Open Access
Table C.5
Additional FITS header keys if both VELOCE and literature data were used to fit a circular orbit using the MCMC method
| Optional Header Circular Orbit V+L - Added to PrimaryHDU | |
|---|---|
| KEY | DESCRIPTION |
| KC_VL_N_ITERATIONS | Number of iterations of the MCMC for the VL circular model |
| KC_VL_N_WALKERS | Number of walkers for the VL circular model |
| KC_VL_ACCEPTANCE_RATIO | Mean of the acceptance fraction for each walker of the MCMC chain for the VL circular model |
| KC_VL_N_CHAIN | Number of independent samples MCMC |
| KC_VL_N_DOF | Degrees of freedom of the VL circular fit |
| KC_VL_CHISQ | Chi-squared statistics |
| KC_VL_NORMALIZED_CHISQ | Normalized chi-squared statistics |
| KC_VL_STDDEV | Standard deviation of the residuals (weighted) [km s−1] |
| KC_VL_STDMER | Standard error of the mean of the residuals (STDDEV/sqrt(N_DOF)) [km s−1] |
| KC_VL_PORB | Orbital period of the VL circular model (mean) [d] |
| KC_VL_PORB_ERR | Uncertainty on the orbital period of the VL circular model (standard deviation) [d] |
| KC_VL_PORB_Q50 | 50th percentile of the orbital period [d] |
| KC_VL_PORB_Q16 | 16th percentile of the orbital period [d] |
| KC_VL_PORB_Q84 | 84th percentile of the orbital period [d] |
| KC_VL_K | Semi-amplitude of the radial velocity curve of the VL circular model (mean) [km s−1] |
| KC_VL_K_ERR | Uncertainty on the semi-amplitude of the radial velocity curve of the VL circular model (standard deviation) [km s−1] |
| KC_VL_K_Q50 | 50th percentile of the semi-amplitude of the radial velocity curve [km s−1] |
| KC_VL_K_Q16 | 16th percentile of the semi-amplitude of the radial velocity curve [km s−1] |
| KC_VL_K_Q84 | 84th percentile of the semi-amplitude of the radial velocity curve [km s−1] |
| KC_VL_A_SINI | Projected semi-major axis of the orbit for the VL circular model [au] |
| KC_VL_A_SINI_ERR | Uncertainty on the projected semi-major axis of the orbit for the VL circular model [au] |
| KC_VL_F_MASS | Mass function of the binary system for the VL circular model [M⊙] |
| KC_VL_F_MASS_ERR | Uncertainty on the mass function [M⊙] |
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