Table 6
Observed properties of detected HCN transitions in vibrationally excited states.
| Source name | J | (v1, v2, v3) | ∫ TmbdV (Kkm s−1) | Δv (km s−1) | VLSR (km s−1) | VLSR range (km s−1) | Comments |
|---|---|---|---|---|---|---|---|
| IRC+10216 | 2−1 | (0, 0, 1) | 0.85 (0.03) | 18.4 (2.5) | −28.7 (0.8) | [−37.3, −14.2] | |
| (0, 11e, 0) | 66.54 (0.06) | 8.0 (0.0) | −27.6 (0.0) | [−37.7, −12.8] | maser | ||
| (0, 31e, 0) | 0.39 (0.05) | 10.8 (1.6) | −26.3 (0.7) | [−36.8,−16.4] | |||
| (0, 11f, 0) | 7.36 (0.06) | 15.0 (0.1) | −26.2 (0.0) | [−44.0, −9.3] | maser | ||
| (0, 2, 0) | 1.42 (0.05) | 12.6 (0.5) | −26.3 (0.2) | [−40.7, −13.8] | |||
| 3−2 | (1, 0, 0) | 0.51 (0.06) | – | – | [−45.7, −12.8] | blended(a) | |
| (0, 0, 1) | 2.6 (0.03) | 15.7 (0.5) | −26.4 (0.2) | [−40.7, −9.3] | |||
| (0, 11e, 0) | 23.84 (0.3) | 17.8 (0.6) | −25.04 (0.3) | [−42.7, −7.3] | maser + c | ||
| (0, 31e, 0) | 1.16 (0.05) | 9.4 (0.6) | −26.9 (0.2) | [−38.0, −15.7] | |||
| (0, 22f , 0) | 2.95 (0.05) | 17.91 (1.2) | −28.3 (0.4) | [−34.4, −4.5] | blended(b) | ||
| (0, 22e, 0) | 2.05 (0.05) | 18.43 (0.8) | −27.7 (0.4) | [−43.0, −23.0] | blended(b) | ||
| (0, 11f, 0) | 20.24 (0.1) | 16.52 (0.2) | −27.53 (0.08) | [−41.5,−8.5] | maser + c | ||
| (0, 2, 0) | 13.5 (0.07) | – | – | [−41.3, −8.8] | blended(c) | ||
| (0, 31f, 0) | 0.65 (0.06) | 9.3 (1.0) | −26.2 (0.5) | [−37.1, −17.3] | |||
| 4−3 | (0, 11e, 0) | 36.45 (0.08) | 19.0 (0.05) | −24.8 (0.02) | [−42.0, −9.3] | ||
| (0, 31e, 0) | 1.06 (0.07) | 13.6 (1.4) | −24.12 (0.5) | [−36.1, −12.7] | |||
| (0, 22f , 0) | 3.23 (0.09) | 14.35 (0.6) | −25.6 (0.2) | [−36.6, −15.4] | blended(d) | ||
| (0, 22e, 0) | 3.5 (0.08) | 13.5 (0.5) | −26.5 (0.2) | [−37.3, −17.2] | blended(d) | ||
| (0, 11f, 0) | 70.41 (0.12) | 22.5 (0.04) | −25.4 (0.0) | [−42.8, 0.2] | maser + c | ||
| (0, 2, 0) | 5.8 (0.09) | 16.5 (0.4) | −23.9 (0.1) | [−39.5, −9.3] | |||
| (0, 33e, 0) | 1.10 (0.09) | 11.6 (1.1) | −25.8 (0.5) | [−37.9, −15.8] | blended(d) | ||
| (0, 33f , 0) | 1.09 (0.1) | 11.6 (1.1) | −25.8 (0.5) | [−39.6, −15.1] | blended(d) | ||
| RAFGL4211 | 2−1 | (0, 11e, 0) | 7.66 (0.09) | 8.97 (0.07) | −5.42 (0.03) | [−16.9, 10.5] | maser |
| 3−2 | (0, 11e, 0) | 0.62 (0.02) | – | – | [−20.0, 20.0] | blended(e) | |
| (0, 31e, 0) | 0.28 (0.01) | 0.89 (0.02) | −2.37 (0.01) | [−6.7, 2.9] | maser | ||
| (0, 11f, 0) | 0.51 (0.03) | 24.30 (1.4) | −2 (0.7) | [−21.6, 27.8] | |||
| (0, 2, 0) | 0.5 (0.02) | 14.9 (1.7) | −3.4 (0.4) | [−31.6, 16.8] | maser | ||
| 4−3 | (0, 11e, 0) | 0.62 (0.02) | 24.41 (0.9) | −5.83 (0.4) | [−5.7, −1.0] | maser + c | |
| (0, 11f, 0) | 1.82 (0.08) | 26.7 (1.3) | −2.5 (0.6) | [−29.6, 30.9] | blended(f) | ||
| II Lup | 2−1 | (0, 11e, 0) | 9 71 (0 3) | 9.3 (0.13) | −17.51 (0.06) | [−27.9, −1.7] | maser |
| 3−2 | (0, 11e, 0) | 0.82 (0.03) | – | – | [−30.0, 20.0] | blended(e) | |
| (0, 11f, 0) | 0.43 (0.03) | 20.06 (1.2) | −14.0 (0.6) | [−37.9, 9.0] | |||
| (0, 2, 0) | 0.35 (0.03) | – | – | [−45.4, 9.3] | blended(c) | ||
| 4−3 | (0, 11e, 0) | 1.48 (0.07) | – | – | [−30.0, 12.0] | blended(e) | |
| (0, 11f, 0) | 5.27 (0.08) | 25.6 (0.59) | −19.03 (0.25) | [−34.0, 13.4] | maser + c | ||
| R Vol | 2−1 | (0, 11e, 0) | 0.86 (0.03) | 3.85 (0.11) | −12.99 (0.05) | [−22.7, −1.4] | maser |
| (0, 11f, 0) | 0.19 (0.06) | 5.06 (1.6) | −12.87 (0.49) | [−32.7, 0.0] | maser | ||
| 3−2 | (0, 11e, 0) | 0.25 (0.03) | 4.8 (0.5) | −14.3 (0.23) | [−21.1, −8.7] | maser | |
| 4−3 | (0, 11e, 0) | 0.25 (0.03) | 4.2 (0.9) | −11.9 (0.3) | [−18.2, −6.2] | maser | |
| AQ Sgr | 3−2 | (0, 11e, 0) | 0.09 (0.01) | 7.7 (1.3) | 21.5 (0.5) | [13.4, 30.1] | maser |
| CRL 3068 | 2−1 | (0, 11e, 0) | 5.84 (0.02) | 10.1 (0.04) | −34.1 (0.02) | [−46.6, −16.2] | maser |
| (0, 11f, 0) | 0.45 (0.03) | 12.1 (0.9) | −29.4 (0.4) | [−40.3, −19.8] | |||
| 3−2 | (0, 0, 1) | 0.19 (0.01) | 16.1 (1.7) | −30.18 (0.8) | [−48.2, −14.8] | ||
| (0, 11e, 0) | 1.31 (0.02) | 15.5 (0.7) | −29.6 (0.4) | [−47.0, −16.0] | |||
| (0, 11f, 0) | 1.25 (0.01) | 14.36 (0.4) | −31.4 (0.03) | [−45.9, −17.1] | |||
| (0, 2, 0) | 0.59 (0.02) | 17.3 (0.8) | −30.7 (0.3) | [−45.5, −15.8] | |||
| 4−3 | (0, 11e, 0) | 3.0 (0.04) | 15.9 (0.3) | −30.6 (0.1) | [−46.3, −15.5] | ||
| (0, 22f , 0) | 0.44 (0.04) | 13.8 (1.6) | −30.2 (0.7) | [−40.1, −20.6] | blended(d) | ||
| (0, 22e, 0) | 0.56 (0.04) | 14.6 (1.3) | −31.0 (0.6) | [−40.1, −21.1] | blended(d) | ||
| (0, 11f, 0) | 10.23 (0.03) | 19.8 (0.1) | −34.8 (0.04) | [−45.9, −16.9] | maser + c | ||
| (0, 2, 0) | 0.63 (0.05) | 15.3 (1.2) | −31.1 (0.5) | [−50.0, −10.0] | |||
| IRC+30374 | 2−1 | (0, 11e, 0) | 1.01 (0.1) | 14.4 (2.4) | −15.8 (1.1) | [−24.4, −7.5] | blended(e) |
| V636 Mon | 2−1 | (0, 11e, 0) | 0.2 (0.02) | 5.1 (1.5) | 6.2 (0.4) | [2.7, 12.7] | maser |
| IRC+20370 | 2−1 | (0, 11e, 0) | 1.14 (0.04) | 5.7 (0.2) | −1.9 (0.08) | [−7.1, 5.08] | maser |
| 3−2 | (0, 11e, 0) | 0.86 (0.03) | 8.3 (0.4) | −2.5 (0.15) | [−9.9, 6.1] | maser | |
| W Ori | 2−1 | (0, 11e, 0) | 1.84 (0.04) | 4.25 (0.08) | −0.08 (0.03) | [−10.3, 8.3] | maser |
| 3−2 | (0, 11e, 0) | 2.03 (0.01) | 6.04 (0.04) | −1.15 (0.01) | [−12.0, 9.6] | maser | |
| (0, 11f, 0) | 0.13 (0.01) | 5.71 (0.7) | −1.51 (0.23) | [−9.3, 7.6] | |||
| 4−3 | (0, 11e, 0) | 0.53 (0.02) | 6.19 (0.28) | −1.18 (0.12) | [−7.9, 8.3] | maser | |
| (0, 11f, 0) | 0.25 (0.03) | 8.7 (1.0) | −1.25 (0.43) | [−10.3, 10.7] | |||
| S Aur | 2−1 | (0, 11e, 0) | 1.42 (0.07) | 5.21 (0.2) | −16.61 (0.09) | [−25.0, −3.9] | maser |
| 3−2 | (0, 11e, 0) | 0.55 (0.07) | 7.7 (2.3) | −16.88 (0.62) | [−25.9, −8.4] | ||
| (0, 0, 1) | 0.024 (0.003) | 0.19 (0.04) | −17.15 (0.02) | [−19.5, −15.1] | |||
| V Aql | 3−2 | (0, 11e, 0) | 0.4 (0.03) | 5.0 (0.51) | 55.31 (0.19) | [41.8, 62.0] | maser |
| RV Aqr | 2−1 | (0, 11e, 0) | 1.11 (0.01) | 4.02 (0.05) | −1.0 (0.02) | [−5.2, 7.6] | maser |
| (0, 11f, 0) | 0.17 (0.03) | 3.1 (0.4) | −1.1 (0.2) | [−6.2, 5.5] | maser | ||
| 3−2 | (0, 11e, 0) | 1.09 (0.02) | 3.63 (0.09) | −1.0 (0.03) | [−7.4, 4.8] | maser | |
| 4−3 | (0, 11e, 0) | 0.53 (0.1) | 7.3 (1.0) | −0.16 (0.4) | [−5.7, 4.0] |
Notes. The integrated intensities (∫ TmbdV) are calculated by integrating over the intensities within the LSR velocity range of the detection, whereas the line widths (ΔV) and velocity centroids (VLSR) are obtained from a Gaussian fit. The last column gives our interpretation on the properties of the emission: ‘maser’ indicates that the line profile is dominated by maser emission; ‘maser + c’ indicates that the maser is contaminated with a thermal component; and ‘blended’ indicates that the line may be blended with another line.(a) J = 3−2 (1, 0, 0): potentially blended with another unspecified line (IRC +10216; Cernicharo et al. 2011). (b) J = 3−2 (0,22e,0) and (0,22f ,0): two l-type doublet components blended with each other and multiple lines of C4H, C3N, and 13CCCN (IRC +10216; He et al. 2017). (c) J = 3−2 (0,2,0): potentially blended with 29SiS (15−14) at 267242.2178 MHz (IRC +10216 and II Lup; Cernicharo et al. 2011; He et al. 2017).(d)Two l-type doublet components blended with each other.(e)υ2 = 11e line blended with the corresponding ground-state emission.(f) J = 4−3 (0, 11f, 0): potentially blended with 29SiS (20−19) at 356242.4290 MHz (RAFGL 4211 only).
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