A H2CO and H110α survey of H ii regions with the 25-m radio telescope of Nanshan Station

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Table 4

Kinematic parameters.

	V_LSR	V_TP	D_TP	D_far	D_near	D_LSR	z	R_GC
Source	(km s^-1)	(km s^-1)	(kpc)	(kpc)	(kpc)	(kpc)	(pc)	(kpc)	Near/Far^a

G10.159−0.34	10.8	166.8	8.27	14.71	1.83		−11.1	6.61	N^f
MC1	8.5	166.8	8.27	15.01	1.53		−9.3	6.90	NS^f
G12.807−0.20	35.1	158.7	8.19	12.83	3.55		−12.6	5.00	N^f
MC1	33.0	158.7	8.19	12.97	3.41		−12.1	5.13	NS^f
G15.095−0.71	16.7	151.5	8.11	14.26	1.96		−24.5	6.53	N
MC1	22.1	151.5	8.11	13.82	2.40		−29.9	6.12	NS
G15.181−0.63	17.1	151.2	8.11	14.23	1.98		−21.6	6.51	N^f
MC1	17.5	151.2	8.11	14.19	2.02		−22.0	6.47	NS^f
G19.608−0.23	46.5	137.1	7.91	12.35	3.47		−14.2	5.26	N^f
MC1	42.8	137.1	7.91	12.53	3.29		−13.5	5.41	NS^f
G30.776−0.03	94.1	101.9	7.22	9.12	5.32		...	...	...^b^f
MC1	91.3	101.9	7.22	9.26	5.18		...	...	S^b^f
G48.930−0.28	64.5	51.9	5.52	5.52	5.52		−27.6	6.33	...^d
MC1	6.2	51.9	5.52	10.35	0.69		−3.4	7.96	N
MC2	60.6	51.9	5.52	...	...		−27.6	6.33	S
G49.384−0.30	54.5	50.9	5.47	5.47	5.47		−29.3	6.38	...^c
MC1	64.3	50.9	5.47	...	...		−3.7	7.97	S^c
G49.582−0.38	59.0	50.4	5.45	5.45	5.45		−36.3	6.40	...^c
MC1	65.9	50.4	5.45	...	...		−36.3	6.40	S^c
G79.293+1.30	−42.0	3.9	1.56	1.56	1.56		35.3	8.25	...^d
MC1	5.7	3.9	1.56	1.56	1.56		35.3	8.25	...^c
G81.253+1.12	12.7	2.7	1.28	1.28	1.28		25.1	8.30	...^c
MC1	6.9	2.7	1.28	1.28	1.28		25.1	8.30	...^c
IRAS 06053−0622	10.2	...	...	0.74	0.74		−161.4	9.01	...^e
MC1	10.5	...	...	0.77	0.77		−168.0	9.03	...^e
IRAS 18060−2005	7.8	166.3	8.26	15.12	1.41		−39.6	7.02	F^f
MC1	10.3	166.3	8.26	14.78	1.75		−38.7	6.69	FS^f
MC2	20.6	166.3	8.26	13.68	2.85		...	...	...^d^f
IRAS 18141−1615	33.8	153.1	8.13	13.02	3.24		0.7	5.33	N
MC1	23.8	153.1	8.13	13.69	1.75		0.4	6.72	N
MC2	37.3	153.1	8.13	12.81	2.85		0.6	5.69	NS
IRAS 18222−1317	48.8	141.8	7.98	12.27	3.70		−62.1	5.02	F^f
MC1	65.6	141.8	7.98	12.86	3.11		...	...	...^d^f
IRAS 18454−0158	99.0	101.8	7.21	8.83	5.60		...	...	...^b
MC1	91.9	101.8	7.21	10.48	3.94		...	...	S^b
IRAS 18507+0101	54.7	91.5	6.94	10.46	3.43		9.2	5.89	N
MC1	59.7	91.5	6.94	8.36	5.53		14.8	4.93	NS
IRAS 18592+0108	45.6	88.7	6.86	10.76	2.97		−90.4	6.21	N
MC1	43.2	88.7	6.86	10.02	3.71		−113.0	5.78	NS
IRAS 19120+1103	56.1	60.5	5.89	7.61	4.17		...	...	...^b,f
MC1	59.3	60.5	5.89	8.67	3.12		...	...	S^b,f
IRAS 19598+3324	−23.3	12.6	2.83	2.83	2.83		79.0	7.91	...^c
MC1	−20.5	12.6	2.83	2.83	2.83		79.0	7.91	...^c
IRAS 23116+6111	−59.3	...	...	4.86	4.86		65.9	11.1	...^e
MC1	−20.5	...	...	1.48	1.48		20.1	9.05	...^e

Notes.

^(a)

(N) A source at the near kinematic distance; (F) a source at the far distance; (S) a molecular cloud associated with an H ii region; (NS and FS) a molecular cloud associated with an H ii region at the near and far distance, respectively.

^(b)

No classification or distance is given for this source;

^(c)

this source is located at the tangent point;

^(d)

the distance ambiguity cannot be resolved;

^(e)

this source is located in the outer Galaxy;

^(f)

Downes et al. (1980) have reported this source’s kinematic distance.

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