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Table 1.
Mean values of the MCMC fit with their 68% confidence interval.
| Parameter | Symbol | |
|---|---|---|
| Fixed values | ||
| Reference epoch (MJD) | Tref | 56492 |
| Position epoch (MJD) | Tpos | 57205 |
| Fitted values | ||
| Right ascension | α |
 |
| Declination | δ |
 |
| Distance (kpc) | d |
 |
| Right-ascension proper motion (mas yr−1) | μα |
 |
| Declination proper motion (mas yr−1) | μδ |
 |
| Radial proper motion (mas yr−1) | μd |
 |
| Dispersion measure (pc cm−3) | DM |
 |
| Dispersion measure variation (pc cm−3 yr−1) | DM′ |
 |
| Rescaled spin frequency (Hz) |
 |
 |
| Rescaled spin frequency derivative (10−15 Hz s−1) |
 |
 |
| Orbit of pulsar around centre of mass (CM) of inner binary | ||
| Orbital period (days) | PI |
 |
| Projected semi-major axis (lt-s) | ap sin iI |
 |
| Inclination offset (°) | δi = iI − iO |
 |
| Laplace-Lagrange | eI sin ωI |
 |
| Laplace-Lagrange | eI cos ωI |
 |
| Time of ascending node (MJD) | tascI |
 |
| Long. of asc. nodes offset (°) | δΩ = ΩO − ΩI |
 |
| Orbit of CM of inner binary around CM of the whole system | ||
| Orbital period (days) | PO |
 |
| Projected semi-major axis (lt-s) | ab sin iO |
 |
| Co-projected semi-major axis (lt-s) | ab cos iO |
 |
| Laplace-Lagrange | eO sin ωO |
 |
| Laplace-Lagrange | eO cos ωO |
 |
| Time of ascending node (MJD) | tascO |
 |
| Longitude of outer ascending node (°) | ΩO |
 |
| Inner mass ratio | mi/mp |
 |
| SEP Δ | Δ |
 |
| ToA uncertainty rescaling | EFAC |
 |
| Derived values | ||
| Parallel proper motion (km s−1) | V∥ |
 |
| Plane-of-sky proper motion (km s−1) | V⊥ |
 |
| Spin frequency (Hz) | f |
 |
| Spin frequency derivative (10−15 Hz s−1) | f′ |
 |
| Orbit of pulsar around CM of inner binary | ||
| Semi-major axis (lt-s) | ap |
 |
| Orbital inclination (°) | iI |
 |
| Orbital eccentricity | eI |
 |
| Longitude of periastron (°) | ωI |
 |
| Time of periastron passage (MJD) | tpI |
 |
| Longitude of asc. node (°) | ΩI |
 |
| Orbit of CM of inner binary around CM of the whole system | ||
| Semi-major axis (lt-s) | ab |
 |
| Orbital inclination (°) | iO |
 |
| Orbital eccentricity | eO |
 |
| Longitude of periastron (°) | ωO |
 |
| Time of periastron passage (MJD) | tpO |
 |
| Pulsar mass (M⊙) | mp |
 |
| Inner-companion mass (M⊙) | mi |
 |
| Outer-companion mass (M⊙) | mo |
 |
Notes. The error bars apply to the digits between parenthesis. Upper-case indices I, O refer to the inner and outer binary respectively while lower-case indices p, i, o refer to the pulsar, inner white dwarf and outer white dwarf respectively.
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