Table 3
Physical parameters and diagnostic line ratios derived in extended gas regions and group galaxies.
| CGr30-ID | σv [km s-1] | E(B−V)Balmer [mag] | ne [cm-3] | R23 | O32 | [O iii]/Hβ |
| (1) | (2) | (3) | (4) | (5) | (6) | (7) |
|
|
||||||
| A | 195 ± 77 | – | – | > 2.0 | < 1.15 | – |
| B | 243 ± 35 | – | – | > 1.6 | < 4.44 | – |
| C | 99 ± 45 | – | – | > 2.5 | < 1.02 | – |
| D | 99 ± 13 | > 0.41 | – |
|
|
|
| E | 145 ± 42 | ≥0 | – |
|
< 0.21 | < 1.01 |
| F | 103 ± 18 | ≥0 | < 20 |
|
|
|
| G | 84 ± 66 | – | – | > 4.2 |
|
> 1.57 |
| H | 91 ± 78 | – | – | > 2.0 | < 1.26 | – |
| I | 75 ± 57 | – | – | > 1.1 | < 1.17 | – |
|
|
||||||
| 59 | 82 ± 13 |
|
44 |
|
|
|
| 61 | 94 ± 98 | – | – | > 0.3 | < 261.06 | – |
| 68 | 162 ± 92 | – | – | > 2.0 | < 1.26 | – |
| 69 | 58 ± 10 | – | 145 | > 5.2 |
|
> 1.97 |
| 71 | 144 ± 18 |
|
– |
|
|
|
| 82 | 158 ± 40 | ≥0 | – |
|
< 0.78 | < 2.05 |
| 98 | 158 ± 38 | – | – | > 2.7 | < 0.76 | – |
| 105 | 83 ± 23 | ≥0 | – |
|
|
|
| 110 | 64 ± 50 |
|
42 |
|
< 0.22 | < 0.18 |
| 119 | 80 ± 34 |
|
106 |
|
|
|
| 131 | 220 ± 63 | ≥0 | – |
|
|
|
| 227 | 64 ± 4 |
|
< 20 |
|
|
|
| 228 | 67 ± 14 | > 1.24 | 23 |
|
|
|
Notes. Column 1: MUSE ID for the COSMOS-Group 30. Alphabetic IDs correspond to apertures on diffuse gas, numeric IDs correspond to galaxies. Column 2: median velocity dispersion in km s-1. Column 3: extinction derived from the Balmer decrement. For five regions, line flux measurements lead to a negative extinction that remained compatible with a null extinction (≥ 0) given the uncertainties, however. Column 4: electron density in atoms cm-3. Columns 5−7: the three line diagnostics R23, O32, and [O iii]/Hβ, respectively.
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