Table 1
Target sources and observed species.
| Source | α | δ | vlsr | Obs. species | OD | Type |
|---|---|---|---|---|---|---|
| (J2000) | (J2000) | (km s−1) | detection | |||
| G10.47+0.03 | 18:08:38.20 | −19:51:50.0 | +66.8(a) | OD, OH | abs | UCHII, hot core(1,2,3) |
| G23.21−0.3 | 18:34:54.91 | − 08:49:19.2 | + 76.8(a) | OD | abs | quiescent |
| G34.26+0.15 | 18:53:18.49 | 01:14:58.7 | +58.1(a) | OD, OH, 18OH | abs | UCHII, hot core(1,3) |
| G34.41+0.2 | 18:53:18.13 | 01:25:23.7 | + 57.6(a) | OD | – | Quiescent |
| G35.20−0.7 | 18:58:12.93 | 01:40:40.6 | + 33.4(a) | OD, OH† | abs | Hot core(4) |
| W28A (G5.89−0.4) | 18:00:30.40 | −24:04:00.0 | +11.0(a) | OD, OH | Uncertain | UCHII, hot core(3) |
| W31C (G10.62) | 18:10:28.69 | − 19:55:50.0 | − 2.0(b) | OD, OH | abs | UCHII, hot core(1) |
| W33A | 18:14:39.52 | − 17:52:00.5 | + 36.7(a) | OD, OH(†) | – | UCHII, hot core(5,6) |
| W49N | 19:10:13.20 | 09:06:12.0 | +12.8(a) | OD, OH | Two comp. abs | UCHII, hot core(1,3) |
| W51e2 | 19:23:43.96 | 14:30:34.6 | + 58.2(a) | OD | Two comp. abs | UCHII, hot core (7) |
| W51d | 19:23:39.95 | 14:31:08.0 | + 58.2(a) | OD | – | UCHII(1,7) |
| G327.29−0.6 | 15:53:08.55 | −54:37:05.1 | − 44.7(a) | OD, OH | abs | Hot core (7) |
| G351.58−0.4 | 17:25:25.03 | −36:12:45.4 | − 95.9(a) | OD, OH, 18OH | abs | UCHII, hot core(7,8) |
Notes. Columns are, left to right, source designation, J2000 coordinates, LSR velocity, observed species, information on OD detection, and information on source type. (a) Based on C17O (J = 3–2) measurements with the APEX telescope from Giannetti et al. (2014) and Wyrowski et al. (2016). (b) Based on NH3 (1,1) measurements with the Effelsberg telescope from Wienen et al. (2012). (†) Only the excited OH lines have been observed.
References. (1)Purcell et al. (2013), (2)Rolffs et al. (2011b), (3)Hatchell et al. (1998), (4)Sánchez-Monge et al. (2013), (5)van der Tak & Menten (2005), (6)Immer et al. (2014), (7)Rolffs et al. (2011a), (8)Walsh et al. (1998).
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