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Table 1

Source sample.

Source(a) RA (J2000.0) Dec Lbol d Menv Distance
hh mm ss.s °′ ″ L kpc M reference
Mid-IR-quiet HMPOs(b)
IRAS 05358+3543 05 39 13.1 +35 45 50 6.3 × 103 1.8 142 (1)
IRAS 16272–4837 16 30 58.7 −48 43 55 2.4 × 104 3.4 2170 (1)
NGC 6334I(N) 17 20 55.2 −35 45 04 1.1 × 103 1.3 2237 (5)
W43 MM1 18 47 47.0 −01 54 28 1.8 × 104 5.5 5992 (2)
DR21(OH) 20 39 00.8 +42 22 48 1.3 × 104 1.5 472 (1)
Mid-IR-bright HMPOs
W3 IRS5 02 25 40.6 +62 05 51 1.7 × 105 2.0 424 (1)
IRAS 18089–1732 18 11 51.5 −17 31 29 1.3 × 104 2.3 172 (1)
W33A 18 14 39.1 −17 52 07 4.4 × 104 2.4 700 (1)
IRAS 18151–1208 18 17 58.0 −12 07 27 2.0 × 104 2.9 153 (1)
AFGL 2591 20 29 24.7 +40 11 19 2.2 × 105 3.3 363 (1)
Hot molecular cores
G327−0.6 15 53 08.8 −54 37 01 4.4 × 104 3.1 1804 (6)
NGC 6334I 17 20 53.3 −35 47 00 1.5 × 105 1.3 439 (5)
G29.96−0.02 18 46 03.8 −02 39 22 2.7 × 105 5.3 599 (2)
G31.41+0.31 18 47 34.3 −01 12 46 8.8 × 104 4.9 1142 (2)
Ultracompact HII regions
G5.89−0.39 (W28A) 18 00 30.4 −24 04 02 5.1 × 104 1.3 140 (1)
G10.47+0.03 18 08 38.2 −19 51 50 8.1 × 105 8.6 2568 (3)
G34.26+0.15 18 53 18.6 +01 14 58 7.5 × 104 1.6 421 (4)
W51N-e1 19 23 43.8 +14 30 26 1.1 × 105 5.4 5079 (7)
NGC 7538-IRS1 23 13 45.3 +61 28 10 1.3 × 105 2.7 433 (1)

Notes. (a) The textuses “short” source names, which is the part preceding the + or − sign. (b) High-Mass Protostellar Objects.

References. (1) Van der Tak et al. (2013); (2) Zhang et al. (2014); (3) Sanna et al. (2014); (4) Kurayama et al. (2011); Xu et al. (2016); (5) Wu et al. (2014); (6) Wienen et al. (2015); (7) Sato et al. (2010).

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