Skip to main content
SpringerLink
Log in

Oscillatory behaviour in sunspot umbrae

  • Sun and Sun-Like Stars
  • Published:
Astrophysics and Space Science Aims and scope Submit manuscript

Abstract

Using a set of series of spectra of high spectral resoltion corresponding to the same umbra on several days, we have studied the oscillations related to evolution of the two main dark cores of it.

We have detected differences in the behaviour of each core and an evolution in the power spectra not related with the external appearance of the spot. A quite constant value of the ratio of power at five minutes over three minutes has been found.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  • Abdelatif, T. E., Lites, B. W., and Thomas, J. H.: 1984, in S. Keil (ed.),Proc. Symp. on Small Scale Dynamical Processes in Quiet Stellar Atmospheres, Nat. Solar Observatory Sacramento Peak, p. 141.

  • Balthasar, H. and Wiehr, E.: 1984,Solar Phys. 94, 99.

    Google Scholar 

  • Balthasar, H., Fangmeier, E., Küveler, G., and Wiehr, E.: 1986, in J. Christense-Dalsgaard and S. Frandsen (eds.), ‘Advances in Helio-and Astroseismology’,IAU Symp. 123.

  • Balthasar, H., Küveler, G., and Wiehr, E.: 1987,Solar Phys.,112, 37.

    Google Scholar 

  • Beckers, J. M. and Schultz, R. B.: 1972,Solar Phys. 27, 61.

    Google Scholar 

  • Groth, E. J.: 1972,Astrophys. J. Suppl. Ser. 29, 285.

    Google Scholar 

  • Lites, B. W. and Thomas, J. H.: 1985,Astrophys. J. 294, 682.

    Google Scholar 

  • Moore, R. L.: 1981, in L. E. Cram and J. H. Thomas (eds.)The Physics of Sunspots, Sacramento Peak Observatory, Sunspot, p. 259.

    Google Scholar 

  • Thomas, J. H.: 1981, in L. E. Cram and J. H. Thomas (eds.)The Physics of Sunspots, Sacramento Peak Observatory, Sunspot, p. 345.

    Google Scholar 

  • Scargle, J. D.: 1982,Astrophys. J. 263, 835.

    Google Scholar 

  • Schröter, E. H., and Soltaw, D.: 1976,Ann. Astrophys. 49, 463.

    Google Scholar 

  • Thomas, J. H., Cram, L. E., and Nye, A. H.: 1982,Nature,297, 485.

    Google Scholar 

  • Thomas, J. H., Lites, B. W., Gurman, J. B., and Ladd, E. F.: 1987,Astrophys. J. 312, 457.

    Google Scholar 

  • Žugžda, Y. D., Staude, J., and Locāns, V.: 1984,Solar Phys. 91, 219.

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Instituto de Astrofisica de Canarias, La Laguna, Tenerife, Spain

    M. A. Aballe Villero, J. I. García de la Rosa & M. Vázquez

  2. Dept. Matemàtica Aplicada i Astronomia, Univ. de Valencia, Burjassot, Valencia, Spain

    E. Marco

Authors
  1. M. A. Aballe Villero
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. J. I. García de la Rosa
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. E. Marco
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. M. Vázquez
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Aballe Villero, M.A., de la Rosa, J.I.G., Marco, E. et al. Oscillatory behaviour in sunspot umbrae. Astrophys Space Sci 170, 121–126 (1990). https://doi.org/10.1007/BF00652657

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF00652657

Keywords

Search

Navigation