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Table 1
Spica parameters.
| Parameter | Literature | This paper |
|
|
||
| P/days | 4.0145971 | 4.014597 (fixed) |
| T0/JD | 2 440 678.091 | 2 440 678.09 (fixed) |
| e | 0.1461 | 0.108 ± 0.014 (s.d.)8 |
| 0.125 ± 0.0169 | ||
| i/deg | 66 ± 21 | 66 (fixed) |
| ωper/deg at T0 | 138 ± 151 | 142 (interpolated) |
| U/yr | 124 ± 111 | 117.9 ± 1.8 |
| 118.9 ± 1.36 | .... | |
| v0/km s-1 for m1 | 0 ± 24 | .... |
| v0/km s-1 for m2 | 2 ± 34 | .... |
| v0/km s-1 | .... | 0.0 ± 3.1 (s.d.) |
| K1/km s-1 | 124 ± 44 | 121.1 ± 2.8 |
| K2/km s-1 | l97 ± 84 | 189.8 ± 2.7 |
| m1/m2 | 1.60 ± 0.31 | 1.55 ± 0.09 (s.d.) |
| 1.59 ± 0.034 | .... | |
| m 1 / M ⊙ | 10.9 ± 0.91 | 10.0 ± 0.3(s.d.) |
| m 2 / M ⊙ | 6.8 ± 0.71 | 6.4 ± 0.2 (s.d.) |
| R1 (R⊙) | 8.1 ± 0.51 | .... |
| 7.6 ± 0.27 | .... | |
| 6.845 | .... | |
| R2 (R⊙) | 3.645 | .... |
| v1sini/km s-1 | 161 ± 22 | .... |
| v2sini/km s-1 | 70 ± 53 | .... |
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