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Table 4
One-planet Keplerian and a coplanar edge-on two-planet dynamical best-fit parameters for GJ 1148 based on the combined CARMENES and HIRES literature RVs.
| One-planet | Two-planet | |||||||
| Keplerian fit | dynamical fit | |||||||
|
|
|
|||||||
| Orb. param. | GJ 1148 b | GJ 1148 b | GJ 1148 c | |||||
|
|
||||||||
| K [m s-1] | 37.02 |
38.37 |
11.34 |
|||||
| P [d] | 41.382 |
41.380 |
532.58 |
|||||
| e | 0.392 |
0.380 |
0.342 |
|||||
| ϖ [deg] | 253.6 |
258.1 |
210.4 |
|||||
| M [deg] | 303.9 |
299.0 |
272.6 |
|||||
| a [au] | 0.166 |
0.166 |
0.912 |
|||||
| mpsini [M⊕] | 92.77 |
96.70 |
68.06 |
|||||
| γHIRES [m s-1] | 2.89 |
1.78 |
||||||
| γCARM. [m s-1] | −30.36 |
−34.92 |
||||||
| rms [m s-1 ] | 7.05 | 3.71 | ||||||
| rmsHIRES [m s-1 ] | 8.62 | 4.59 | ||||||
| rmsCARM. [m s-1 ] | 4.49 | 2.23 | ||||||
|
11.05 | 2.97 | ||||||
| Valid for | ||||||||
| T0 [JD-2 450 000] | 1581.046 | |||||||
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