNNAA
                                                      or HD NNN NNN       (L)
                                                      or HD NNN NNNA      (L)
                                                      or HD NNN NNNAA     (L)
 [Planet]     HD (H. Draper) . . . . . . . . . . . . . . HD NNNNNNa
                                                      or HD NNNNNNAa
                                                      or HD NNN NNNa      (L)
                                                      or HD NNN NNNAa     (L)
 [Star]       HDE (H. Draper Extension)  . . . . . . =E= HD NNNNNN
 [*inCl]      Cl* NGC 2527 HD (Hilditch+Dodd)  . . . . . Cl* NGC 2527 HD NN
 [*inCl]      Cl* Ruprecht 55 HD (Hilditch+Dodd) . . . . Cl* Ruprecht 55 HD NN
=E= indicates catalogues available in electronic form at CDS
(L) following the Usage indicates a 'format' found later in the literature,
    which is not recognized by SIMBAD.