Table B.1
Priors used for TOI-1468 b and c in the joint fit with juliet.
| Parametera | Prior | Unit | Description |
|---|---|---|---|
| Stellar and planetary parameters | |||
| ρ* | U(11.0,13.0) | g cm−3 | Stellar density |
| Pb | N (1.880,0.002) | d | Period of planet b |
| t0,b | N (2458765.681,0.001) | d | Time of transit center of planet b |
| r1,b | U(0,1) | … | Parameterization for p and b |
| r2,b | U(0,1) | … | Parameterization for p and b |
| Kb | U(0,10) | m s−1 | RV semi-amplitude of planet b |
| eb | 0.0 (fixed) | … | Orbital eccentricity of planet b |
| ωb | 90.0 (fixed) | deg | Periastron angle of planet b |
| Pc | N (15.538,0.005) | d | Period of planet c |
| t0,c | N(2458766.9236, 0.004) | d | Time of transit center of planet c |
| r1,c | U(0,1) | … | Parameterization for p and b |
| r2,c | U(0,1) | … | Parameterization for p and b |
| Kc | U(0,10) | m s−1 | RV semi-amplitude of planet c |
| ec | 0.0 (fixed) | … | Orbital eccentricity of planet b |
| ωc | 90.0 (fixed) | deg | Periastron angle of planet c |
| Photometry parameters | |||
| DTESS 17,42,43 | 1.0 (fixed) | … | Dilution factor for TESS sectors 17, 42, 43 |
| MTESS17,42,43 | N(0, 0.1) | … | Relative flux offset for TESS sectors 17,42, 43 |
| σTESS 17,42,43 | LU(10-3,104) | ppm | Extra jitter term for sectors TESS 17,42, 43 |
| q1,TESS17,42,43 | U(0,1) | … | Limb-darkening parameterization for TESS sectors 17, 42, 43 |
| q2,TESS 17,42,43 | U(0,1) | … | Limb-darkening parameterization for TESS sectors 17, 42, 43 |
| DLCO–SSO | 1.0 (fixed) | … | Dilution factor for LCO-SSO |
| MLCO–SSO | N(0, 0.1) | … | Relative flux offset for LCO-SSO |
| σLCO-SSO | LU(10-3,104) | ppm | Extra jitter term for LCO-SSO |
| q1,LCO-SSO | U(0,1) | … | Limb-darkening parameterization for LCO-SSO |
| DLCO-SAAO | 1.0 (fixed) | … | Dilution factor for LCO-SAAO |
| MLCO-SAAO | N(0, 0.1) | … | Relative flux offset for LCO-SAAO |
| σLCO-SAAO | LU(10-3,104) | ppm | Extra jitter term for LCO-SAAO |
| q1,LCO-SAAO | U(0,1) | … | Limb-darkening parameterization for LCO-SAAO |
| DLCO-McD | 1.0 (fixed) | … | Dilution factor for LCO-McD |
| MLCO-McD | N(0, 0.1) | … | Relative flux offset for LCO-McD |
| σLCO-McD | LU(10-3,104) | ppm | Extra jitter term for LCO-McD |
| q1,LCO-McD | U(0,1) | … | Limb-darkening parameterization for LCO-McD |
| DSO-KUIPER | 1.0 (fixed) | … | Dilution factor for SO-KUIPER |
| MSO-KUIPER | N(0, 0.1) | … | Relative flux offset for SO-KUIPER |
| σSO-KUIPER | LU(10-3,104) | ppm | Extra jitter term for SO-KUIPER |
| q1,SO-KUIPER | U(0,1) | … | Limb-darkening parameterization for SO-KUIPER |
| RV parameters | |||
| µCARMENES | N (-10,10) | m s−1 | RV zero point for CARMENES |
| σCARMENES | LU(0.01,10) | m s−1 | Extra jitter term for CARMENES |
| µMAROON-X,Blue,1 | N (-10,10) | m s−1 | RV zero point for MAROON-X Blue 1b |
| σMAROON-X,Blue, 1 | LU(0.01,10) | m s−1 | Extra jitter term for MAROONX-X Blue 1b |
| µMAROON-X,Blue,2 | N (-10,10) | m s−1 | RV zero point for MAROONX-X Blue 2b |
| σMAROON-X,Blue,2 | LU(0.01,10) | m s−1 | Extra jitter term for MAROONX-X Blue 2b |
| µMAROON-X,Red,1 | N (-10,10) | m s−1 | RV zero point for MAROON-X Red 1b |
| σMAROON-X,Red, 1 | LU(0.01,10) | m s−1 | Extra jitter term for MAROON-X Red 1b |
| µMAROON-X,Red,2 | N (-10,10) | m s−1 | RV zero point for MAROON-X Red 2b |
| σMAROON-X,Red,2 | LU(0.01,10) | m s−1 | Extra jitter term for MAROON-X Red 2b |
| GP hyperparameters | |||
| σGP,RV | U(0,100) | m s−1 | Amplitude of GP component for the RVs |
| αGP,RV | J(10−10,10−6) | d−2 | Inverse length-scale of GP exponential component for the RVs |
| TGP,RV | J(0.1,10) | … | Amplitude of GP sine-squared component for the RVs |
| Prot;GP,RV | U(37,45) | d | Period of the GP quasi-periodic component for the RVs |
Notes.(a) N(µ, σ2) is a normal distribution of mean µ and variance σ2, U(a, b) and LU(a, b) are uniform and log-uniform distributions between a and b, and J represents a Jeffreys distribution. (b) 1 and 2 indicate MAROON-X data observed in August 2021 and October-November 2021, respectively, separated by RV offsets as discussed in Sect. 3.2.
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