Timing model parameters for PSRs J1910+1256, J1911+1347, J1911−1114 and J1918−0642. See caption of Table 2 for a description of this table.
| PSR name . | J1910+1256 . | J1911+1347 . | J1911−1114 . | J1918−0642 . |
|---|---|---|---|---|
| MJD range | 53725–56828 | 54095–56827 | 53815–57027 | 52095–56769 |
| Number of TOAs | 112 | 140 | 130 | 278 |
| rms timing residual (μs) | 1.9 | 1.4 | 4.8 | 3.0 |
| Reference epoch (MJD) | 55000 | 55000 | 55000 | 55000 |
| Measured parameters | ||||
| Right ascension, α | 19:10:09.701 439(12) | 19:11:55.204 679(5) | 19:11:49.282 33(3) | 19:18:48.033 114(7) |
| Declination, δ | 12:56:25.4869(4) | 13:47:34.383 98(15) | −11:14:22.481(3) | −06:42:34.8896(4) |
| Proper motion in α (mas yr−1) | 0.28(9) | −2.90(4) | −13.75(16) | −7.16(4) |
| Proper motion in δ (mas yr−1) | −7.37(15) | −3.74(6) | −9.1(10) | −5.95(11) |
| Period, P (ms) | 4.983 584 018 674(3) | 4.625 962 539 7749(6) | 3.625 745 633 114(5) | 7.645 872 887 4589(14) |
| Period derivative, |$\dot{P}$| (× 10−20) | 0.9675(17) | 1.6927(9) | 1.395(4) | 2.5686(17) |
| Parallax, π (mas) | 1.44(74) | – | – | – |
| DM (cm−3pc) | 38.094(11) | 30.987(6) | 31.02(11) | 26.610(11) |
| DM1 (cm−3pc yr−1) | −0.003(6) | 0.000(2) | −0.02(2) | 0.003(3) |
| DM2 (cm−3pc yr−2) | 0.0000(8) | −0.0002(5) | 0.003(3) | 0.0003(5) |
| Orbital period, Pb (d) | 58.466 742 964(14) | – | 2.716 557 6619(7) | 10.913 177 7490(4) |
| Epoch of periastron, T0 (MJD) | 54 079.3152(14) | – | 50 456.5(3) | 51 575.775(7) |
| Projected semimajor axis, x (lt-s) | 21.129 1036(7) | – | 1.762 8746(9) | 8.350 4665(10) |
| Longitude of periastron, ω0 (deg) | 105.998(9) | – | 121(34) | 219.60(20) |
| Orbital eccentricity, e | 2.3023(4)× 10−4 | – | 1.6(10)× 10−6 | 2.039(8)× 10−5 |
| κ = e × sin ω0 | – | – | 1.4(11)× 10−6 | – |
| η = e × cos ω0 | – | – | −8.4(91)× 10−7 | – |
| Time of asc. node (MJD) | – | – | 50 455.611 7845(13) | – |
| First derivative of x, |$\dot{x}$| | −2.0(6)× 10−14 | – | – | 0.9(1.8) × 10−15 |
| Third harmonic of Shapiro, h3 (μs) | – | – | – | 0.86(12) |
| Ratio of harmonics amplitude, ς | – | – | – | 0.91(4) |
| Derived parameters | ||||
| Gal. longitude, l (deg) | 46.6 | 47.5 | 25.1 | 30.0 |
| Gal. latitude, b (deg) | 1.8 | 1.8 | −9.6 | −9.1 |
| LK Px Distance, d (pc) | |$554_{-186}^{+461}$| | – | – | – |
| Composite PM, μ (mas yr−1) | 7.37(15) | 4.73(6) | 16.5(6) | 9.31(7) |
| |$\dot{P}_{{\rm shk}} (\times 10^{-20})$| | 0.04(3) | 0.052 | 0.29 | 0.2 |
| |$\dot{P}_{{\rm kz}} (\times 10^{-20})$| | −0.0002(1) | −0.00041 | −0.0084 | −0.016 |
| |$\dot{P}_{{\rm dgr}} (\times 10^{-20})$| | −0.003(3) | −0.031 | 0.025 | 0.039 |
| |$\dot{P}_{{\rm int}} (\times 10^{-20})$| | 0.93(3) | 1.67 | 1.09 | 2.35 |
| Characteristic age, τc (Gyr) | 8.5 | 4.4 | 5.3 | 5.2 |
| Surface magnetic field, B (× 108 G) | 2.2 | 2.8 | 2.0 | 4.3 |
| Min. companion mass (M⊙) | 0.18 | – | 0.11 | 0.22 |
| PSR name . | J1910+1256 . | J1911+1347 . | J1911−1114 . | J1918−0642 . |
|---|---|---|---|---|
| MJD range | 53725–56828 | 54095–56827 | 53815–57027 | 52095–56769 |
| Number of TOAs | 112 | 140 | 130 | 278 |
| rms timing residual (μs) | 1.9 | 1.4 | 4.8 | 3.0 |
| Reference epoch (MJD) | 55000 | 55000 | 55000 | 55000 |
| Measured parameters | ||||
| Right ascension, α | 19:10:09.701 439(12) | 19:11:55.204 679(5) | 19:11:49.282 33(3) | 19:18:48.033 114(7) |
| Declination, δ | 12:56:25.4869(4) | 13:47:34.383 98(15) | −11:14:22.481(3) | −06:42:34.8896(4) |
| Proper motion in α (mas yr−1) | 0.28(9) | −2.90(4) | −13.75(16) | −7.16(4) |
| Proper motion in δ (mas yr−1) | −7.37(15) | −3.74(6) | −9.1(10) | −5.95(11) |
| Period, P (ms) | 4.983 584 018 674(3) | 4.625 962 539 7749(6) | 3.625 745 633 114(5) | 7.645 872 887 4589(14) |
| Period derivative, |$\dot{P}$| (× 10−20) | 0.9675(17) | 1.6927(9) | 1.395(4) | 2.5686(17) |
| Parallax, π (mas) | 1.44(74) | – | – | – |
| DM (cm−3pc) | 38.094(11) | 30.987(6) | 31.02(11) | 26.610(11) |
| DM1 (cm−3pc yr−1) | −0.003(6) | 0.000(2) | −0.02(2) | 0.003(3) |
| DM2 (cm−3pc yr−2) | 0.0000(8) | −0.0002(5) | 0.003(3) | 0.0003(5) |
| Orbital period, Pb (d) | 58.466 742 964(14) | – | 2.716 557 6619(7) | 10.913 177 7490(4) |
| Epoch of periastron, T0 (MJD) | 54 079.3152(14) | – | 50 456.5(3) | 51 575.775(7) |
| Projected semimajor axis, x (lt-s) | 21.129 1036(7) | – | 1.762 8746(9) | 8.350 4665(10) |
| Longitude of periastron, ω0 (deg) | 105.998(9) | – | 121(34) | 219.60(20) |
| Orbital eccentricity, e | 2.3023(4)× 10−4 | – | 1.6(10)× 10−6 | 2.039(8)× 10−5 |
| κ = e × sin ω0 | – | – | 1.4(11)× 10−6 | – |
| η = e × cos ω0 | – | – | −8.4(91)× 10−7 | – |
| Time of asc. node (MJD) | – | – | 50 455.611 7845(13) | – |
| First derivative of x, |$\dot{x}$| | −2.0(6)× 10−14 | – | – | 0.9(1.8) × 10−15 |
| Third harmonic of Shapiro, h3 (μs) | – | – | – | 0.86(12) |
| Ratio of harmonics amplitude, ς | – | – | – | 0.91(4) |
| Derived parameters | ||||
| Gal. longitude, l (deg) | 46.6 | 47.5 | 25.1 | 30.0 |
| Gal. latitude, b (deg) | 1.8 | 1.8 | −9.6 | −9.1 |
| LK Px Distance, d (pc) | |$554_{-186}^{+461}$| | – | – | – |
| Composite PM, μ (mas yr−1) | 7.37(15) | 4.73(6) | 16.5(6) | 9.31(7) |
| |$\dot{P}_{{\rm shk}} (\times 10^{-20})$| | 0.04(3) | 0.052 | 0.29 | 0.2 |
| |$\dot{P}_{{\rm kz}} (\times 10^{-20})$| | −0.0002(1) | −0.00041 | −0.0084 | −0.016 |
| |$\dot{P}_{{\rm dgr}} (\times 10^{-20})$| | −0.003(3) | −0.031 | 0.025 | 0.039 |
| |$\dot{P}_{{\rm int}} (\times 10^{-20})$| | 0.93(3) | 1.67 | 1.09 | 2.35 |
| Characteristic age, τc (Gyr) | 8.5 | 4.4 | 5.3 | 5.2 |
| Surface magnetic field, B (× 108 G) | 2.2 | 2.8 | 2.0 | 4.3 |
| Min. companion mass (M⊙) | 0.18 | – | 0.11 | 0.22 |
Timing model parameters for PSRs J1910+1256, J1911+1347, J1911−1114 and J1918−0642. See caption of Table 2 for a description of this table.
| PSR name . | J1910+1256 . | J1911+1347 . | J1911−1114 . | J1918−0642 . |
|---|---|---|---|---|
| MJD range | 53725–56828 | 54095–56827 | 53815–57027 | 52095–56769 |
| Number of TOAs | 112 | 140 | 130 | 278 |
| rms timing residual (μs) | 1.9 | 1.4 | 4.8 | 3.0 |
| Reference epoch (MJD) | 55000 | 55000 | 55000 | 55000 |
| Measured parameters | ||||
| Right ascension, α | 19:10:09.701 439(12) | 19:11:55.204 679(5) | 19:11:49.282 33(3) | 19:18:48.033 114(7) |
| Declination, δ | 12:56:25.4869(4) | 13:47:34.383 98(15) | −11:14:22.481(3) | −06:42:34.8896(4) |
| Proper motion in α (mas yr−1) | 0.28(9) | −2.90(4) | −13.75(16) | −7.16(4) |
| Proper motion in δ (mas yr−1) | −7.37(15) | −3.74(6) | −9.1(10) | −5.95(11) |
| Period, P (ms) | 4.983 584 018 674(3) | 4.625 962 539 7749(6) | 3.625 745 633 114(5) | 7.645 872 887 4589(14) |
| Period derivative, |$\dot{P}$| (× 10−20) | 0.9675(17) | 1.6927(9) | 1.395(4) | 2.5686(17) |
| Parallax, π (mas) | 1.44(74) | – | – | – |
| DM (cm−3pc) | 38.094(11) | 30.987(6) | 31.02(11) | 26.610(11) |
| DM1 (cm−3pc yr−1) | −0.003(6) | 0.000(2) | −0.02(2) | 0.003(3) |
| DM2 (cm−3pc yr−2) | 0.0000(8) | −0.0002(5) | 0.003(3) | 0.0003(5) |
| Orbital period, Pb (d) | 58.466 742 964(14) | – | 2.716 557 6619(7) | 10.913 177 7490(4) |
| Epoch of periastron, T0 (MJD) | 54 079.3152(14) | – | 50 456.5(3) | 51 575.775(7) |
| Projected semimajor axis, x (lt-s) | 21.129 1036(7) | – | 1.762 8746(9) | 8.350 4665(10) |
| Longitude of periastron, ω0 (deg) | 105.998(9) | – | 121(34) | 219.60(20) |
| Orbital eccentricity, e | 2.3023(4)× 10−4 | – | 1.6(10)× 10−6 | 2.039(8)× 10−5 |
| κ = e × sin ω0 | – | – | 1.4(11)× 10−6 | – |
| η = e × cos ω0 | – | – | −8.4(91)× 10−7 | – |
| Time of asc. node (MJD) | – | – | 50 455.611 7845(13) | – |
| First derivative of x, |$\dot{x}$| | −2.0(6)× 10−14 | – | – | 0.9(1.8) × 10−15 |
| Third harmonic of Shapiro, h3 (μs) | – | – | – | 0.86(12) |
| Ratio of harmonics amplitude, ς | – | – | – | 0.91(4) |
| Derived parameters | ||||
| Gal. longitude, l (deg) | 46.6 | 47.5 | 25.1 | 30.0 |
| Gal. latitude, b (deg) | 1.8 | 1.8 | −9.6 | −9.1 |
| LK Px Distance, d (pc) | |$554_{-186}^{+461}$| | – | – | – |
| Composite PM, μ (mas yr−1) | 7.37(15) | 4.73(6) | 16.5(6) | 9.31(7) |
| |$\dot{P}_{{\rm shk}} (\times 10^{-20})$| | 0.04(3) | 0.052 | 0.29 | 0.2 |
| |$\dot{P}_{{\rm kz}} (\times 10^{-20})$| | −0.0002(1) | −0.00041 | −0.0084 | −0.016 |
| |$\dot{P}_{{\rm dgr}} (\times 10^{-20})$| | −0.003(3) | −0.031 | 0.025 | 0.039 |
| |$\dot{P}_{{\rm int}} (\times 10^{-20})$| | 0.93(3) | 1.67 | 1.09 | 2.35 |
| Characteristic age, τc (Gyr) | 8.5 | 4.4 | 5.3 | 5.2 |
| Surface magnetic field, B (× 108 G) | 2.2 | 2.8 | 2.0 | 4.3 |
| Min. companion mass (M⊙) | 0.18 | – | 0.11 | 0.22 |
| PSR name . | J1910+1256 . | J1911+1347 . | J1911−1114 . | J1918−0642 . |
|---|---|---|---|---|
| MJD range | 53725–56828 | 54095–56827 | 53815–57027 | 52095–56769 |
| Number of TOAs | 112 | 140 | 130 | 278 |
| rms timing residual (μs) | 1.9 | 1.4 | 4.8 | 3.0 |
| Reference epoch (MJD) | 55000 | 55000 | 55000 | 55000 |
| Measured parameters | ||||
| Right ascension, α | 19:10:09.701 439(12) | 19:11:55.204 679(5) | 19:11:49.282 33(3) | 19:18:48.033 114(7) |
| Declination, δ | 12:56:25.4869(4) | 13:47:34.383 98(15) | −11:14:22.481(3) | −06:42:34.8896(4) |
| Proper motion in α (mas yr−1) | 0.28(9) | −2.90(4) | −13.75(16) | −7.16(4) |
| Proper motion in δ (mas yr−1) | −7.37(15) | −3.74(6) | −9.1(10) | −5.95(11) |
| Period, P (ms) | 4.983 584 018 674(3) | 4.625 962 539 7749(6) | 3.625 745 633 114(5) | 7.645 872 887 4589(14) |
| Period derivative, |$\dot{P}$| (× 10−20) | 0.9675(17) | 1.6927(9) | 1.395(4) | 2.5686(17) |
| Parallax, π (mas) | 1.44(74) | – | – | – |
| DM (cm−3pc) | 38.094(11) | 30.987(6) | 31.02(11) | 26.610(11) |
| DM1 (cm−3pc yr−1) | −0.003(6) | 0.000(2) | −0.02(2) | 0.003(3) |
| DM2 (cm−3pc yr−2) | 0.0000(8) | −0.0002(5) | 0.003(3) | 0.0003(5) |
| Orbital period, Pb (d) | 58.466 742 964(14) | – | 2.716 557 6619(7) | 10.913 177 7490(4) |
| Epoch of periastron, T0 (MJD) | 54 079.3152(14) | – | 50 456.5(3) | 51 575.775(7) |
| Projected semimajor axis, x (lt-s) | 21.129 1036(7) | – | 1.762 8746(9) | 8.350 4665(10) |
| Longitude of periastron, ω0 (deg) | 105.998(9) | – | 121(34) | 219.60(20) |
| Orbital eccentricity, e | 2.3023(4)× 10−4 | – | 1.6(10)× 10−6 | 2.039(8)× 10−5 |
| κ = e × sin ω0 | – | – | 1.4(11)× 10−6 | – |
| η = e × cos ω0 | – | – | −8.4(91)× 10−7 | – |
| Time of asc. node (MJD) | – | – | 50 455.611 7845(13) | – |
| First derivative of x, |$\dot{x}$| | −2.0(6)× 10−14 | – | – | 0.9(1.8) × 10−15 |
| Third harmonic of Shapiro, h3 (μs) | – | – | – | 0.86(12) |
| Ratio of harmonics amplitude, ς | – | – | – | 0.91(4) |
| Derived parameters | ||||
| Gal. longitude, l (deg) | 46.6 | 47.5 | 25.1 | 30.0 |
| Gal. latitude, b (deg) | 1.8 | 1.8 | −9.6 | −9.1 |
| LK Px Distance, d (pc) | |$554_{-186}^{+461}$| | – | – | – |
| Composite PM, μ (mas yr−1) | 7.37(15) | 4.73(6) | 16.5(6) | 9.31(7) |
| |$\dot{P}_{{\rm shk}} (\times 10^{-20})$| | 0.04(3) | 0.052 | 0.29 | 0.2 |
| |$\dot{P}_{{\rm kz}} (\times 10^{-20})$| | −0.0002(1) | −0.00041 | −0.0084 | −0.016 |
| |$\dot{P}_{{\rm dgr}} (\times 10^{-20})$| | −0.003(3) | −0.031 | 0.025 | 0.039 |
| |$\dot{P}_{{\rm int}} (\times 10^{-20})$| | 0.93(3) | 1.67 | 1.09 | 2.35 |
| Characteristic age, τc (Gyr) | 8.5 | 4.4 | 5.3 | 5.2 |
| Surface magnetic field, B (× 108 G) | 2.2 | 2.8 | 2.0 | 4.3 |
| Min. companion mass (M⊙) | 0.18 | – | 0.11 | 0.22 |
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