Table 2
Boundary values corresponding to the astrospheres around the modelled stars (top segment), and stellar parameters of λ Cephei (bottom segment); cf. Baalmann (2021, Table 2.3).
| Variable | Unit | SW | ISM | |
|---|---|---|---|---|
| Number density | n | [cm−3] | 3.4 | 11 |
| Bulk speed | и | [km s−1] | 2500 | (*) |
| Temperature | T | [103 K] | 10 | 9 |
| Magn. induction | B | [nT] | 3 × 10−3 | 1 |
| Magn. polar angle | ϑB | [°] | 30 | |
| Magn. azim. angle | φB | [°] | 150 | |
| Spectral type | O6If(n)p | |||
| Effect. temperature | Teff | [103 K] | 36 | |
| Distance (Gaia) | d0 | [pc] | 617 | |
| Luminosity | L* | [L⊙] | 6.3 × 105 | |
| Mass | M* | [M⊙] | 51.4 | |
| Rotation period | P* | [d] | 4.1 | |
| Mass loss rate |  |
[M⊙ yr−1] | 6.8 × 10−7 | |
Notes. The boundary condition of uISM (*) has been set up as per Table 1. Values taken from Scherer et al. (2016) and Scherer et al. (2020, Table 2); cf. references therein; distance derived from Gaia measurements (Gaia Collaboration 2018).
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