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Table A.1

Distances to 76 molecular clouds.

Name l b VLSR Area N(b) Mass(d) AV/AG Note
(°) (°) (km s−1) (deg2) (pc) (pc) (103 M⊙) (kpc)
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12)
G105.2+05.0 105.297 5.034 −8.4 0.06 70 1500 0.5 AV
G105.6−01.3 105.686 −1.338 −8.2 0.23 172 1500 1.6 AG
G106.1+00.5 106.100 0.590 −2.9 2.06 360 1000 3.7 AG
G106.5+01.6 106.511 1.671 −10.8 0.27 119 1500 1.6 AG
G106.5+04.0 106.514 4.083 −7.0 4.89 2639 1500 75.4 AG
G106.6+01.0 106.660 1.012 −11.7 0.52 182 1000 4.7 AG
G107.7+02.9 107.751 2.953 −9.9 0.18 116 1500 1.8 AG
G107.9−01.3 107.949 −1.334 −14.4 0.03 54 2500 0.3 AV
G108.4+00.3 108.483 0.362 −9.8 0.23 139 1500 1.9 AG
G109.0−00.1 109.095 −0.156 −2.8 0.09 89 1500 0.4 AV
G109.6−01.0 109.613 −1.027 −33.5 0.02 106 4000 1.9 AV
G110.8−01.2 110.893 −1.233 −5.7 0.04 80 2000 0.4 AV
G110.9+03.5 110.998 3.503 −16.6 0.19 129 1500 2.3 AG
G111.1−00.1 111.184 −0.148 −7.0 0.14 278 2000 1.6 AV
G111.3−00.5 111.324 −0.505 −8.2 0.05 72 2500 0.4 AV
G111.7+00.0 111.706 0.008 −29.9 0.05 114 3000 8.0 AV
G112.1−02.4 112.162 −2.435 −1.2 5.18 1153 1000 4.9 AG
G112.2−01.5 112.249 −1.570 −8.8 0.10 60 1300 0.6 AV
G114.5−00.1 114.573 −0.108 −36.2 0.20 256 3000 6.6 AG
G115.6−02.7 115.611 −2.718 −2.1 4.25 897 800 6.8 AG L1265
G115.9−00.5 115.900 −0.559 −4.7 0.58 81 800 0.5 AG
G117.0+03.7 117.001 3.704 −5.7 0.21 77 1000 1.4 AG
G118.9+03.0 118.998 3.033 −18.0 3.08 318 2000 135.0 AG
G120.3−01.7 120.345 −1.782 −22.7 0.02 45 2000 0.2 AV
G120.7−02.6 120.725 −2.697 −20.2 0.03 61 2500 0.3 AV
G120.9−01.4 120.997 −1.446 −19.5 0.49 511 2000 9.3 AG
G121.4+00.5 121.460 0.532 −4.6 0.08 30 1500 0.3 AG
G121.7−02.2 121.768 −2.279 −19.9 0.12 149 2000 1.1 AV
G121.8−00.4 121.887 −0.452 −12.5 0.16 71 1500 1.1 AG
G122.0−00.5 122.087 −0.550 4.1 0.48 187 1000 2.2 AG
G122.4−02.3 122.470 −2.372 −20.6 0.10 185 2000 1.0 AV
G122.4−00.6 122.500 −0.695 −17.9 3.77 3206 1500 91.1 AG L1287,L1302
G122.5−02.8 122.519 −2.866 −20.5 0.02 33 2000 0.3 AV
G122.8−02.3 122.843 −2.303 −16.3 0.12 51 2000 1.1 AG
G123.8−03.1 123.880 −3.128 −20.9 0.02 30 2500 0.2 AV
G124.0+00.5 124.081 0.579 −13.0 0.07 68 2000 0.5 AV
G124.6−01.4 124.652 −1.452 −19.2 0.17 115 2500 2.8 AG
G124.6−01.9 124.659 −1.986 −11.1 0.08 144 2000 0.6 AV
G125.2−04.0 125.297 −4.001 −13.3 0.03 75 2500 0.3 AV
G125.5−02.4 125.597 −2.410 −22.5 0.30 204 2500 3.3 AG
G129.3−01.6 129.311 −1.646 −10.6 0.26 321 1500 2.6 AV
G129.6−00.1 129.631 −0.145 3.1 0.42 184 1500 3.5 AG
G129.9−02.1 129.945 −2.148 −13.5 0.60 308 2000 6.0 AG
G130.0−04.4 130.026 −4.439 −42.3 0.08 163 2500 2.2 AV
G130.1+00.5 130.143 0.594 −11.5 0.68 306 1500 7.9 AG
G130.8−01.0 130.866 −1.000 −10.3 0.51 156 1500 2.5 AG
G130.9+01.2 130.970 1.208 −10.0 0.06 49 1500 0.4 AV
G131.2−00.5 131.215 −0.521 −14.3 0.07 97 1500 0.4 AV
G131.8+00.0 131.838 0.093 −15.6 0.45 254 1500 3.8 AV
G131.8−02.5 131.841 −2.556 −14.5 0.10 138 2000 0.5 AV
G132.0−01.1 132.035 −1.123 −14.0 0.84 590 1500 6.8 AV
G132.9−04.5 132.972 −4.536 −15.5 0.05 45 2000 0.3 AV
G133.4−02.0 133.440 −2.068 −12.6 0.63 341 1500 4.5 AV
G134.0−04.0 134.067 −4.075 −13.8 0.26 354 1500 2.8 AV
G134.7−00.3 134.761 −0.382 −7.6 11.02 1075 1500 151.7 AG
G134.8+01.4 134.878 1.493 −40.0 0.09 163 2800 10.9 AV W4
G135.6+03.5 135.630 3.527 −8.6 0.28 156 1000 0.8 AV
G137.5−03.3 137.553 −3.390 −33.6 0.02 36 2500 0.5 AV
G141.2−02.0 141.256 −2.038 −3.5 16.87 1747 1000 72.4 AG
G141.5−03.4 141.520 −3.424 −18.1 1.18 365 1500 9.4 AG
G142.6−03.6 142.658 −3.627 −19.7 0.45 133 1500 3.0 AG
G143.0+00.7 143.021 0.784 −0.5 2.73 129 500 2.1 AV
G143.2+03.0 143.202 3.009 −10.4 0.68 404 2000 8.1 AG
G143.5−01.5 143.542 −1.598 −14.9 1.24 379 1500 8.5 AG
G143.7−03.3 143.707 −3.342 −35.3 0.45 74 3000 38.6 AV
G144.0−03.8 144.078 −3.824 −7.4 0.95 154 1000 1.2 AG
G144.0+04.2 144.096 4.220 −9.9 2.46 928 1500 23.1 AG
G144.4−02.5 144.438 −2.595 −20.0 0.61 99 1100 4.3 AG
G145.8+03.4 145.817 3.428 −0.4 11.64 713 500 10.1 AG
G146.0−04.2 146.013 −4.267 −9.2 1.00 235 800 1.4 AV
G146.2−02.3 146.273 −2.388 −10.5 0.52 172 2000 5.9 AG
G147.4−04.0 147.461 −4.017 −24.9 1.94 540 1500 17.9 AG
G148.1−00.2 148.160 −0.237 −4.2 1.97 689 1500 38.9 AG
G149.4+03.1 149.408 3.188 3.1 5.28 281 500 3.4 AG
G149.5−01.0 149.535 −1.088 −7.7 0.50 364 2000 16.9 AG
G150.1−01.4 150.131 −1.417 −10.3 0.05 98 2000 0.6 AV
G124.6−01.4 124.652 −1.452 −19.2 0.17 115 2500 2.8 AG
G124.6−01.9 124.659 −1.986 −11.1 0.08 144 2000 0.6 AV
G125.2−04.0 125.297 −4.001 −13.3 0.03 75 2500 0.3 AV
G125.5−02.4 125.597 −2.410 −22.5 0.30 204 2500 3.3 AG
G129.3−01.6 129.311 −1.646 −10.6 0.26 321 1500 2.6 AV
G129.6−00.1 129.631 −0.145 3.1 0.42 184 1500 3.5 AG
G129.9−02.1 129.945 −2.148 −13.5 0.60 308 2000 6.0 AG
G130.0−04.4 130.026 −4.439 −42.3 0.08 163 2500 2.2 AV
G130.1+00.5 130.143 0.594 −11.5 0.68 306 1500 7.9 AG
G130.8−01.0 130.866 −1.000 −10.3 0.51 156 1500 2.5 AG
G130.9+01.2 130.970 1.208 −10.0 0.06 49 1500 0.4 AV
G131.2−00.5 131.215 −0.521 −14.3 0.07 97 1500 0.4 AV
G131.8+00.0 131.838 0.093 −15.6 0.45 254 1500 3.8 AV
G131.8−02.5 131.841 −2.556 −14.5 0.10 138 2000 0.5 AV
G132.0−01.1 132.035 −1.123 −14.0 0.84 590 1500 6.8 AV
G132.9−04.5 132.972 −4.536 −15.5 0.05 45 2000 0.3 AV
G133.4−02.0 133.440 −2.068 −12.6 0.63 341 1500 4.5 AV
G134.0−04.0 134.067 −4.075 −13.8 0.26 354 1500 2.8 AV
G134.7−00.3 134.761 −0.382 −7.6 11.02 1075 1500 151.7 AG
G134.8+01.4 134.878 1.493 −40.0 0.09 163 2800 10.9 AV W4
G135.6+03.5 135.630 3.527 −8.6 0.28 156 1000 0.8 AV
G137.5−03.3 137.553 −3.390 −33.6 0.02 36 2500 0.5 AV
G141.2−02.0 141.256 −2.038 −3.5 16.87 1747 1000 72.4 AG
G141.5−03.4 141.520 −3.424 −18.1 1.18 365 1500 9.4 AG
G142.6−03.6 142.658 −3.627 −19.7 0.45 133 1500 3.0 AG
G143.0+00.7 143.021 0.784 −0.5 2.73 129 500 2.1 AV
G143.2+03.0 143.202 3.009 −10.4 0.68 404 2000 8.1 AG
G143.5−01.5 143.542 −1.598 −14.9 1.24 379 1500 8.5 AG
G143.7−03.3 143.707 −3.342 −35.3 0.45 74 3000 38.6 AV
G144.0−03.8 144.078 −3.824 −7.4 0.95 154 1000 1.2 AG
G144.0+04.2 144.096 4.220 −9.9 2.46 928 1500 23.1 AG
G144.4−02.5 144.438 −2.595 −20.0 0.61 99 1100 4.3 AG
G145.8+03.4 145.817 3.428 −0.4 11.64 713 500 10.1 AG
G146.0−04.2 146.013 −4.267 −9.2 1.00 235 800 1.4 AV
G146.2−02.3 146.273 −2.388 −10.5 0.52 172 2000 5.9 AG
G147.4−04.0 147.461 −4.017 −24.9 1.94 540 1500 17.9 AG
G148.1−00.2 148.160 −0.237 −4.2 1.97 689 1500 38.9 AG
G149.4+03.1 149.408 3.188 3.1 5.28 281 500 3.4 AG
G149.5−01.0 149.535 −1.088 −7.7 0.50 364 2000 16.9 AG
G150.1−01.4 150.131 −1.417 −10.3 0.05 98 2000 0.6 AV

Notes. (a) The error of distances is the 95% highest posterior densities, about two standard derivations for Gaussian distributions, and the 5% systematic error is not included. The machine-readable table is publicly accessible on the Harvard Dataverse (https://doi.org/10.7910/DVN/MNKOCH). (b) Total number of on-cloud stars. (c)Background stars farther than Dcut are excluded in the distance measurement. (d)Total mass of molecular gas in molecular clouds estimated with the 12 CO-to-H2 mass conversion factor of X = 2.0 × 1020 cm−2 (Bolatto et al. 2013), which only takes CO-bright components into account. (e) Maser-parallax-based distances derived from the model in Reid et al. (2019). The error is the standard derivation.

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