Hostname: page-component-586b7cd67f-dsjbd Total loading time: 0 Render date: 2024-11-25T17:12:24.870Z Has data issue: false hasContentIssue false
  • English
  • Français

The Role of Interstellar Scintillation in Intraday Variations at Centimetre Wavelengths

Published online by Cambridge University Press:  05 March 2013

Barney Rickett
Barney Rickett*
Affiliation:
University of California San Diego, La Jolla, CA92093, USA; [email protected]
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

The evidence in support of interstellar scintillation as the predominant cause of intraday variations at centimetre wavelengths is reviewed. A new evaluation of the highest brightness temperature implied for AGN is found to be consistent with the Doppler factors in typical jet models, but requires the scattering to occur within about 30 pc of the Earth.

Keywords

galaxies: nucleigalaxies: jetsradio continuum: galaxiesscatteringISM: general
Type
Research Article
Information
Publications of the Astronomical Society of Australia , Volume 19 , Issue 1 , 2002 , pp. 100 - 105
Copyright
Copyright © Astronomical Society of Australia 2002

References

Armstrong, J. W., Rickett, B. J., & Spangler, S. R. 1995, ApJ, 443, 209 Google Scholar
Bignall, H. E., et al. 2002, PASA, 19, 23 Google Scholar
Dennett-Thorpe, J., & de Bruyn, A. G. 2000, ApJ, 529, L65 Google Scholar
Dennett-Thorpe, J., & de Bruyn, A. G. 2001, Ap&SS, 278, 101 Google Scholar
Fiedler, R., Dennison, B., Johnston, K., Waltman, E., & Simon, R. 1994, ApJ, 430, 581 Google Scholar
Frail, D. A., Kulkarni, S. R., Nicastro, L., Feroci, M., & Taylor, G. B. 1997, Nature, 389, 261 Google Scholar
Fuhrmann, L., et al. 2002, PASA, 19, 64 Google Scholar
Gabuzda, D. C. 2002, PASA, 19, in pressGoogle Scholar
Gabuzda, D. C., Wardle, J. F. C., & Roberts, D. H. 1989, ApJ, 338, 743 CrossRefGoogle Scholar
Gabuzda, D. C., Kochenov, P. Yu., Cawthorne, T. V., & Kollgard, R. I. 2000a, MNRAS, 313, 627 Google Scholar
Gabuzda, D. C., Kochenov, P. Yu., & Cawthorne, T. V. 2000b, MNRAS, 319, 1125 Google Scholar
Heeschen, D. S., Krichbaum, T. P., Schalinski, C. A., & Witzel, A. 1987, AJ, 94, 1493 Google Scholar
Hunstead, R. W. 1972, ApL, 12, 193 Google Scholar
Jauncey, D. L. 2002, private communicationGoogle Scholar
Jauncey, D. L., & Macquart, J.-P. 2001, A&A, 370, L9 Google Scholar
Krichbaum, T. P., Kraus, A., Fuhrmann, L., Cimò, G., & Witzel, A. 2002, PASA, 19, 14 Google Scholar
Kedziora-Chudczer, L., Jauncey, D. L., Wieringa, M. H., Walker, M. A., Nicholson, G. D., Reynolds, J. E., & Tzioumis, A. K. 1997, ApJ, 490, L9 Google Scholar
Narayan, R. 1992, Phil. Trans. R. Soc. London A, 341, 151 Google Scholar
Qian, S. J., Quirrenbach, A., Witzel, A., Krichbaum, T. P., Hummel, C. A., & Zensus, A. 1991, A&A, 241, 15 Google Scholar
Qian, S. J., Witzel, A., Kraus, A., Krichbaum, T. P., & Zensus, A. 2001, A&A, 367, 770 Google Scholar
Quirrenbach, A., Witzel, A., Krichbaum, T. P., Hummel, C. A., Alberdi, A., & Schalinski, C. J. 1989, Nature, 337, 442 Google Scholar
Quirrenbach, A., et al. 1991, ApJ, 372, L71 Google Scholar
Quirrenbach, A., et al. 2000, A&AS, 141, 2212 Google Scholar
Rickett, B. J. 1986, ApJ, 307, 564 Google Scholar
Rickett, B. J. 1990, ARA&A, 28, 561 Google Scholar
Rickett, B. J., Quirrenbach, A., Wegner, R., Krichbaum, T. P., & Witzel, A. 1995, A&A, 293, 479 Google Scholar
Rickett, B. J., Witzel, A., Kraus, A., Krichbaum, T. P., & Qian, S. J. 2001, ApJ, 550, L11 Google Scholar
Taylor, J. H., & Cordes, J. M. 1993, ApJ, 411, 674 (TC93)Google Scholar