Table 1.
Parameters of PSR B1259–63/LS 2883.
| Parameter | Symbol | Value | Reference |
|---|---|---|---|
| System parameters | |||
| Eccentricity ( † ) | e | 0.86987970 | 1 |
| Orbital period ( † ) | Porb | 1236.724526 days | 1 |
| Distance from Earth ( † ) | dL | 2.60 kpc | 2 |
| Inclination angle of the orbit ( † ) | i | 26° | 1 |
| Longitude of periastron ( † ) | ω | 138.665013° | 2 |
| Pulsar and pulsar wind | |||
| Spin-down power ( † ) | Lsd | 8.2 × 1035 erg s−1 | 3 |
| Rotation period ( † ) | P | 47.7625 ms | 1 |
| Lorentz factor of pulsar wind ( ‡ ) | γw | 5 × 105 | – |
| Magnetization of pulsar wind ( ‡ ) | σ | 10−3 | – |
| Star and stellar outflows | |||
| Effective radius of star ( † ) | R⋆ | 9.2 R⊙ | 4 |
| Effective temperature of star ( † ) | T⋆ | 3.02 × 104 K | 5 |
| Ram pressure of polar wind ( ‡ ) | p0 | 5 × 1025 g cm s−2 | – |
| Radial profile of the wind ( ‡ ) | n | 2 | – |
| Midplane of the disc ( ‡ ) | ϕd | 97.5° | – |
| Inclination angle of the disc ( ‡ ) | id | 45° | – |
| Disc-wind pressure contrast ( ‡ ) | G | 100 | – |
| Confinement of disc ( ‡ ) | m | 100 | – |
| Terminal shock | |||
| Particle distribution index ( ‡ ) | p | 2.4 | – |
| Shock heating efficiency ( ‡ ) | ξ | 12.5% | – |
| Acceleration efficiency ( ‡ ) | ζ | 0.3 | – |
| Velocity of shocked flow ( ‡ ) | β | 1/3 | – |
Notes. ( † )Observational parameters. ( ‡ )Model parameters. The values adopted in this table are chosen by modelling the observational data.
References. (1) Shannon et al. (2014); (2) Miller-Jones et al. (2018); (3) Manchester et al. (1995); (4) Negueruela et al. (2011); (5) Chernyakova et al. (2014).
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