Table 2.
PSR J1933−6211 timing parameters obtained from TEMPONEST.
| Observation and data reduction parameters | |
|---|---|
| Timing model | T2 |
| Solar system ephemeris | DE440 |
| Timescale | TT(BP2021) |
| Reference epoch for period, position and DM (MJD) | 58831 |
| Solar wind electron number density, n0 (cm−3) | 9.961 |
| Spin and astrometric parameters | |
| Right ascension, α (J2000, h:m:s) | 19:33:32.413992 (9) |
| Declination, δ (J2000, d:m:s) | −62:11:46.70233 (9) |
| Proper motion in α, μα (mas yr−1) | −5.62 (1) |
| Proper motion in δ, μδ (mas yr−1) | 11.09 (3) |
| Parallax, ϖ (mas) | 1.0 (3) |
| Spin frequency, ν (Hz) | 282.212313459989 (3) |
Spin-down rate,  (10−16 Hz s−1) |
−3.0830 (2) |
| Dispersion measure, DM (cm−3 pc) | 11.507 (3) |
| First derivative of DM, DM1 (cm−3 pc yr−1) | 0.00032 (3) |
| Second derivative of DM, DM2 (cm−3 pc yr−2) | −0.00033 (1) |
| Rotation measure, RM (rad m−2) | 9.2 (1) (a) |
| Derived parameters | |
| Galactic longitude, l (°) | 334.4309 |
| Galactic latitude, b (°) | −28.6315 |
| Total proper motion, μT (mas yr−1) | 12.42 (3) |
| DM-derived distance (NE2001), d (kpc) | 0.51 |
| DM-derived distance (YMW16), d (kpc) | 0.65 |
| Parallax derived distance, d (kpc) | 1.0 (3) |
| Parallax derived distance including EDSD prior, d (kpc) | 1.2 |
| Ṗb-derived distance, d (kpc) | 1.7 (3) |
| Parallax distance including EDSD prior, d (kpc) | 1.4 (2) |
| Distance derived from combining parallax, Ṗb and EDSD prior, d (kpc) | 1.6 |
| Spin period, P0 (ms) | 3.5434314957408 (4) |
| Spin period derivative, Ṗ (10−21 s s−1) | 3.8710 (2) |
| Total kinematic contribution to Ṗ, Ṗk (10−21 s s−1) | −1.6 (3) |
| Intrinsic spin period derivative, Ṗint (10−21 s s−1) | 2.2 (3) |
| Inferred surface magnetic field, Bsurf (107 G) | ∼9.3 |
| Inferred characteristic age, τc (Gyr) | ∼24 |
| Inferred spin-down luminosity, Ė (1033 erg s−1) | ∼2.11 |
Notes. Results were obtained using the TEMPO2 T2 binary model within TEMPONEST. We also present derived computed quantities from these. All uncertainties in the measured values are 68.3% confidence limits (C.L.). Binary and post-Keplerian parameters are presented in Table 3.
As obtained in Kramer et al. (2021).
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