Table 5: Physical parameters of N₂H⁺ clumps.
Source $\Delta\alpha$ $\Delta\delta$ Axial $\Delta \Theta$ d $\langle\Delta V\rangle$ $M_{\rm vir}$ $n_{\rm vir}$ X(N₂H⁺)

( $\hbox{$^{\prime\prime}$ }$ ) ( $\hbox{$^{\prime\prime}$ }$ ) ratio ( $\hbox{$^{\prime\prime}$ }$ ) (pc) (km s^-1) ( $M_{\odot}$ ) (cm^-3) (10^-10)

(10⁴)

RNO 1B
6(2) -1(2) 1.6(0.1) 87(4) 0.36(0.02) 2.0(0.1) 153 11.0 3.5

NGC 281 7(1) -7(1) 1.6(0.2) 42(3) 0.72(0.05) 2.9(0.1) 611 5.6 4.7

S 187 (1) 6(7) 2(7) 1.7(0.7) 63(13) 0.31(0.07) 1.0(0.1) 29 3.5 3.5

S 187 (2) 199(11) -79(10) 6.3(29.9) 29(69)

S 187 (3) 115(8) -98(9) 1.4(0.6) 81(17) 0.39(0.08) 1.6(0.3) 107 5.9 1.2

G 133.69+1.22 (1) 31(4) -54(5) 1.9(0.5) 75(9) 0.76(0.09) 3.2(1.3) 793 6.0 1.2

G 133.69+1.22 (2) 171(5) -168(6) 2.3(1.0) 52(11) 0.53(0.12) 2.0(0.4) 213 4.7 2.8

S 199 12(4) -14(4) 1.1(0.2) 82(9) 0.83(0.09) 1.4(0.1) 167 1.0 6.0

S 201 31(2) 19(3) 1.7(0.5) 45(7) 0.45(0.07) 1.6(0.2) 123 4.4 1.4

G 173.48+2.45 -3(1) -9(1) 1.7(0.2) 54(3) 0.60(0.03) 2.6(0.1) 411 6.3 6.7

G 173.58+2.44 -6(3) -12(2) 1.6(0.2) 72(5) 0.80(0.06) 1.4(0.1) 171 1.1 7.2

AFGL 6366 (1) 2(1) 6(1) 1.8(0.3) 38(3) 0.37(0.03) 2.1(0.1) 170 11.1 2.6

AFGL 6366 (2) 89(2) 57(2) 1.5(0.3) 48(5) 0.47(0.05) 1.5(0.1) 105 3.5 3.9

S 255 (1) 6(1) 46(2) 2.7(0.3) 49(3) 0.60(0.04) 2.6(0.1) 433 6.8 4.5

S 255 (2) 23(2) -45(3) 3.0(0.5) 56(5) 0.68(0.06) 1.7(0.1) 212 2.3 6.3

S 76E -27(1) -18(1) 1.3(0.1) 65(2) 0.67(0.02) 2.7(0.1) 518 5.8 11.4

DR 21 (1) 6(1) -34(1) 1.4(0.2) 49(3) 0.72(0.04) 3.3(0.1) 826 7.5 12.8

DR 21 (2) -4(2) 56(3) 1.7(0.2) 75(4) 1.09(0.06) 3.3(0.1) 1200 3.1 10.2

S 140 (1) 61(2) 42(2) 1.2(0.1) 89(3) 0.39(0.01) 1.9(0.1) 140 7.9 7.0

S 140 (2) 7(2) -8(2) 1.3(0.2) 65(4) 0.28(0.02) 1.9(0.1) 108 15.7 3.5

S 153 (1) 16(3) 19(4) 1.3(0.2) 78(7) 1.51(0.13) 2.5(0.2) 990 1.0 8.8

S 153 (2) -14(7) 122(6) 1.5(0.3) 110(11) 2.13(0.22) 2.5(0.2) 1400 0.5 5.9

G 264.28+1.48 (1) 16(2) -26(2) 3.4(3.7) 29(16)

G 264.28+1.48 (2) 80(5) -39(7) 2.8(4.4) 36(28)

G 264.28+1.48 33(3) -27(1) 8.6(11.7) 37(25)

G 265.14+1.45 (1) 7(2) -78(2) 3.6(1.5) 42(9)

G 265.14+1.45 (2) -32(2) 2(2) 2.6(0.9) 42(8)

G 265.14+1.45 -11(2) -39(3) 5.1(0.8) 73(6) 0.60(0.05) 2.2(0.1) 307 4.7 3.4

G 268.42-0.85 4(3) -25(3) 1.2(0.3) 50(7) 0.37(0.05) 1.9(0.1) 138 9.0 2.3

G 269.11-1.12 (1) 4(1) 34(1) 1.3(0.2) 46(3)

G 269.11-1.12 (2) 41(2) 102(2) 1.5(0.4) 46(6)

G 269.11-1.12 14(2) 52(2) 2.9(0.4) 75(5) 0.95(0.07) 2.7(0.1) 717 2.8 5.4

G 270.26+0.83 -18(1) 22(1) 2.4(0.8) 22(4)

G 285.26-0.05 (1) -64(1) -65(1) 2.2(0.9) 27(6)

G 285.26-0.05 (2) -124(2) -107(2) 2.0(0.8) 38(8)

G 285.26-0.05 -85(2) -79(2) 3.6(0.8) 62(7) 1.42(0.15) 2.9(0.1) 1220 1.4 3.5

G 291.27-0.71 (1) -110(1) -170(1) 1.2(0.1) 72(3) 0.94(0.03) 2.8(0.1) 777 3.2 4.1

G 291.27-0.71 (2) -81(1) -97(1) 1.5(0.2) 32(2)

G 291.27-0.71 (3) -31(1) -50(3) 1.3(0.2) 44(3)

G 294.97-1.73 26(3) -14(2) 2.4(0.6) 58(7) 0.34(0.04) 2.4(0.1) 200 17.1 1.7

G 316.77-0.02 (1) -6(3) 27(2) 2.4(0.2) 108(5) 1.63(0.08) 3.3(0.1) 1890 1.5 11.0

G 316.77-0.02 (2) 130(5) -37(3) 6.0(1.2) 88(9) 1.32(0.14) 4.7(0.1) 3030 4.4 3.0

G 316.77-0.02 (3) 234(1) -54(1) 2.2(0.3) 45(3)

G 345.01+1.80 (1) 39(2) -34(2) 1.8(0.2) 67(4) 0.69(0.04) 3.3(0.1) 765 7.9 3.9

G 345.01+1.80 (2) -39(1) 30(1) 1.3(0.1) 72(2) 0.73(0.02) 3.3(0.1) 818 6.9 6.9

G 345.01+1.80 (3) -116(2) -23(3) 2.6(1.9) 34(12)

G 345.41-0.94 (1) 80(1) -31(3) 3.4(0.5) 81(6) 1.10(0.09) 3.2(0.1) 1180 3.0 2.5

G 345.41-0.94 (2) -36(4) -43(6) 1.4(0.3) 112(12) 1.52(0.16) 2.2(0.1) 803 0.8 4.0

G 351.41+0.64 (1) 2(2) 223(2) 1.4(0.2) 76(5) 0.63(0.04) 3.7(0.1) 884 12.1 6.7

G 351.41+0.64 (2) 26(1) 115(1) 1.1(0.1) 81(2) 0.67(0.02) 3.7(0.1) 946 10.6 10.0

G 351.41+0.64 (3) -1(2) 2(2) 1.4(0.2) 89(5) 0.73(0.04) 3.8(0.2) 1120 9.6 5.3

**Table 5:** Physical parameters of N₂H⁺ clumps.
Source	$\Delta\alpha$	$\Delta\delta$	Axial	$\Delta \Theta$	d	$\langle\Delta V\rangle$	$M_{\rm vir}$	$n_{\rm vir}$	X(N₂H⁺)
	( $\hbox{$^{\prime\prime}$ }$ )	( $\hbox{$^{\prime\prime}$ }$ )	ratio	( $\hbox{$^{\prime\prime}$ }$ )	(pc)	(km s^-1)	( $M_{\odot}$ )	(cm^-3)	(10^-10)
								(10⁴)
RNO 1B	6(2)	-1(2)	1.6(0.1)	87(4)	0.36(0.02)	2.0(0.1)	153	11.0	3.5
NGC 281	7(1)	-7(1)	1.6(0.2)	42(3)	0.72(0.05)	2.9(0.1)	611	5.6	4.7
S 187 (1)	6(7)	2(7)	1.7(0.7)	63(13)	0.31(0.07)	1.0(0.1)	29	3.5	3.5
S 187 (2)	199(11)	-79(10)	6.3(29.9)	29(69)
S 187 (3)	115(8)	-98(9)	1.4(0.6)	81(17)	0.39(0.08)	1.6(0.3)	107	5.9	1.2
G 133.69+1.22 (1)	31(4)	-54(5)	1.9(0.5)	75(9)	0.76(0.09)	3.2(1.3)	793	6.0	1.2
G 133.69+1.22 (2)	171(5)	-168(6)	2.3(1.0)	52(11)	0.53(0.12)	2.0(0.4)	213	4.7	2.8
S 199	12(4)	-14(4)	1.1(0.2)	82(9)	0.83(0.09)	1.4(0.1)	167	1.0	6.0
S 201	31(2)	19(3)	1.7(0.5)	45(7)	0.45(0.07)	1.6(0.2)	123	4.4	1.4
G 173.48+2.45	-3(1)	-9(1)	1.7(0.2)	54(3)	0.60(0.03)	2.6(0.1)	411	6.3	6.7
G 173.58+2.44	-6(3)	-12(2)	1.6(0.2)	72(5)	0.80(0.06)	1.4(0.1)	171	1.1	7.2
AFGL 6366 (1)	2(1)	6(1)	1.8(0.3)	38(3)	0.37(0.03)	2.1(0.1)	170	11.1	2.6
AFGL 6366 (2)	89(2)	57(2)	1.5(0.3)	48(5)	0.47(0.05)	1.5(0.1)	105	3.5	3.9
S 255 (1)	6(1)	46(2)	2.7(0.3)	49(3)	0.60(0.04)	2.6(0.1)	433	6.8	4.5
S 255 (2)	23(2)	-45(3)	3.0(0.5)	56(5)	0.68(0.06)	1.7(0.1)	212	2.3	6.3
S 76E	-27(1)	-18(1)	1.3(0.1)	65(2)	0.67(0.02)	2.7(0.1)	518	5.8	11.4
DR 21 (1)	6(1)	-34(1)	1.4(0.2)	49(3)	0.72(0.04)	3.3(0.1)	826	7.5	12.8
DR 21 (2)	-4(2)	56(3)	1.7(0.2)	75(4)	1.09(0.06)	3.3(0.1)	1200	3.1	10.2
S 140 (1)	61(2)	42(2)	1.2(0.1)	89(3)	0.39(0.01)	1.9(0.1)	140	7.9	7.0
S 140 (2)	7(2)	-8(2)	1.3(0.2)	65(4)	0.28(0.02)	1.9(0.1)	108	15.7	3.5
S 153 (1)	16(3)	19(4)	1.3(0.2)	78(7)	1.51(0.13)	2.5(0.2)	990	1.0	8.8
S 153 (2)	-14(7)	122(6)	1.5(0.3)	110(11)	2.13(0.22)	2.5(0.2)	1400	0.5	5.9
G 264.28+1.48 (1)	16(2)	-26(2)	3.4(3.7)	29(16)
G 264.28+1.48 (2)	80(5)	-39(7)	2.8(4.4)	36(28)
G 264.28+1.48	33(3)	-27(1)	8.6(11.7)	37(25)
G 265.14+1.45 (1)	7(2)	-78(2)	3.6(1.5)	42(9)
G 265.14+1.45 (2)	-32(2)	2(2)	2.6(0.9)	42(8)
G 265.14+1.45	-11(2)	-39(3)	5.1(0.8)	73(6)	0.60(0.05)	2.2(0.1)	307	4.7	3.4
G 268.42-0.85	4(3)	-25(3)	1.2(0.3)	50(7)	0.37(0.05)	1.9(0.1)	138	9.0	2.3
G 269.11-1.12 (1)	4(1)	34(1)	1.3(0.2)	46(3)
G 269.11-1.12 (2)	41(2)	102(2)	1.5(0.4)	46(6)
G 269.11-1.12	14(2)	52(2)	2.9(0.4)	75(5)	0.95(0.07)	2.7(0.1)	717	2.8	5.4
G 270.26+0.83	-18(1)	22(1)	2.4(0.8)	22(4)
G 285.26-0.05 (1)	-64(1)	-65(1)	2.2(0.9)	27(6)
G 285.26-0.05 (2)	-124(2)	-107(2)	2.0(0.8)	38(8)
G 285.26-0.05	-85(2)	-79(2)	3.6(0.8)	62(7)	1.42(0.15)	2.9(0.1)	1220	1.4	3.5
G 291.27-0.71 (1)	-110(1)	-170(1)	1.2(0.1)	72(3)	0.94(0.03)	2.8(0.1)	777	3.2	4.1
G 291.27-0.71 (2)	-81(1)	-97(1)	1.5(0.2)	32(2)
G 291.27-0.71 (3)	-31(1)	-50(3)	1.3(0.2)	44(3)
G 294.97-1.73	26(3)	-14(2)	2.4(0.6)	58(7)	0.34(0.04)	2.4(0.1)	200	17.1	1.7
G 316.77-0.02 (1)	-6(3)	27(2)	2.4(0.2)	108(5)	1.63(0.08)	3.3(0.1)	1890	1.5	11.0
G 316.77-0.02 (2)	130(5)	-37(3)	6.0(1.2)	88(9)	1.32(0.14)	4.7(0.1)	3030	4.4	3.0
G 316.77-0.02 (3)	234(1)	-54(1)	2.2(0.3)	45(3)
G 345.01+1.80 (1)	39(2)	-34(2)	1.8(0.2)	67(4)	0.69(0.04)	3.3(0.1)	765	7.9	3.9
G 345.01+1.80 (2)	-39(1)	30(1)	1.3(0.1)	72(2)	0.73(0.02)	3.3(0.1)	818	6.9	6.9
G 345.01+1.80 (3)	-116(2)	-23(3)	2.6(1.9)	34(12)
G 345.41-0.94 (1)	80(1)	-31(3)	3.4(0.5)	81(6)	1.10(0.09)	3.2(0.1)	1180	3.0	2.5
G 345.41-0.94 (2)	-36(4)	-43(6)	1.4(0.3)	112(12)	1.52(0.16)	2.2(0.1)	803	0.8	4.0
G 351.41+0.64 (1)	2(2)	223(2)	1.4(0.2)	76(5)	0.63(0.04)	3.7(0.1)	884	12.1	6.7
G 351.41+0.64 (2)	26(1)	115(1)	1.1(0.1)	81(2)	0.67(0.02)	3.7(0.1)	946	10.6	10.0
G 351.41+0.64 (3)	-1(2)	2(2)	1.4(0.2)	89(5)	0.73(0.04)	3.8(0.2)	1120	9.6	5.3

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