Searches for rapid line profile variations of two pulsating CP2 stars: HD 128898 and HD 201601

  • H. Schneider
  • W. W. Weiss
  • T. J. Kreidl
  • A. P. Odell
Delta Scuti Pulsations
Part of the Lecture Notes in Physics book series (LNP, volume 274)


Neither for Equ nor for αCir was clear positive evidence present for spectral variations which could be attributed to non-radial pulsation. However, our instrumentation was just at the limit of what would be required for a detection of the subtle effects which can be expected for the pulsating CP2 stars. A spectral resolution at least twice as high as that presently used should be attempted for future investigations, as well as a considerable improvement of the SIN ratio of the individual spectra. Obviously, telescopes of the 3 m class and larger are required for such observations, even if the program stars are very bright.


Individual Spectrum Program Star European Southern Observatory Radial Velocity Variation 50cm Telescope 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag 1987

Authors and Affiliations

  • H. Schneider
    • 1
  • W. W. Weiss
    • 2
  • T. J. Kreidl
    • 3
  • A. P. Odell
    • 4
  1. 1.Universitätssternwarte GöttingenGöttingenGermany
  2. 2.Institut für AstronomieViennaAustria
  3. 3.Lowell ObservatoryFlagstaff
  4. 4.Dept. of Physics and AstronomyNorthern Arizona UniversityFlagstaffUSA

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