Table 3.
Timing parameters (continuation of Table 2) for PSR J1910−5959A, obtained from the TEMPO2 timing package using the ELL1 (second column) and ELL1H (third column) binary model.
| Binary model | ELL1 | ELL1H |
|---|---|---|
| Number of ToAs | 1788 | 1788 |
| Weighted rms of ToA residuals (μs) | 2.17 | 2.13 |
| Orbital parameters | ||
| Orbital period, PB (days) | 0.837113489987(3) | 0.837113489970(4) |
| Projected semi-major axis of the pulsar orbit, x (s) | 1.20604175(3) | 1.20604176(3) |
| Epoch of ascending node passage, TASC (MJD) | 51919.206615968(5) | 51919.206615991(5) |
| 1st Laplace-Lagrange parameter, ϵ1 = e sin ω(10−7) | 8.0(3) | 8.5(3) |
| 2nd Laplace-Lagrange parameter, ϵ2 = e cos ω(10−7) | −1.8(3) | −1.7(3) |
| Rate of change of projected semi-major axis, ẋ (10−16 ls s−1) |
 |
 |
| Orbital period derivative, ṖB (10−15 s s−1) |
 |
 |
| Range of Shapiro delay, r (T⊙) | 0.202(6) | {0.201(7)} |
| Shape of Shapiro delay, s | 0.999823(4) | { } |
| Orthometric amplitude of Shapiro delay, h3 (μs) | {0.94(2)} | 0.938(3) |
| Orthometric ratio of Shapiro delay, ς | {0.981(2)} | 0.982(3) |
| Noise parameters | ||
| Red noise power-law amplitude, Ared |
 |
 |
| Red noise power-law spectral index, αred | 6.4(1) |
 |
| DM noise power-law amplitude, ADM |
 |
−10.59(4) |
| DM noise power-law spectral index, αDM |
 |
 |
| Derived masses and inclination | ||
| Mass function, f (M⊙) | 0.0026878255(2) | 0.0026878256(2) |
| Orbital inclination, i (deg) |
 |
88.9(2) |
| Companion mass, MC (M⊙) | 0.202(6) | 0.201(7) |
| Pulsar mass, MP (M⊙) |
 |
 |
Notes. The values in the parentheses indicate nominal 1σ symmetric uncertainties on the last digit of the value. Asymmetric uncertainties are explicitly provided. The values in curly brackets indicate derived quantities from the measurement. The values of x and ϵ1 for the ELL1H model are provided after subtracting the contributions from the first and second harmonics of the Shapiro delay (see Eqs. (16) and (17) in Freire & Wex 2010 for details).
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