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Two Dimensional Spectral Classification of Early Type Stars by Narrow Band Photometry*

  • M. Gerbaldi (a1) and N. Morguleff (a1)

Abstract

Spectrophotometry data of 775 early type stars in a narrow band photometric system are analyzed, looking for the best parameters for a two dimensional spectral classification in the spectral region 3575 Å - 6000 Å. A correlation is established with the MK classification. The statistical technique of Principal Componant Analysis is applied to determine the number of linearly independent parameters among the data.

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Copyright

Footnotes

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*

The observations have been made at the Observatoire de Haute-Provence

Footnotes

References

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Kennedy, P.M. (1971). MK classification extension, C.D.S.S.
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Mihalas, D. (1966). Astrophys. J. Suppl. Ser. 13, 1.
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Morgan, W.W. and Keenan, P.C. (1973). Annual Review, 11, 29.
Oblak, E., Considere, S. and Chareton, M. (1976). Astron. Astrophys. Suppl. 24, 69.

Two Dimensional Spectral Classification of Early Type Stars by Narrow Band Photometry*

  • M. Gerbaldi (a1) and N. Morguleff (a1)

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