Astrophysics and Space Science

, Volume 122, Issue 1, pp 173–176 | Cite as

Spectral types fromuvbyβ photometry

Letter to the editor
  • Terry Moon
Article
  • 17 Downloads

Abstract

New diagrams are presented for the assimilation of MK spectral types withuvbyβ photometry, based upon reddening-free parameters calculated using revised reddening ratios and recently published values of meanuvby colours and β indices for a selection of MK spectral types.

Keywords

Colour Assimilation Spectral Type Redden Ratio 

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References

  1. Crawford, D. L. and Mandwewala, N.: 1976,Publ. Astron. Soc. Pacific 88, 917.Google Scholar
  2. Heck, A.: 1983, in R. F. Garrison (ed.),The MK Process and Stellar Classification, David Dunlap Observatory, University of Toronto, Canada, p. 222.Google Scholar
  3. Kilkenny, D. and Whittet, D. C. B.: 1985,Monthly Notices Roy. Astron. Soc. 216, 127.Google Scholar
  4. Moon, T. T.: 1985,Astrophys. Space Sci., in press.Google Scholar
  5. Oblak, E., Considère, S., and Chareton, M.: 1976,Astron. Astrophys. Suppl. 24, 69.Google Scholar
  6. Strömgren, B.: 1966,Ann. Rev. Astron. Astrophys. 4, 433.Google Scholar

Copyright information

© D. Reidel Publishing Company 1986

Authors and Affiliations

  • Terry Moon
    • 1
  1. 1.Department of Physics and AstronomyUniversity College LondonEngland

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