Table B.1.
Summary of ZDI studies of M dwarfs that employed a filling-factor formalism for interpreting polarisation spectra.
| Target | λ range | Epoch | Bmax (kG) | fV | Bmax/fV (kG) | References |
|---|---|---|---|---|---|---|
| OT Ser | VIS | 2007–2008 | 0.5 | 0.05–0.10 | 5–10 | 1 |
| CE Boo | VIS | 2008 | 0.5 | 0.05 | 10 | 1 |
| EV Lac | VIS | 2006–2007 | 2.0 | 0.10–0.11 | 18–20 | 2 |
| NIR | 2020–2021 | 0.69–0.70 | 0.09–0.19 | 4–8 | 8 | |
| YZ CMi | VIS | 2007–2008 | 2.5 | 0.11 | 23 | 2 |
| AD Leo | VIS | 2007–2008 | 1.0 | 0.14 | 7 | 2 |
| VIS | 2012–2016 | 0.95–1.18 | 0.07–0.13 | 9–14 | 5 | |
| VIS | 2019 | 0.58 | 0.12 | 4.8 | 7 | |
| NIR | 2019–2020 | 0.43–0.76 | 0.09–0.16 | 3.9–5.3 | 7 | |
| NIR | 2023 | 2.0 | 0.15 | 13 | 10† | |
| EQ Peg A | VIS | 2006 | 1.0 | 0.11 | 9 | 2 |
| GJ 51 | VIS | 2006–2008 | 3.86–5.02 | 0.12 | 32–42 | 3 |
| GJ 1245 B | VIS | 2006–2008 | 0.22–0.47 | 0.06–0.10 | 2–6 | 3 |
| WX UMa | VIS | 2006–2009 | 3.82–4.88 | 0.12 | 32–42 | 3 |
| DX Cnc | VIS | 2008–2009 | 0.18–0.22 | 0.20 | 0.9–1.1 | 3 |
| GJ 1289 | VIS | 2016 | 0.5 | 0.15 | 3 | 4 |
| NIR | 2019–2022 | 0.25 | 0.10 | 2.5 | 9 | |
| Proxima Cen | VIS | 2017 | 0.45 | 0.10 | 4.5 | 6 |
| DS Leo | NIR | 2020–2022 | 0.04–0.12 | 0.06–0.10 | 0.6–1.2 | 8 |
| CN Leo | NIR | 2019–2022 | 0.61–0.94 | 0.12–0.18 | 4.3–5.5 | 8 |
| GJ 905 | NIR | 2019–2022 | 0.2 | 0.10 | 2 | 9 |
| GJ 1151 | NIR | 2019–2022 | 0.15 | 0.10 | 1.5 | 9 |
| GJ 1286 | NIR | 2020–2021 | 0.2 | 0.10 | 2 | 9 |
| GJ 617B | NIR | 2020–2022 | 0.1 | 0.10 | 1 | 9 |
| GJ 408 | NIR | 2019–2022 | 0.2 | 0.10 | 2 | 9 |
| AU Mic | NIR | 2019–2024 | 1.5 | 0.20 | 7.5 | 11 |
| NIR | 2023 | 1.5 | 0.20 | 7.5 | 10† | |
| YZ Cet | NIR | 2023 | 0.56 | 0.15 | 3.7 | 12 |
| NIR | 2023–2024 | 0.86–0.83 | 0.11 | 7.6–7.8 | 13 |
Notes. Italic values in the Bmax column denote approximate estimates from the ZDI maps. †Four Stokes parameter study applying the same filling factor to V and QU profile modelling.
References. (1) Donati et al. (2008); (2) Morin et al. (2008); (3) Morin et al. (2010); (4) Moutou et al. (2017); (5) Lavail et al. (2018); (6) Klein et al. (2021); (7) Bellotti et al. (2023); (8) Bellotti et al. (2024); (9) Lehmann et al. (2024); (10) Donati et al. (2025a); (11) Donati et al. (2025b); (12) Pineda et al. (2025); (13) Biswas et al. (2025).
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