<b>Field 33</b>: Source of the spectral type data

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Field 33: Source of the spectral type data

The spectral type and luminosity class information in the Hipparcos Input Catalogue is derived from a variety of sources. The correspondence between the letters used in field 33 and the source of the data, along with the number of stars whose data was taken from this source, is given in Table B3 gif.



The Meudon Hipparcos Input Catalogue Team
mer 16 nov 15:51:31 MET 1994