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High spectral and time resolution observations of the eclipsing polar RX J0719.2+6557 by Tovmassian, G. H.; Szkody, P.; Greiner, J.; Vrielmann, S.; Kroll, P.; Howell, S.; Saxton, R.; Ciardi, D.; Mason, P. A.; Hastings, N. C. is a scholarly article available to read on EtoBox.

What is High spectral and time resolution observations of the eclipsing polar RX J0719.2+6557 about?

We present phase-resolved spectral and multicolor CCD-photometric observations of the eclipsing polar RX J0719.2+6557 obtained with relatively high time (~600 sec/15 sec) and spectral (2.1 A) resolution when the system was in a high accretion state. The trailed spectrograms clearly reveal the presence of three different line components with different width and radial velocity variation. We were able to resolve all three components by line deblending, and by means of Doppler tomography were able to unambiguously identify the emission components with the secondary star, the ballistic part of the accretion stream and the magnetically funnelled part of the stream. The light curves and eclipse profiles provide additional information about the system geometry.

Author

Tovmassian, G. H.; Szkody, P.; Greiner, J.; Vrielmann, S.; Kroll, P.; Howell, S.; Saxton, R.; Ciardi, D.; Mason, P. A.; Hastings, N. C.

Published

1998

Language

EN