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Table 1

Source sample.

Source RA (J2000.0) Dec V LSR L bol d Ref.
h m s ° ′ ′′ km s-1 L kpc

Mid-IR-quiet HMPOs
IRAS 05358+3543 05 39 13.1 +35 45 50 −17.6 6.3    ×    103 1.8 1, 1
IRAS 16272–4837 16 30 58.7 −48 43 55 −46.2 2.4    ×    104 3.4 2, 2
NGC 6334I(N) 17 20 55.2 −35 45 04 −4.5 1.9    ×    103 1.7 3, 4
W43 MM1 18 47 47.0 −01 54 28 +98.8 2.3    ×    104 5.5 5, 6
DR21(OH) 20 39 00.8 +42 22 48 −4.5 1.3    ×    104 1.5 7, 8
Mid-IR-bright HMPOs
W3 IRS5 02 25 40.6 +62 05 51 −38.4 1.7    ×    105 2.0 9, 10
IRAS 18089–1732 18 11 51.5 −17 31 29 +33.8 1.3    ×    104 2.3 11, 12
W33A 18 14 39.1 −17 52 07 +37.5 4.4    ×    104 2.4 11, 30
IRAS 18151–1208 18 17 58.0 −12 07 27 +32.0 2.0    ×    104 2.9 13, 13
AFGL 2591 20 29 24.7 +40 11 19 −5.5 2.2    ×    105 3.3 14, 8
Hot molecular cores
G327−0.6 15 53 08.8 −54 37 01 −45.0 5.0    ×    104 3.3 15, 16
NGC 6334I 17 20 53.3 −35 47 00 −7.7 2.6    ×    105 1.7 3, 4
G29.96−0.02 18 46 03.8 −02 39 22 +98.7 3.5    ×    105 6.0 17, 18
G31.41+0.31 18 47 34.3 −01 12 46 +98.8 2.3    ×    105 7.9 19, 20
Ultracompact Hii regions
G5.89−0.39 (W28A) 18 00 30.4 −24 04 02 +10.0 5.1    ×    104 1.3 21, 22
G10.47+0.03 18 08 38.2 −19 51 50 +67.0 3.7    ×    105 5.8 23, 20
G34.26+0.15 18 53 18.6 +01 14 58 +57.2 3.2    ×    105 3.3 24, 25
W51N-e1 19 23 43.8 +14 30 26 +59.5 1.0    ×    105 5.1 26, 27
NGC 7538-IRS1 23 13 45.3 +61 28 10 −57.4 1.3    ×    105 2.7 28, 29

Notes.The first reference is for the luminosity, the second for the distance. If the distance measurement is more recent than the luminosity estimate, the luminosity has been scaled to the new distance. The text uses “short” source names, which is the part preceding the + or − sign.

Reference. (1) Beuther et al. (2002); (2) Garay et al. (2002); (3) Sandell (2000); (4) Neckel (1978); (5) Nguyen Luong et al. (2011); (6) Lester et al. (1985); (7) Jakob et al. (2007); (8) Rygl et al. (2012); (9) Ladd et al. (1993); (10) Hachisuka et al. (2006); (11) Faúndez et al. (2004); (12) Xu et al. (2011); (13) Sridharan et al. (2002); (14) Van der Tak et al. (1999); (15) Urquhart et al. (2012); (16) Minier et al. (2009); (17) Cesaroni et al. (1998); (18) Pratap et al. (1999); (19) Mueller et al. (2002); (20) Churchwell et al. (1990); (21) Van der Tak et al. (2000) (22) Motogi et al. (2011); (23) Hunter et al. (2000); (24) Hatchell & van der Tak (2003) (25) Kuchar & Bania (1994); (26) Van Dishoeck et al. (2011); (27) Xu et al. (2009); (28) Sandell & Sievers (2004); (29) Moscadelli et al. (2009); (30) Immer et al. (2013).

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