Table 4
Column density values obtained using the two methods (CASSIS HFS and CLASS HFS) for 15NNH+, N15NH+ and N2H+.
| Line | Region | NTOT | |
|---|---|---|---|
| [cm−2] | |||
| CASSIS HFS | CLASS HFS | ||
| 15NNH+ | E region | (3.0 ) × 1011 |
(4.3 ± 0.6) × 1011 |
| NW region | (5.0 ) × 1011 |
(5.3 ± 0.7) × 1011 | |
| NE region | (3.1 ) × 1011 |
(3.8 ± 0.5) × 1011 | |
| S region | (3.9 ) × 1011 |
(4.9 ± 0.7) × 1011 | |
| N15NH+ | E region | (4.0 ) × 1011 |
(3.7 ± 0.3) × 1011 |
| NW region | (4.3 ) × 1011 |
(3.8 ± 0.6) × 1011 | |
| NE region | (2.4 ) × 1011 |
(3.6 ± 0.5) × 1011 | |
| S region | (4.25 ) × 1011 |
(6.1 ± 0.8) × 1011 | |
| N2H+ | E region | (8.2 ) × 1013 |
(8.9 ± 0.9) × 1013 |
| NW region | (1.21 ) × 1014 |
(1.7 ± 0.7) × 1014 | |
| NE region | (1.1 ) × 1014 |
(1.3 ± 0.1) × 1014 | |
| S region | (1.4 ) × 1014 |
(1.6 ± 0.2) × 1014 | |
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