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Table 3

H2CO line parameters.

 Source VLSR       FWHM    SH2CO       Svdv   
 directiona (km s-1)    (Jy)       (Jy km s-1)

IRAS 01202+6133MC1  −11.81(0.310) 2.852(0.800)  −0.563(0.129)  −1.708(0.379)
IRAS 03271+3013MC1 8.907(0.147) 1.206(1.97)  −1.21(0.182)  −1.556(0.323)
IRAS 05375−0731MC1 5.116(0.708) 2.381(0.150)  −2.68(0.159)  −6.798(0.395)
IRAS 05379+3550MC1  −19.65(0.495) 4.598(1.11)  −0.389(0.107)  −1.904(0.384)
IRAS 05450+0019MC1 9.717(0.131) 2.065(0.284)  −1.69(0.190)  −3.707(0.461)
IRAS 05454+0034MC1 9.652(0.194) 1.907(0.369)  −1.22(0.200)  −2.469(0.458)
IRAS 06053−0622MC1 10.51(0.082) 4.581(0.164)  −1.010(0.051)  −4.930(0.172)
IRAS 06055+2039MC1 8.260(0.132) 2.948(0.340)  −1.10(0.106)  −3.458(0.315)
IRAS 17417−2851MC1  −3.654(0.346) 7.051(0.713)  −1.90(0.309)  −14.26(1.32)
IRAS 17418−2927MC1  −132.8(1.63) 38.12(4.89)  −0.568(0.194)  −23.04(2.19)
IRAS 17418−2927MC2  −56.62(0.598) 22.73(1.52)  −1.18(0.194)  −28.62(1.58)
IRAS 17418−2927MC3  −3.037(0.257) 3.980(0.555)  −1.15(0.194)  −4.864(0.621)
IRAS 17420−2902MC1  −54.12(0.289) 5.512(0.654)  −2.51(0.395)  −14.72(1.53)
IRAS 17420−2902MC2  −6.030(0.455) 9.710(1.67)  −2.08(0.395)  −21.45(4.33)
IRAS 17420−2902MC3 24.62(1.86) 56.81(4.05)  −2.09(0.395)  −126.6(7.97)
IRAS 17430−2900MC1  −53.38(0.492) 8.143(1.54)  −2.50(0.569)  −21.71(3.00)
IRAS 17430−2900MC2  −8.230(0.956) 11.73(2.87)  −1.75(0.569)  −21.85(3.67)
IRAS 17430−2900MC3 41.94(0.779) 33.16(1.77)  −3.36(0.569)  −118.5(5.43)
IRAS 17432−2835MC1 13.90(0.959) 43.25(2.00)  −1.44(0.276)  −66.29(2.89)
IRAS 17432−2855MC1  −137.0(2.00) 51.93(5.59)  −1.15(0.301)  −63.54(4.50)
IRAS 17432−2855MC2  −52.49(0.426) 7.697(0.773)  −1.48(0.301)  −12.15(1.27)
IRAS 17432−2855MC3  −8.880(0.280) 4.362(0.651)  −1.73(0.301)  −8.020(1.04)
IRAS 17432−2855MC4 46.07(1.47) 40.95(3.81)  −1.14(0.301)  −49.60(3.48)
IRAS 17441−2822MC1  −104.2(0.390) 6.494(0.718)  −1.39(0.289)  −9.580(0.123)
IRAS 17441−2822MC2  −41.50(0.129) 4.400(0.279)  −3.79(0.289)  −17.73(0.988)
IRAS 17441−2822MC3 16.68(0.867) 40.38(1.84)  −2.38(0.289)  −102.4(4.24)
IRAS 17441−2822MC4 60.91(0.112) 28.38(0.282)  −15.0(0.289)  −454.3(4.13)
IRAS 17449−2855MC1  −4.821(0.314) 2.563(0.609)  −1.49(0.355)  −4.074(0.904)
IRAS 17449−2855MC2 14.93(0.107) 2.476(0.268)  −3.97(0.355)  −10.47(0.941)
IRAS 17455−2805MC1  −18.27(0.799) 4.990(1.91)  −1.65(0.769)  −8.769(2.82)
IRAS 17455−2805MC2  −4.021(1.17) 7.771(2.32)  −1.37(0.769)  −11.31(3.34)
IRAS 17455−2805MC3 75.90(1.60) 30.74(3.74)  −2.07(0.769)  −67.64(7.33)
IRAS 17455−2805MC4 118.6(2.38) 20.15(4.16)  −1.17(0.769)  −25.10(5.47)
IRAS 18035−2126MC1 17.52(0.236) 2.488(0.663)  −0.835(0.155)  −2.212(0.438)
IRAS 18035−2126MC2 36.30(0.179) 2.948(0.403)  −1.15(0.155)  −3.615(0.438)
IRAS 18048−2131MC1 17.82(1.16) 7.399(2.26)  −0.568(0.320)  −4.471(1.35)
IRAS 18060−2005MC1 10.32(0.190) 4.236(0.498)  −1.21(0.148)  −5.459(0.522)
IRAS 18060−2005MC2 20.55(0.433) 3.991(1.10)  −0.539(0.148)  −2.289(0.503)
IRAS 18064−2008MC1 9.857(0.424) 6.156(0.986)  −1.43(0.315)  −9.404(1.29)
IRAS 18114−1718MC1 10.71(0.398) 4.346(0.920)  −0.746(0.187)  −3.453(0.626)
IRAS 18114−1718MC2 51.34(0.276) 3.012(0.585)  −0.894(0.187)  −2.867(0.516)
IRAS 18127−1717MC1 16.52(0.711) 6.203(1.48)  −0.532(0.199)  −3.510(0.787)
IRAS 18141−1615MC1 23.76(0.402) 5.242(0.984)  −0.494(0.114)  −2.754(0.435)
IRAS 18141−1615MC2 37.28(0.339) 5.392(0.770)  −0.636(0.114)  −3.653(0.441)
IRAS 18222−1317MC1 65.56(0.294) 3.555(0.714)  −0.683(0.139)  −2.584(0.439)
IRAS 18258−0737MC1 35.80(0.519) 3.010(1.08)  −0.515(0.188)  −1.650(0.502)
IRAS 18258−0737MC2 43.14(0.293) 1.582(1.35)  −0.712(0.188)  −1.199(0.440)
IRAS 18265−1517MC1 16.89(0.477) 3.154(0.925)  −0.576(0.203)  −1.935(0.561)
IRAS 18328−0735MC1 114.0(0.199) 6.428(0.446)  −1.86(0.192)  −12.76(0.789)
IRAS 18406−0338MC1 78.72(0.690) 6.179(2.29)  −0.618(0.210)  −4.068(1.02)
IRAS 18408−0348MC1 104.1(0.857) 7.401(1.45)  −0.727(0.299)  −5.730(1.23)
IRAS 18446−0150MC1 93.78(0.299) 7.154(0.670)  −2.06(0.304)  −15.71(1.32)
IRAS 18454−0158MC1 91.88(0.151) 7.246(0.367)  −2.60(0.191)  −20.04(0.859)
IRAS 18461−0136MC1 78.21(0.721) 8.539(1.23)  −0.384(0.125)  −3.491(0.552)
IRAS 18507+0110MC1 59.67(0.129) 3.998(0.289)  −2.05(0.174)  −8.740(0.565)
IRAS 18530+0215MC1 13.72(0.202) 1.879(0.623)  −0.715(0.138)  −1.430(0.343)
IRAS 18530+0215MC2 76.87(0.619) 6.563(1.53)  −0.431(0.138)  −3.009(0.590)
IRAS 18536+0753MC1 28.79(0.333) 6.344(0.759)  −1.04(0.180)  −6.997(0.740)
IRAS 18566+0408MC1 84.70(0.373) 4.750(0.907)  −0.655(0.146)  −3.314(0.534)
IRAS 18592+0108MC1 43.20(0.147) 3.367(0.371)  −1.94(0.201)  −6.949(0.628)
IRAS 19111+1048MC1 59.94(0.616) 4.274(1.92)  −0.709(0.249)  −3.225(0.999)
IRAS 19120+1103MC1 59.29(0.135) 4.712(0.363)  −1.38(0.112)  −6.935(0.423)
IRAS 19124+1106MC1 59.30(0.566) 6.140(1.43)  −0.732(0.218)  −4.788(0.915)
IRAS 19598+3324MC1  −20.47(0.123) 3.635(0.316)  −1.10(9.359)  −4.265(0.303)
IRAS 20332+4124MC1  −3.159(0.874) 6.515(1.62)  −0.319(0.140)  −2.211(0.553)
IRAS 23033+5951MC1  −50.22(0.142) 2.899(0.309)  −0.989(0.106)  −3.051(0.292)
IRAS 23116+6111MC1  −53.13(0.437) 6.602(1.03)  −0.673(0.147)  −4.728(0.630)
G1.13−0.1 MC1  −18.69(0.367) 6.880(1.14)  −1.67(0.298)  −12.20(1.44)
G1.13−0.1 MC2 74.92(0.630) 35.01(1.45)  −2.20(0.298)  −81.99(2.90)
G10.159−0.34MC1 8.527(0.182) 11.59(0.525)  −3.00(0.200)  −36.97(1.24)
G12.807−0.20MC1 32.96(0.478) 5.638(0.114)  −7.38(0.192)  −44.32(0.769)
G15.095−0.71MC1 22.13(0.133) 1.881(0.424)  −2.04(0.233)  −4.093(0.556)
G15.181−0.63MC1 17.53(0.562) 5.844(1.40)  −1.12(0.286)  −6.960(1.23)
G19.608−0.23MC1 42.82(0.457) 6.387(1.06)  −0.776(0.183)  −5.275(0.758)
G23.421−0.21MC1 97.86(0.241) 6.340(0.434)  −1.94(0.241)  −13.08(0.930)
G30.776−0.03MC1 91.32(0.682) 6.640(0.168)  −7.13(0.247)  −50.37(1.07)
G40.505+2.54MC1 28.23(0.201) 4.934(0.557)  −1.59(0.174)  −8.352(0.704)
G48.930−0.28MC1 6.239(0.265) 1.987(0.424)  −0.509(0.115)  −1.076(0.250)
G48.930−0.28MC2 60.63(0.394) 4.306(0.792)  −0.472(0.115)  −2.162(0.377)
G49.384−0.30MC1 64.28(0.957) 6.621(0.232)  −4.39(0.211)  −30.97(0.909)
G49.582−0.38MC1 65.92(0.631) 7.953(0.157)  −8.48(0.238)  −71.75(1.15)
G79.293+1.30MC1 5.738(0.239) 3.630(0.499)  −0.458(7.488)  −1.770(0.227)
G81.253+1.12MC1 6.885(0.290) 3.695(0.663)  −0.442(8.795)  −1.737(0.276)

Notes.  This table lists 59 H ii regions (23 also with H110α RRLs, 36 only with H2CO absorption lines) with H2CO absorption lines. The values in parentheses are the formal 1σ errors of the Gaussian fit.

(a)

Indicates the direction of the H2CO molecular cloud, but we do not imply an association between the H2CO molecular cloud and the background H ii region.

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