Skip to main content
SpringerLink
Log in

Hα-Emission Doppler Tomography of Long-Period Cataclysmic Variable Stars

  • Chapter
  • First Online:
Book cover Astrotomography

Part of the book series: Lecture Notes in Physics ((LNP,volume 573))

Abstract

We present Doppler maps of Hα (6562.76Å) emission of 4 well-known dwarf novae, SS Cyg, AH Her, EM Cyg and V426 Oph. All 4 systems were in quiescence during our observations. All of them have visible mass donor stars allowing us to establish precise orbital phases. None of them show what is often thought of as the classic pattern of symmetric disc plus bright-spot at the gas stream/disc impact. Instead they have regions of emission at low velocities in the area below the point representing the velocity of the white dwarf. In addition, emission with a velocity consistent with an origin on the heated face of the mass donor can be seen. We consider possible explanations for these peculiar images.

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

Access this chapter

Log in via an institution
Chapter
USD 29.95
Price excludes VAT (USA)
  • Available as PDF
  • Read on any device
  • Instant download
  • Own it forever
eBook
USD 39.99
Price excludes VAT (USA)
  • Available as PDF
  • Read on any device
  • Instant download
  • Own it forever
Softcover Book
USD 54.99
Price excludes VAT (USA)
  • Compact, lightweight edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info
Hardcover Book
USD 54.99
Price excludes VAT (USA)
  • Durable hardcover edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info

Tax calculation will be finalised at checkout

Purchases are for personal use only

Institutional subscriptions

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. C. Hellier, D. O'Donoghue, D. Buckley, A. Norton, 1990, MNRAS, 242, P32

    Google Scholar 

  2. K. Horne, 1999, ‘Disk-Anchored Magnetic Propellers-A Cure for the SW Sex Syndrome’. In: Annapolis Workshop on Magnetic Cataclysmic Variables, 13–17 July 1998, ed. by C. Hellier, K. Mukai, (A.S.P. conference series Vol. 157), pp. 349–356

    Google Scholar 

  3. K. Horne, T.R. Marsh, 1986, MNRAS, 218, 761

    Google Scholar 

  4. T.R. Marsh, K. Horne, 1988, MNRAS, 235, 269

    Google Scholar 

  5. J.A. Mattei, 1997, Observations from the AAVSO international database, priv. comm.

    Google Scholar 

  6. R.C. North, T.R. Marsh, C.K.J. Moran, U. Kolb, R.C. Smith, R. Stehle, 2000, MNRAS, 313, 383

    Google Scholar 

  7. H. Ritter, U. Kolb, 1998, A&AS, 129, 83

    Google Scholar 

  8. D. Steeghs, K. Horne, T.R. Marsh, J.F. Donati, 1996, MNRAS, 281, 626

    Google Scholar 

  9. P. Szkody, 1986, ApJ, 301, L29

    Google Scholar 

  10. J. Tonry, M. Davis, 1979, AJ, 84, 1511 (1979)

    Article  ADS  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Department of Physics & Astronomy, University of Southampton, SO17 1BJ, Highfield, Southampton, UK

    R. C. North, T. R. Marsh & C. K. J. Moran

  2. Department of Physics, Open University, MK7 6AA, Milton Keynes, UK

    U. Kolb

  3. Astronomy Centre, University of Sussex, BN1 9QJ, Brighton, UK

    R.C. Smith

  4. Astronomy Group, University of Leicester, University Road, LE1 7RH, Leicester, UK

    R. Stehle

Authors
  1. R. C. North
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. T. R. Marsh
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. C. K. J. Moran
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. U. Kolb
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. R.C. Smith
    View author publications

    You can also search for this author in PubMed Google Scholar

  6. R. Stehle
    View author publications

    You can also search for this author in PubMed Google Scholar

Editor information

Editors and Affiliations

  1. Royal Observatory of Belgium, Avenue Circulaire, 3, 1180, Brussels, Belgium

    Henri M.J. Boffin  & Jan Cuypers  & 

  2. Department of Physics and Astronomy, University of Southampton, Highfield, SO17 1BJ, Southampton, UK

    Danny Steeghs

Rights and permissions

Reprints and permissions

Copyright information

© 2001 Springer-Verlag Berlin Heidelberg

About this chapter

Cite this chapter

North, R.C., Marsh, T.R., Moran, C.K.J., Kolb, U., Smith, R., Stehle, R. (2001). Hα-Emission Doppler Tomography of Long-Period Cataclysmic Variable Stars. In: Boffin, H.M., Cuypers, J., Steeghs, D. (eds) Astrotomography. Lecture Notes in Physics, vol 573. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45339-3_3

Download citation

  • DOI: https://doi.org/10.1007/3-540-45339-3_3

  • Published:

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-42213-6

  • Online ISBN: 978-3-540-45339-0

  • eBook Packages: Springer Book Archive

Publish with us

Policies and ethics

Search

Navigation