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Table 5
HCN line equivalent widths, fluxes, and velocity shifts.
| NGC 4418 | Arp 220 | ||||||
| Line | λ | W eq a | Fluxa | V shifta,b | W eq a | Fluxa | V shifta,b |
| (μm) | (km s-1) | (10-21 W cm-2) | (km s-1) | (km s-1) | (10-21 W cm-2) | (km s-1) | |
|
|
|||||||
| HCN 25 → 24 | 135.626 | 5.8(1.8) | −0.9(0.3) | −20(43) | |||
| HCN 23 → 22 | 147.365 | 9.4(1.9) | −1.1(0.2) | 69(23) | |||
| HCN 22 → 21 | 154.037 | 12.3(1.6) | −1.3(0.2) | 19(35) | 4.3(2.0) | −2.3(1.1) | −35(58) |
| HCN 21 → 20c | 161.346 | 14.7(2.7) | −1.5(0.3) | 7(21) | 9.6(1.5) | −4.5(0.7) | −53(45) |
| HCN 20 → 19 | 169.386 | 12.7(2.7) | −1.0(0.2) | −6(20) | |||
| HCN 19 → 18 | 178.274 | 11.0(3.8) | −0.8(0.3) | 21(27) | 3.8(2.0) | −1.2(0.6) | 24(72) |
| HCN 18 → 17 | 188.151 | 21.0(5.4) | −0.9(0.2) | −16(20) | 15.2(3.2) | −3.1(0.6) | −100(37) |
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