Table 4
Interacting sites in T CrB system inferred from the spectroscopic monitoring during the SAP.
| n | Interaction site | Lines | T [kK] | tp [d] |
|---|---|---|---|---|
| 1 | Irradiation spot | O I (abs) | [5, 10] | 1289 |
| λ7772–7775 | ||||
| 2 | Bright spot | He I λ6678 | >20 (a) | 481 |
| O I λ8446 | ||||
| 3 | Disk overflow | He I (abs) | [9, 10] (b) | — |
| (λ<4800) | ||||
| 4 | Accretion wind | H I λ6563 | >20 (a) | 860 |
| He I λ5578 | ||||
| 5 | Boundary layer | He II λ4686 | >60 (a) | 894 |
| N III λ4641 | ||||
| 6 | Nebula (jet or ring ?) | [O III], [Ne III] | [10–50] | 210 |
Notes. (a)Woodward et al. (2020), (b)Zamanov et al. (2023). n refers to the different locations in Fig. 8. tp is the time of the peak maximum, taking t = 0 as the start of the SAP (JD=2 457 023.5). T provides a range or a lower bound on the temperature.
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