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Table 1
Observed line surface brightness obtained from the SPIRE FTS spectra of Sgr B2(M), Sgr B2(N), and of the extended envelope at an offset (x′,y′) = (−1.24′,0′) from Sgr B2(M).
| Species | Transition | ν | Ωbeam(ν) | Sgr B2(M) | Sgr B2(N) | Extended envelope |
| (GHz) | (sr 10-8) | (W m-2 sr-1 10-8) | (W m-2 sr-1 10-8) | (W m-2 sr-1 10-8) | ||
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| [C i] | J = 1–0 | 492.06 | 12.6 | 2.1 ± 0.4 | 1.8 ± 0.2 | 1.1 ± 0.2 |
| [C i] | J = 2–1 | 809.41 | 8.62 | 5.5 ± 0.6 | 4.0 ± 0.7 | 5.0 ± 0.6 |
| CH+ | J = 1–0 | 835.45 | 8.89 | –36.1 ± 7.4 | –33.6 ± 4.7 | –7.0 ± 0.9 |
| CO | J = 4–3 | 461.02 | 14.2 | 4.6 ± 0.9 | 3.8 ± 0.6 | 5.1 ± 0.6 |
| CO | J = 5–4 | 576.39 | 9.54 | 9.2 ± 2.01 | 5.5 ± 0.7 | 6.8 ± 0.7 |
| CO | J = 6–5 | 691.51 | 8.06 | 18 ± 3.9 | 7.2 ± 1.2 | 8.9 ± 1.3 |
| CO | J = 7–6 | 806.65 | 8.59 | 22 ± 4 | 8.9 ± 1.3 | 11.3 ± 1.3 |
| CO | J = 8–7 | 921.77 | 9.92 | 34 ± 7 | 15.1 ± 2.0 | 10.7 ± 1.6 |
| CO | J = 9–8 | 1036.88 | 2.50 | 40 ± 8 | 20 ± 6 | 6.4 ± 1.9 |
| CO | J = 10–9 | 1152.47 | 2.17 | 53 ± 9 | 27 ± 7 | 4.2 ± 1.0 |
| CO | J = 11–10 | 1267.09 | 2.08 | 60 ± 10 | 26.0 ± 8.4 | 1.6 ± 0.5 |
| CO | J = 12–11 | 1381.99 | 2.13 | 52 ± 10 | 30.1 ± 7.7 | 0.8 ± 0.2 |
| CO* | J = 14–13 | 1611.8 | 2.34 | 30 ± 6 | 16 ± 3 | ... |
| CO* | J = 15–14 | 1726.6 | 2.33 | 20 ± 5 | 12 ± 3 | ... |
| CO* | J = 16–15 | 1841.3 | 2.14 | 13 ± 3 | 7.6 ± 1.6 | ... |
| 13CO | J = 5–4 | 551.11 | 10.3 | 4.0 ± 0.8 | 2.4 ± 0.3 | 0.7 ± 0.1 |
| 13CO | J = 6–5 | 661.20 | 8.20 | 6.2 ± 0.9 | 3.6 ± 0.7 | 1.1 ± 0.2 |
| 13CO | J = 7–6 | 771.19 | 8.28 | 9.7 ± 1.8 | 5.5 ± 1.1 | 1.0 ± 0.2 |
| 13CO | J = 8–7 | 881.23 | 9.43 | 12.5 ± 2.6 | 6.4 ± 0.7 | 0.8 ± 0.1 |
| 13CO | J = 9–8 | 991.50 | 2.71 | 15 ± 4 | 7.3 ± 2.3 | ... |
| 13CO | J = 10–9 | 1100.62 | 2.28 | 8.6 ± 2.8 | 9.2 ± 2.4 | ... |
| 13CO | J = 11–10 | 1211.00 | 2.10 | 35.8 ± 9.6 | 22.6 ± 6.3 | ... |
| 13CO | J = 12–11 | 1321.40 | 2.09 | 11 ± 3 | 6.3 ± 1.9 | ... |
| 13CO | J = 13–12 | 1431.64 | 2.18 | 10.6 ± 2.7 | 3.5 ± 1.1 | ... |
| CS | 12–11 | 587.6 | 9.27 | 1.6 ± 0.2 | 3.5 ± 0.4 | ... |
| HCN | J = 8–7 | 708.71 | 8.04 | 3.3 ± 0.6 | 3.2 ± 0.5 | ... |
| HCN | J = 9–8 | 797.43 | 8.50 | 2.0 ± 0.4 | 1.9 ± 0.4 | 0.6 ± 0.1 |
| HCN | J = 10–9 | 886.84 | 9.50 | 3.2 ± 0.3 | 3.4 ± 0.5 | 1.0 ± 0.1 |
| HCO+ | J = 6–5 | 535.0 | 10.8 | 1.5 ± 0.3 | ... | ... |
| HCO+ | J = 7–6 | 623.96 | 8.61 | 2.5 ± 0.3 | 1.5 ± 0.2 | ... |
| HCO+ | J = 8–7 | 713.26 | 8.04 | 2.4 ± 0.3 | 2.3 ± 0.4 | ... |
| HF | J = 1–0 | 1232.86 | 2.08 | –179 ± 59 | –160 ± 40 | –12 ± 3 |
| H2O | 11,0–10,1 | 557.18 | 10.0 | –5.1 ± 0.7 | –6.2 ± 0.7 | –1.0 ± 0.2 |
| H2O | 21,1–20,2 | 751.95 | 8.16 | 8.5 ± 1.3 | 4.0 ± 0.6 | 1.9 ± 0.2 |
| H2O | 31,2–30,3 | 1097.38 | 2.29 | 25.7 ± 8.1 | 5.2 ± 1.6 | ... |
| H2O | 11,1–00,0 | 1113.68 | 2.25 | –163 ± 55 | –161 ± 53 | –18 ± 6 |
| H2O | 32,1–31,2 | 1163.11 | 2.15 | 40 ± 10 | 13.6 ± 3.9 | 2.1 ± 0.6 |
| H2O | 42,2–41,3 | 1207.42 | 2.10 | 30 ± 8 | 13.2 ± 3.9 | ... |
| H2O | 22,0–21,1 | 1228.80 | 2.09 | 16.5 ± 4.4 | 7.3 ± 2.3 | 1.0 ± 0.3 |
| H2O | 52,3–51,4 | 1410.76 | 2.19 | 18.7 ± 5.1 | 5.4 ± 1.4 | ... |
| H2O+ | 11,1–00,0 | 1139.56 | 2.19 | –118 ± 38 | –116 ± 34 | –7 ± 2 |
| H2S | 22,1–21,2 | 505.56 | 1.19 | 1.5 ± 0.2 | ... | ... |
| H2S | 21,2–10,1 | 736.35 | 8.09 | –9.9 ± 1.6 | –14.2 ± 1.7 | –1.2 ± 0.2 |
| [N ii] | 1462.26 | 2.21 | 76 ± 21 | 61 ± 20 | 5.0 ± 1 | |
| NH | 10–01 | 946.56 | 10.2 | –30.0 ± 7.6 | –32 ± 9 | –4.8 ± 1.5 |
| NH | 12–01 | 974.60 | 2.80 | –58.8 ± 15.4 | –57.6 ± 18.0 | –7.4 ± 2.3 |
| NH | 12–01 | 974.66 | 2.80 | –81.7 ± 24.1 | –87.9 ± 25.6 | –5.7 ± 1.6 |
| NH | 11–01 | 1000.15 | 2.66 | –87.8 ± 28.0 | –93.4 ± 26.9 | –7.7 ± 2.2 |
| NH2 | 21,1–20,2 | 648.68 | 8.31 | 1.3 ± 0.2 | ... | ... |
| NH2 | 20,2–11,1 | 902.42 | 9.70 | –9.6 ± 1.3 | –16.4 ± 2.3 | –1.9 ± 0.4 |
| NH2 | 11,1–00,0 | 952.79 | 2.93 | –52.0 ± 8.0 | –51.1 ± 6.6 | –8.9 ± 1.8 |
| NH2 | 959.75 | 2.88 | –43.0 ± 7.1 | –41.7 ± 5.8 | –8.2 ± 0.9 | |
| NH2 | 11,1–00,0 | 959.68 | 2.88 | –73.0 ± 8.6 | –76.4 ± 15.0 | –5.5 ± 1.1 |
| NH2 | 22–21 | 1383.44 | 2.13 | –68.3 ± 17.8 | –56.5 ± 17.8 | –114 ± 36 |
| NH2 | 21–10 | 1444.10 | 2.19 | –131 ± 34 | –124 ± 34 | –6.8 ± 1.9 |
| NH2 | 21–10 | 1447.72 | 2.19 | –115 ± 36 | –119 ± 30 | ... |
| NH3 | 21, −1–11,1 | 1215.40 | 2.09 | –77.6 ± 22.2 | –97.8 ± 30.5 | –4.5 ± 1.4 |
| OH+ | 10,1–01,2 | 909.45 | 9.77 | –32.1 ± 4.3 | –29.9 ± 4.2 | –5.4 ± 0.8 |
| OH+ | 12,2–01,1 | 972.0 | 2.81 | –104 ± 33 | –101 ± 33 | –8.0 ± 2.6 |
| OH+ | 11,2–01,2 | 1033.12 | 2.51 | –129 ± 33 | –121.7 ± 40.5 | –10.0 ± 3.3 |
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