Table 1
Median values for Herbig groups from Banzatti et al. (2018), plus notes from imaging studies.
| Herbig group | FNIR | v2∕v1 | RCO (AU) | log (Fe/H) | Dust structures from imaging | Refs. |
|---|---|---|---|---|---|---|
| Group II | 0.16 | 0.12 | 3 | −4.4 | No large inner cavities, some substructures <5 AU | (1) |
| Group I (high-NIR) | 0.27 | 0.05 | 5 | −4.6 | 40–100 AU cavities, (misaligned) inner disks <10 AU | (2) |
| Group I (low-NIR) | 0.08 | 0.27 | 18 | −5.2 | 15–50 AU cavities, no significant inner disks | (3) |
References. (1) E.g., Menu et al. (2015); Huang et al. (2018); Isella et al. (2018); (2) e.g., Pinilla et al. (2018); Stolker et al. (2016); Avenhaus et al. (2017); Tang et al. (2017); di Folco et al. (2009); Boehler et al. (2018); Benisty et al. (2017); (3) van der Plas et al. (2017); Fedele et al. (2017); White et al. (2018); Pinilla et al. (2018).
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