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X-Ray Astronomy in the Exosat Era

Proceedings of the XVIII ESLAB Sysmposium, held in The Hague, The Netherlands, 5–9 November 1984

  • Conference proceedings
  • © 1985

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Editors:
  1. A. Peacock

    1. Space Science Department of the European Space Agency, ESTEC, The Netherlands

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Table of contents (100 papers)

  1. Front Matter

    Pages i-xi
    Download chapter PDF

  2. Galactic X-Ray Astronomy

    1. Front Matter

      Pages 1-1
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    2. Stellar Coronae and Isolated White Dwarfs

      1. Magnetic Activity in Cool Stars
        • C. J. Schrijver
        Pages 3-24
      2. An Exosat Observation of the Morphology of the Coronal X-Ray Emission from Algol
        • N. E. White, J. L. Culhane, A. N. Parmar, B. Kellett, S. Kahn, G. H. J. van den Oord et al.
        Pages 25-33
      3. Observation of an X-Ray Outburst and Quiescent Emission from the Rs CVn Binary HR1099
        • M. A. Barstow
        Pages 35-41
      4. Exosat Observations of Late-Type Stars: The Application of Coronal Loop Models
        • M. Landini, B. C. Monsignori-Fossi, R. Pallavicini
        Pages 43-49
      5. X-Ray Observations of Active Chromosphere Stars
        • D. K. Bedford, K. H. Elliott, C. J. Eyles
        Pages 51-54
      6. Exosat Observations of the Contact Binary VW Cephei
        • Osmi Vilhu, John Heise
        Pages 55-62
      7. The Extremely X-Ray Bright Wolf-Rayet Star Hd193793
        • A. M. T. Pollock
        Pages 63-67
      8. EXOSAT Observations of M Dwarfs
        • J. H. M. M. Schmitt, M. Sztajno
        Pages 69-72
      9. Exosat Observations of Active Stellar Coronae in the Cygnus Loop, T Tau & NGC 2264 Regions
        • P. A. Charles, R. H. D. Corbet, K. Mukai, A. P. Smale, S. M. Kahn, L. V. Kuhi et al.
        Pages 73-78
      10. X-Ray Emission from Isolated Hot White Dwarfs
        • John Heise
        Pages 79-90
      11. X-Ray and Optical Variability at the Hour Timescale for 1E 0630+178 (Geminga) and its Proposed Optical Couterpart
        • L. Vigroux, J. A. Paul, P. Delache, G. F. Bignami, P. A. Caraveo, L. Salotti
        Pages 91-97

    3. Cataclysmic Variables

      1. X-Ray Emission from Cataclysmic Variables
        • K. O. Mason
        Pages 99-115
      2. Hard X-Ray Observations of the Eclipsing Binary EX Hydrae
        • K. Beuermann, J. Osborne
        Pages 117-120
      3. 2AO526-328: The White Dwarf Rotation Period Revealed
        • J. Schrijver, A. C. Brinkman, H. van der Woerd, M. G. Watson, A. R. King, J. van Paradijs et al.
        Pages 121-126
      4. SS CYGNI in Outburst and Quiescence
        • M. G. Watson, A. R. King, J. Heise
        Pages 127-133
      5. Exosat/Optical, Observations of the AM Her Star H0139-68
        • K. Beuermann, A. Schwope, H. Weissieker, C. Motch
        Pages 135-138
      6. X-Ray Variability of the Am Her Star CW1103+254
        • K. Beuermann, L. Stella
        Pages 139-141
      7. New Exosat Results from the Intermediate Polar V1223 SGR
        • J. P. Osborne, R. Rosen, K. O. Mason, K. Beuermann
        Pages 143-149
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Keywords

About this book

Algol is a triple system containing a 70 hr eclipsing binary (K IV and B8 V) in a 694 day orbit with an A V star. The X-ray emission from this system (Schnopper et al 1976) is thought to be associated with a corona surrounding the lobe filling and synchron­ ously rotating K IV star. This is based on the similarity of the X-ray spectrum and luminosity of this system to that of the RS CVn binaries which also contain K sub-giants with similar rotation periods and the fact that the luminosity of any coronae surrounding the B8 V and AV companion stars should not be enhanced by rapid rotation (Pallavicini et al 1980, White et al 1980). The Einstein SSS measurement showed the X-ray spectrum to be two component with 6 7 temperatures of 7. 10 K and 3. 10 K (White et al. 1980). As dis­ cussed by Swank et al. (1981), the problem in understanding stellar coronae in general is how to scale up the solar model to account for the enhanced luminosities. The close to 900 inclination and similar sizes for the Band K stars of 3. 6 and 3. 8 R0 respectively make Algol an ideal candidate for an X-ray eclipse measurement wherein the size of the X-ray emitting coronal structures can be directly measured. In this paper we report a continuous observation through the secondary eclipse of Algol using the EXOSAT Observatory. 2.

Editors and Affiliations

  • Space Science Department of the European Space Agency, ESTEC, The Netherlands

    A. Peacock

Bibliographic Information

  • Book Title: X-Ray Astronomy in the Exosat Era

  • Book Subtitle: Proceedings of the XVIII ESLAB Sysmposium, held in The Hague, The Netherlands, 5–9 November 1984

  • Editors: A. Peacock

  • DOI: https://doi.org/10.1007/978-94-009-5448-9

  • Publisher: Springer Dordrecht

  • eBook Packages: Springer Book Archive

  • Copyright Information: D. Reidel Publishing Company, Dordrecht, Holland 1985

  • Softcover ISBN: 978-94-010-8906-7Published: 02 October 2011

  • eBook ISBN: 978-94-009-5448-9Published: 06 December 2012

  • Edition Number: 1

  • Number of Pages: XII, 738

  • Topics: Astronomy, Observations and Techniques

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