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Table 1

Parameters of the individual rings of the SS Cyg disc model.

Ring Teff [K]  [M / yr] r [cm]  τRos Re h [cm] 

1 13 391 1 × 10-11 1 × 109 104 3 × 104 2.74 × 107
2 9931 1 × 10-11 2 × 109 125 3 × 104 5.41 × 107
3 6258 1 × 10-11 4 × 109 1.765 3 × 104 1.14 × 108
4 4615 1 × 10-11 6 × 109 0.360 3 × 104 1.85 × 108
5 4826 5 × 10-11 1 × 1010 0.483 3 × 104 3.43 × 108
6 4463 3 × 10-10 2 × 1010 0.312 5 × 103 9.58 × 108
7 4379 1 × 10-9 3 × 1010 0.377 1 × 104 1.46 × 109
8 4106 2 × 10-9 4 × 1010 0.287 1 × 104 2.10 × 109

Notes. Values of effective temperature Teff, mass accretion rate , distance r from the white dwarf centre, the total Rosseland optical depth τRos, and Reynolds number Re. The vertical thickness h of the rings measured from the disc midplane is written in the last column.

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