Table 4
Physical properties of the ionized gas.
| Knot ♯1 | Knot ♯2 | Knot ♯3 | ||||||
|
|
||||||||
| E(B − V) | 0.31 ± 0.04 | 0.29 ± 0.02 | 0.35 ± 0.04 | |||||
|
|
||||||||
| ne(cm-3) ([O ii]) | 310 |
140 |
30 |
|||||
| ne(cm-3) ([S ii]) | 385 |
170 |
70 |
|||||
| ne(cm-3) ([Ar iv]) | 4600 |
2800 |
... | |||||
| ne(cm-3) ([Fe iii]) | 270 |
155 |
95 |
|||||
|
|
||||||||
| Te (K) ([O iii]) | 11 570 |
10 280 |
10 320 |
|||||
| Te (K) ([O ii]) | 11 360 | 10 470 | 10 500 | |||||
| Te (K) ([S ii]) | 9700 |
8700 |
8900 |
|||||
Notes. – Ratios for ne: [O ii]: [O ii]λ3727/[O ii]λ3729; [S ii]: [S ii]λ6717/[S ii]λ6731; [Ar iv]: [Ar iv]λ4711/[Ar iv]λ4740; [Fe iii]: [Fe iii]λ4986/[Fe iii]λ4658. – Ratios for Te: [O iii]: [O iii]λλ4959,5007/ [O iii]λ4363; [S ii]: [S ii]λλ6716,6731/ [S ii]λ4069,4076. Note that Te([O ii]) was not obtained directly from measurements of [O ii] lines. Instead, it was derived from Te([O iii]) and ne([O ii]) according to the expressions provided in García-Benito (2009).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.