Open Access
Table 4
As Table 3 but for the disc of HD 163296.
| Radius | Dust(a) | Vertical(b) | Δυϕ | Tb | Lw | Notes |
|---|---|---|---|---|---|---|
| 45 | ↓ | ⇓ | ⊕ | ⇑ | ⇓ | Warm gas gap. Detected in kinematics and line widths of all tracers. |
| 86 | ↓ | ⇓ | ⊕ | ⇓ | ⇓ | Cold gas gap. Detected in kinematics and line widths of all tracers. |
| 141 | ↓ | /↓↓ | ++/ | ↑// | ↓// | Shallow, warm gas gap. Detected in 12CO and 13CO kinematics, and in 12CO line widths. |
| 270 | ↓optical | ↓↓/ | /++ | / | / | Vertical bumps and positive velocity gradients near the location of kinematic kink at R = 260 au (Pinte et al. 2018a; Izquierdo et al. 2022) |
| 67 | ↑ | / | Θ | / | ↑// | Pressure bumps detected in kinematics, leading to dust ring. Line broadening in 12CO indicative of higher density. |
| 101 | ↑ | / | /-- | ↑↓↓ | /↑↑ | High line broadening in C18O hinting at enhanced turbulent motions. Pressure bumps detected in kinematics, leading to dust ring. |
| 159 | ↑ | / | Θ | / | / | Pressure bumps detected in kinematics, leading to dust ring. |
| 120 | / | / | −/+ | ↓↑↑ | ↑↓↓ | Funnel-like structure causing radial offset between pressure bumps observed in 12CO compared to those in 13CO and C18O (see Sect. 4) |
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