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Table 1
Parameters of the isolated pulsar PSR J1825-1446.
| Parameter | Symbol | Value | Ref. |
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| Pulsar period | P | 0.279186875177(5) s | (1) |
| Frequency | f0 | 3.58183026823(6) | (1) |
| Freq. derivative | f1 | −2.909526(5) × 10-13 s-1 | (1) |
| Freq. second derivative | f2 | 2.24(9) × 10-25 s-2 | (1) |
| Characteristic age | τc | 1.95 × 105 yr | (1) |
| Dispersion measure | DM | 357 ± 5 | (1) |
| Rotation measure | RM | −899 ± 10 rad m-2 | (1) |
| Distance (DM) | d | 5.0 ± 0.6 kpc | (2) |
| Spindown luminosity | Ėsp | 4.1 × 1034 erg s-1 | (1) |
| Flux density | S0.6 GHz | 1.8 ± 0.3 mJy | (3) |
| S1.1 GHz | 2.4 ± 0.5 mJy | (3) | |
| S1.4 GHz | 3.0 ± 0.2 mJy | (4) | |
| S1.6 GHz | 2.5 ± 0.2 mJy | (4) | |
| S4.8 GHz | 1.2 ± 0.1 mJy | (3) | |
| Pulse width (1.4 GHz) | W10 | 27 ms | (1) |
| Pulse width (4.8 GHz) | W10 | 6.8 ms | (3) |
| Polarisation | 90 ± 6% | (5) | |
| Proper motion | μαcosδ | 10 ± 18 mas yr-1 | (1) |
| μδ | 19 ± 115 mas yr-1 | (1) | |
Notes. The proper motion is updated in this paper, see text.
References. (1) Hobbs et al. (2004); (2) using the model in Cordes & Lazio (2002); (3) Kijak et al. (2007); (4) Lorimer et al. (1995); (5) Von Hoensbroech (1998).
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