Table 5.
System parameters from in the light-curve modelling of CzeV404 Her in quiescence.
| Fixed parameters: | ||
|---|---|---|
| Porb | 8469.04 s | |
| E(B − V) | 0.16(3) | |
| Distance | 340(6) pc | |
| Variable and their best values: | ||
| i | 78 8(4) |
|
| MWD | 1.00(2) M⊙ | |
| TWD | 17 000(5000) K | |
| Ṁ | 2.03(3)×10−11 M⊙ year−1 | |
| T2 | 4100(50) K | |
| Parameters of the disk: | ||
| Rd, in | 0.008 R⊙ | |
| Rd, out | 0.47(2) R⊙ | |
| hd, out | 0.024(5) R⊙ | |
| The hot spot/line: | Q | S |
| Length spot (φmin + φmax) | 111 0(5) |
28 0(5) |
| Width spot (%) | 5.0(2.5) | 0.0(1) |
| Temp. excess spot (Ts, max/Td, out) | 2.9 | 8.5 |
| Shift spot (φmin) | −21 9(7) |
−10 0(4) |
| Shift Ts, max (φ(Ts, max)) | −12 5(2) |
−2 3(1.0) |
| Calculated: | ||
| a | 0.94 R⊙ | |
| q | 0.159 | |
| M2 | 0.158 M⊙ | |
| R2 | 0.221 R⊙ | |
| RWD | 0.008 R⊙ | |
Notes. Numbers in brackets for the variables are uncertainties defined as the interval in which the χ2-function increases twice compared with the minimum value. The distance and E(B − V) are given with 1σ errors. The letters “Q” and “S” mark quiescence and the superoutburst parameters of the hot spot or line, respectively.
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