Dictionary of Nomenclature of Celestial Objects

 of    classes B and A whose spectra have bright hydrogen lines.
oTable 1: <Em* MWC NNN> (Nos 417-666)
 Auth.:MERRILL P.W.+
   Ref:=1949ApJ...110..387M
     byMERRILL P.W.
, BURWELL C.G.
 Astrophys. J., 110, 387-419 (1949)

    Second supplement to the Mount Wilson catalogue and bibliography of
    stars of classes B and A whose spectra have bright hydrogen lines.
o(note to table 1: MWC 683 HD 236611, not 237011)
oTable 1: <Em* MWC NNNN> (Nos 667-1088)

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