Spiral shocks and Doppler tomography of the eclipsing CVs EX Dra and V347 Pup

Details Spiral shocks and Doppler tomography of the eclipsing CVs EX Dra and V347 Pup Spiral shocks and Doppler tomography of the eclipsing CVs EX Dra and V347 Pup

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aspc..330..395p&link_type=abstract

The Astrophysics of Cataclysmic Variables and Related Objects, Proceedings of ASP Conference Vol. 330. Edited by J.-M. Hameury a

Astronomy and Astrophysics

Astrophysics

2

Scientific paper

We resolve the spiral waves in the accretion disc of the eclipsing dwarf nova, EX Dra, and the eclipsing novalike, V347 Pup, using Doppler tomography. Time-resolved spectroscopy, using the 3.5m telescope at Calar Alto, of EX Draconis, during its 2000 July outburst shows strong spiral waves in the accretion disc in both Balmer and He I lines. NTT spectra of V347 Pup show more clearly the spiral waves in the He I emission lines.

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