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The STACC 1998 Campaign on Praesepe: The Spectroscopy

Published online by Cambridge University Press:  12 April 2016

Thomas H. Dall
Thomas H. Dall*
Affiliation:
Institute of Physics and Astronomy, Aarhus University, Denmark

Abstract

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The STACC campaign of 1998 on BN Cnc was an extensive international photometric campaign aimed at obtaining accurate frequencies of the pulsations in this star. To facilitate identification of the modes, parallel spectroscopic observations were made from six observatories around the world. I here present preliminary results from the spectroscopy made from the Nordic Optical Telescope. The accurate frequencies from the photometric campaign are used to obtain accurate amplitudes of the equivalent width variations. These results are to be used in an attempt to identify the pulsation modes in this star.

Type
Part 6. Variables Close to the Main Sequence
Information
International Astronomical Union Colloquium , Volume 176: The Impact of Large-Scale Surveys on Pulsating Star Research , 2000 , pp. 471 - 472
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

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Viskum, M., Kjeldsen, H., Bedding, T.R., Dall, T.H., Baldry, I.K., Bruntt, H., & Frandsen, S. 1998, A&A, 335, 549 Google Scholar