Published in
American Astronomical Society, Astronomical Journal, 5(123), p. 2754-2771, 2002
DOI: 10.1086/339831
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A New Spectral Classification System for the Earliest O Stars: Definition of Type O2
Journal article published in 2002 by
Nolan R. Walborn,
Ian D. Howarth,
Daniel J. Lennon,
Philip Massey,
M. S. Oey,
Anthony F. J. Moffat,
Gwen Skalkowski,
Nidia I. Morrell,
Laurent Drissen,
Joel W.-M. Parker 
This paper was not found in any repository, but could be made available legally by the author.
Full text: Unavailable
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