These fields provide up to two of the identifiers: GL, GJ,
G, LHS, LTT, LP, L, BPM, CF, McC (according to this hierarchy).
Abbreviation, reference and format are given, for each catalogue, in Table I3
.
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The Meudon Hipparcos Input Catalogue Team
mer 16 nov 15:51:31 MET 1994
.
