Table 5.
Strömgren radius.
| Name | SpT | dist | log QH | rS,Eq.(3) | rS,Hα |
|---|---|---|---|---|---|
| (pc) | (s−1) | (pc) | (pc) | ||
| δ Sco | B0.3IV (1) | 150 | 47.99 | 7.9 | 5.5 |
| π Sco | B1V+B2V (2) | 103 | 47.40 | 5.0 | 1.3 |
| σ Sco | B1III+B1V (3) | 214 | 47.99 | 7.9 | 2.2 |
| τ Sco | B0.2V (4) | 145 | 47.70 | 6.3 | 3.3 |
Notes. Columns indicate, (1–3) name of the ionising star, spectral type and distance, (4) hydrogen-ionising photon luminosity (Alves, in prep.), (5) Strömgren radius calculated with Eq. (3), (6) Strömgren radius measured in Hα (see Fig. 2, right panel).
References. (1) Morgan & Keenan (1973); (2) Garrison (1967); (3) Maíz Apellániz et al. (2021); (4) Donati et al. (2006).
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