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Table 1

Observed sources.

Source RA (J2000) h:m:s Dec (J2000) VLSR(a) (km s−1) Acronym(b)
HMSC

I00117−MM2 00:14:26.3 +64:28:28 −36.3 00117b
AFGL5142−EC (w) 05:30:48.7 +33:47:53 −3.9 AFGLa
05358−mm3 (w) 05:39:12.5 +35 45 55 −17.6 05358a
I20293−WC 20:31:10.7 +40:03:28 +6.3 20293a
I22134−B 22:15:05.8 +58:48:59 −18.3 22134b

HMPO

I00117−MM1 00:14:26.1 +64:28:44 −36.3 00117a
05358−mm1 05:39:13.1 +35:45:51 −17.6 05358b
18 517+0437 18:54:14.2 +04:41:41 +43.7 18 517
I21307 21:32:30.6 +51:02:16 −46.7−50.5 21 307
I23385 23:40:54.5 +61:10:28 23 385

UCHII

G75−core(c) 20:21:44.0 +37:26:38 +0.2 G75
19410+2336 19:43:11.4 +23:44:06 +22.4 19410
I22134−VLA1 22:15:09.2 +58:49:08 −18.3 22 134
23 033+5951 23:05:24.6 +60:08:09 −53.0 23 033
NGC7538−IRS9 23:14:01.8 +61:27:20 −57.0 NGC 7538

Notes. (a)Velocity at which we centred the spectra, corresponding to the systemic velocity.(b) Acronym used in this paper. (c)Hyper-compact HII region. (w)“warm” (T ≥ 20 K) HMSCs externally heated (Fontani etal. 2011).

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