Table 3.
Binary properties of the 19 pulsars constituting our spider pulsar sample.
| Pulsar | Pb | a1 | mf | mc, min | mc, med | Eclipsing at 1.4 GHz? |
|---|---|---|---|---|---|---|
| (h) | (10−2 lt-s) | (10−16 M⊙) | (10−3 M⊙) | (10−3 M⊙) | ||
| J0023+0923 | 3.33 | 3.48 | 1.56 | 17.54 | 15.25 | – |
| J0610−2100 | 6.86 | 7.35 | 3.46 | 22.90 | 19.90 | – |
| J0636+5128 | 1.60 | 0.90 | 0.12 | 7.35 | 6.39 | – |
| J1124−3653 | 5.45 | 7.96 | 6.98 | 29.03 | 25.21 | Yes |
| J1513−2550 | 4.29 | 4.08 | 1.52 | 17.36 | 15.09 | Yes |
| J1544+4937 | 2.90 | 3.29 | 1.73 | 18.16 | 15.78 | – |
| J1555−2908 | 5.60 | 15.14 | 4.54 × 10−2 | 54.78 | 47.51 | Yes |
| J1628−3205 | 5.00 | 41.03 | 1.14 × 103 | 167.90 | 144.72 | Yes |
| J1705−1903 | 4.41 | 10.44 | 2.39 × 10−2 | 44.05 | 38.23 | Yes |
| J1719−1438 | 2.18 | 0.18 | 5.24 × 10−4 | 1.21 | 1.05 | – |
| J1731−1847 | 7.47 | 12.02 | 1.28 × 10−2 | 35.60 | 30.91 | Yes |
| J1745+1017 | 17.53 | 8.82 | 0.92 | 14.66 | 12.74 | – |
| J1959+2048 | 9.17 | 8.92 | 3.47 | 22.93 | 19.92 | Yes |
| J2051−0827 | 2.38 | 4.51 | 6.64 | 28.54 | 24.79 | Yes |
| J2055+3829 | 3.11 | 4.53 | 3.93 | 23.92 | 20.78 | Yes |
| J2115+5448 | 3.25 | 4.48 | 3.51 | 23.01 | 20.00 | Yes |
| J2214+3000 | 10.00 | 5.91 | 0.85 | 14.27 | 12.41 | – |
| J2234+0944 | 10.07 | 6.84 | 1.30 | 16.47 | 14.31 | – |
| J2256−1024 | 5.11 | 8.30 | 8.98 | 31.60 | 27.44 | Yes |
Notes. For each pulsar, we list the orbital period Pb, the projected semi-major axis of the pulsar orbit, a1 = ap sin(i), the mass function mf and estimates of the minimum and median companion masses, mc, min and mc, med. Companion masses were derived using Equation (1), assuming a pulsar mass mp = 1.5 M⊙. Minimum and median masses were respectively derived assuming orbital inclinations i of 90° and 60°. In the last column we indicate whether the pulsar is seen to eclipse in the 1.4 GHz NRT data or not, with eclipsing pulsars defined as those displaying excess delays in their timing residuals around superior conjunction (see Sect. 3).
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