Table 1: Sample of candidate massive YSOs. Column 1: IRAS point source catalogue number; Col. 2: Name corresponding H II region; Col. 3: Number K-band point source (Kaper et al. 2006); Cols. 4, 5: right ascension and declination; Cols. 6, 7: K and J-K(from Kaper et al. 2006); Col. 8: $A_{\rm V}$ applied to deredden the sources (see text); Cols. 9, 10: Resulting absolute K-band magnitude and intrinsic $(J-K)_{\rm0}$ ; Col. 11: Adopted distance with in between brackets the reference: B96: Bronfman et al. (1996) with the galactic rotation model of Brand & Blitz (1993), C87: Caswell & Haynes (1987) C91: Chini & Neckel (1981), C95: Carpenter et al. (1995), F02: Figuerêdo et al. (2002), K89: Koempe et al. (1989), K94: Kurtz et al. (1994), K01: Karnik et al. (2001), Kpc: Kurtz, private communication, L92: Liseau et al. (1992), S90: Simpson & Rubin (1990), T91: Tapia (1991), W89: Wood & Churchwell (1989b), W97: Walsh et al. (1997).
IRAS H II REGION nr $\alpha$ (2000) $\delta$ (2000) K J-K $A_{\rm V}$ $K_{\rm0}$ $J-K_{\rm0}$ d (kpc)

06058+2138 AFGL 5180 227 06:08:54.8 21:38:49.1 10.7 $\pm$ 0.03 >7.0 9 -2.0 5.5 2.2 (K89)

06058+2138 AFGL 5180 221 06:08:55.1 21:37:55.5 10.7 $\pm$ 0.03 3.8 $\pm$ 0.11 9 -2.0 2.3 2.2 (K89)

06061+2151 AFGL 5182 676 06:09:07.0 21:50:31.8 13.3 $\pm$ 0.08 4.2 $\pm$ 0.50 13 0.1 2.0 2.2 (C95)

06084-0611 GGD 14 118 06:10:50.3 -06:11:57.6 10.8 $\pm$ 0.03 4.2 $\pm$ 0.14 17 -1.1 1.3 1.0 (K94)

06084-0611 GGD 14 114 06:10:50.3 -06:11:19.4 9.3 $\pm$ 0.01 4.7 $\pm$ 0.08 17 -2.6 1.8 1.0 (K94)

06412-0105 121 06:43:48.4 -01:08:20.6 10.2 $\pm$ 0.02 1.8 $\pm$ 0.04 11 -5.3 0.0 7.3 (Kpc)

07299-1651 DG 121 598 07:32:11.7 -16:58:32.9 11.2 $\pm$ 0.03 1.6 $\pm$ 0.06 10 -0.7 -0.1 1.4 (W97)

07299-1651 DG 121 618 07:32:09.8 -16:58:14.7 9.4 $\pm$ 0.01 4.8 $\pm$ 0.09 14 -2.9 2.4 1.4 (W97)

07299-1651 DG 121 43 07:32:09.8 -16:58:14.6 9.4 $\pm$ 0.01 4.7 $\pm$ 0.09 14 -2.9 2.3 1.4 (W97)

07299-1651 DG 121 314 07:32:09.6 -16:58:13.8 11.5 $\pm$ 0.03 >6.0 14 -0.8 3.6 1.4 (W97)

08576-4334 292 08:59:21.6 -43:45:31.6 9.4 $\pm$ 0.01 2.4 $\pm$ 0.03 12 -1.2 0.4 0.7 (L92)

08576-4334 408 08:59:28.4 -43:46:03.6 7.3 $\pm$ 0.01 3.1 $\pm$ 0.02 12 -3.3 1.1 0.7 (L92)

11097-6102 NGC 3576 1218 11:11:53.3 -61:18:22.0 8.4 $\pm$ 0.01 5.6 $\pm$ 0.09 17 -5.8 2.7 2.8 (F02)

11097-6102 NGC 3576 693 11:11:54.6 -61:18:23.4 9.2 $\pm$ 0.01 3.4 $\pm$ 0.04 17 -4.4 0.5 2.8 (F02)

15411-5352 1955 15:44:59.5 -54:02:19.2 7.9 $\pm$ 0.01 4.3 $\pm$ 0.03 15 -6.0 1.8 2.8 (B96)

16164-5046 3636 16:20:11.3 -50:53:25.2 9.5 $\pm$ 0.02 >8.1 13 -4.8 5.9 3.6 (K01)

16571-4029 RCW 116B 1281 17:00:34.5 -40:33:40.5 9.3 $\pm$ 0.01 2.5 $\pm$ 0.06 16 -2.7 1.5 1.0 (C87)

17136-3617 GM 1-24 649 17:17:01.5 -36:20:57.7 9.5 $\pm$ 0.01 3.8 $\pm$ 0.06 21 -4.4 0.3 2.0 (T91)

17258-3637 593 17:29:16.1 -36:40:07.0 9.6 $\pm$ 0.01 5.5 $\pm$ 0.17 16 -4.0 2.8 2.3 (B96)

18006-2422 M 8 766 18:03:40.3 -24:22:39.6 9.4 $\pm$ 0.01 2.8 $\pm$ 0.04 7 -2.7 1.7 1.9 (C91)

18507+0110 AFGL 2271 248 18:53:21.5 01:14:00.1 10.3 $\pm$ 0.02 5.4 $\pm$ 0.18 27 -5.6 0.9 3.7 (W89)

**Table 1:** Sample of candidate massive YSOs. Column 1: IRAS point source catalogue number; Col. 2: Name corresponding H II region; Col. 3: Number K-band point source (Kaper et al. 2006); Cols. 4, 5: right ascension and declination; Cols. 6, 7: K and J-K(from Kaper et al. 2006); Col. 8: $A_{\rm V}$ applied to deredden the sources (see text); Cols. 9, 10: Resulting absolute K-band magnitude and intrinsic $(J-K)_{\rm0}$ ; Col. 11: Adopted distance with in between brackets the reference: B96: Bronfman et al. (1996) with the galactic rotation model of Brand & Blitz (1993), C87: Caswell & Haynes (1987) C91: Chini & Neckel (1981), C95: Carpenter et al. (1995), F02: Figuerêdo et al. (2002), K89: Koempe et al. (1989), K94: Kurtz et al. (1994), K01: Karnik et al. (2001), Kpc: Kurtz, private communication, L92: Liseau et al. (1992), S90: Simpson & Rubin (1990), T91: Tapia (1991), W89: Wood & Churchwell (1989b), W97: Walsh et al. (1997).
IRAS	H II REGION	nr	$\alpha$ (2000)	$\delta$ (2000)	K	J-K	$A_{\rm V}$	$K_{\rm0}$	$J-K_{\rm0}$	d (kpc)
06058+2138	AFGL 5180	227	06:08:54.8	21:38:49.1	10.7 $\pm$ 0.03	>7.0	9	-2.0	5.5	2.2 (K89)
06058+2138	AFGL 5180	221	06:08:55.1	21:37:55.5	10.7 $\pm$ 0.03	3.8 $\pm$ 0.11	9	-2.0	2.3	2.2 (K89)
06061+2151	AFGL 5182	676	06:09:07.0	21:50:31.8	13.3 $\pm$ 0.08	4.2 $\pm$ 0.50	13	0.1	2.0	2.2 (C95)
06084-0611	GGD 14	118	06:10:50.3	-06:11:57.6	10.8 $\pm$ 0.03	4.2 $\pm$ 0.14	17	-1.1	1.3	1.0 (K94)
06084-0611	GGD 14	114	06:10:50.3	-06:11:19.4	9.3 $\pm$ 0.01	4.7 $\pm$ 0.08	17	-2.6	1.8	1.0 (K94)
06412-0105		121	06:43:48.4	-01:08:20.6	10.2 $\pm$ 0.02	1.8 $\pm$ 0.04	11	-5.3	0.0	7.3 (Kpc)
07299-1651	DG 121	598	07:32:11.7	-16:58:32.9	11.2 $\pm$ 0.03	1.6 $\pm$ 0.06	10	-0.7	-0.1	1.4 (W97)
07299-1651	DG 121	618	07:32:09.8	-16:58:14.7	9.4 $\pm$ 0.01	4.8 $\pm$ 0.09	14	-2.9	2.4	1.4 (W97)
07299-1651	DG 121	43	07:32:09.8	-16:58:14.6	9.4 $\pm$ 0.01	4.7 $\pm$ 0.09	14	-2.9	2.3	1.4 (W97)
07299-1651	DG 121	314	07:32:09.6	-16:58:13.8	11.5 $\pm$ 0.03	>6.0	14	-0.8	3.6	1.4 (W97)
08576-4334		292	08:59:21.6	-43:45:31.6	9.4 $\pm$ 0.01	2.4 $\pm$ 0.03	12	-1.2	0.4	0.7 (L92)
08576-4334		408	08:59:28.4	-43:46:03.6	7.3 $\pm$ 0.01	3.1 $\pm$ 0.02	12	-3.3	1.1	0.7 (L92)
11097-6102	NGC 3576	1218	11:11:53.3	-61:18:22.0	8.4 $\pm$ 0.01	5.6 $\pm$ 0.09	17	-5.8	2.7	2.8 (F02)
11097-6102	NGC 3576	693	11:11:54.6	-61:18:23.4	9.2 $\pm$ 0.01	3.4 $\pm$ 0.04	17	-4.4	0.5	2.8 (F02)
15411-5352		1955	15:44:59.5	-54:02:19.2	7.9 $\pm$ 0.01	4.3 $\pm$ 0.03	15	-6.0	1.8	2.8 (B96)
16164-5046		3636	16:20:11.3	-50:53:25.2	9.5 $\pm$ 0.02	>8.1	13	-4.8	5.9	3.6 (K01)
16571-4029	RCW 116B	1281	17:00:34.5	-40:33:40.5	9.3 $\pm$ 0.01	2.5 $\pm$ 0.06	16	-2.7	1.5	1.0 (C87)
17136-3617	GM 1-24	649	17:17:01.5	-36:20:57.7	9.5 $\pm$ 0.01	3.8 $\pm$ 0.06	21	-4.4	0.3	2.0 (T91)
17258-3637		593	17:29:16.1	-36:40:07.0	9.6 $\pm$ 0.01	5.5 $\pm$ 0.17	16	-4.0	2.8	2.3 (B96)
18006-2422	M 8	766	18:03:40.3	-24:22:39.6	9.4 $\pm$ 0.01	2.8 $\pm$ 0.04	7	-2.7	1.7	1.9 (C91)
18507+0110	AFGL 2271	248	18:53:21.5	01:14:00.1	10.3 $\pm$ 0.02	5.4 $\pm$ 0.18	27	-5.6	0.9	3.7 (W89)

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