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Table 1.
Observational data for σ Ori E.
| Gaia astrometry | ||
|---|---|---|
| Distance |
 pc |
Gaia Collaboration (2018) |
| Spectropolarimetry | ||
| Polar magnetic field, Bp | 7.3−7.8 kG | Oksala et al. (2012, 2015) |
| Townsend et al. (2010, 2013) | ||
| log g | 4.0 ± 0.5 | Oksala et al. (2012, 2015) |
| Photometry | ||
| Rotational period, Prot | 1.19 days | Townsend et al. (2010, 2013) |
| Prot | 77 mms per year | Townsend et al. (2010, 2013) |
| Angular diameter | 0.079 ± 0.002 mas | Groote & Hunger (1982) |
| log Teff | 4.352 ± 0.012 | Groote & Hunger (1982) |
| Reiners et al. (2000) | ||
| Spectroscopy | ||
| log g | 4.2 ± 0.2 | Shultz et al. (2019b) |
| log Teff | 4.362 ± 0.04 | Hunger et al. (1989) |
| Log L/L⊙ | 3.50 ± 0.20 | Shultz et al. (2019b) |
| υ sin i | 140 ± 10 km s−1 | Oksala et al. (2012, 2015) |
 |
−4.5 ± 0.5 dex | Oksala et al. (2012, 2015) |
 |
−0.85 ± 0.25 dex | Oksala et al. (2012, 2015) |
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