Journal of Astrophysics and Astronomy

, Volume 10, Issue 2, pp 183–196 | Cite as

Giant CP Stars?

  • L. O. Lodén
  • A. Sundman


This study is part of an investigation of the possibility of using chemically peculiar (CP) stars to map local galactic structure. Correct luminosities of these stars are therefore crucial. CP stars are generally regarded as main-sequence or near-main-sequence objects. However, some CP stars have been classified as giants.

A selection of stars, classified in literature as CP giants, are compared to normal stars in the same effective temperature interval and to ordinary ‘non giant’ CP stars. We find no clear confirmation of a higher luminosity for ‘CP giants’, than for CP stars in general. In addition, CP characteristics seem to be individual properties not repeated in a component star or other cluster members.

Key words

spectral classification stars, chemically peculiar 


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Copyright information

© Indian Academy of Sciences 1989

Authors and Affiliations

  • L. O. Lodén
    • 1
  • A. Sundman
    • 2
  1. 1.Astronomiska ObservatorietUppsalaSweden
  2. 2.Stockholms ObservatoriumSaltsjöbadenSweden

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