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Table 2.
Timing parameters for PSR J1910−5959A, obtained from the TEMPO2 timing package using the ELL1 binary model.
| Adopted observation and data reduction parameters | |
|---|---|
| Solar System ephemeris | DE436 |
| Timescale | TCB |
| Reference epoch for spin frequency, position and DM (MJD) | 59451 |
| Solar wind electron number density, n0 (cm−3) | 4 |
| Spin and astrometric parameters | |
| Right ascension, α (J2000, h:m:s) | 19:11:42.74680(2) |
| Declination, δ (J2000, d:m:s) | −59:58:26.9850(3) |
| Proper motion in α, μα cos δ (mas yr−1) | −3.23(2) |
| Proper motion in δ, μδ (mas yr−1) | −3.93(3) |
| Spin frequency, ν (Hz) | 306.16744090851(7) |
First derivative of spin frequency,  (10−16 Hz s−1) |
 |
Second derivative of spin frequency,  (10−27 Hz s−2) |
5.8(2) |
| Dispersion measure, DM (cm−3 pc) | 33.704(2) |
| First Derivative of DM, DM1 (10−4 cm−3 pc yr−1) |
 |
| Second Derivative of DM, DM2 (10−5 cm−3 pc yr−2) |
 |
| Rotation measure, RM (rad m−2) | 43.0(2) (a) |
| Derived parameters | |
| Galactic longitude, lGAL (°) | 336.525 |
| Galactic latitude, bGAL (°) | −25.730 |
| DM-derived distance (NE2001), DNE (kpc) | 1.153 |
| DM-derived distance (YMW16), DYMW (kpc) | 1.685 |
| Galactic height, z (kpc) | −1.79 (b) |
| Position angle of proper motion, J2000, Θμ (°) | 219.4(3) |
Position angle of proper motion, Galactic,  (°) |
299.5(3) |
| Total proper motion, μ (mas yr−1) | 5.087(26) |
| Heliocentric transverse velocity, VT (km s−1) | 95(4) (b) |
| Spin period, P0 (ms) | 3.2661866214323(8) |
| Spin period derivative, Ṗ0 (10−21 s s−1) | 2.96793(64) |
| Contribution to Ṗ from the variation of the Doppler shift, Ṗk (10−21 s s−1) | −2.05(30) (c) |
| Intrinsic spin period derivative, Ṗ0,intr (10−21 s s−1) | 5.02(30) |
| Surface magnetic field strength, Bsurf (108 G) | 1.29(4) |
| Characteristic age, τ (Gyr) | 10.3(6) |
| Spin-down power, Ėrot (1033 erg s−1) | −5.7(3) |
| Fixed parameters | |
| Parallax, ϖ (mas) | 0.251(10) (b) |
Notes. The values in the parentheses indicate nominal 1σ symmetric uncertainties on the last digit of the value. Asymmetric uncertainties are explicitly provided.
(c)
See Eq. (4).
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