2009MNRAS.399.1506P

Query : 2009MNRAS.399.1506P

2009MNRAS.399.1506P - Mon. Not. R. Astron. Soc., 399, 1506-1522 (2009/November-1)

Infrared dark cloud cores in the SCUBA Legacy Catalogue.

PARSONS H., THOMPSON M.A. and CHRYSOSTOMOU A.

Abstract (from CDS):

We present an investigation of candidate infrared dark cloud (IRDC) cores as identified by Simon et al. located within the Submillimetre Common User Bolometer Array (SCUBA) Legacy Catalogue. After applying a uniform noise cut to the catalogue data, we identify 154 IRDC cores that were detected at 850µm and 51 cores that were not. We derive column densities for each core from their 8µm extinction and find that the IRDCs detected at 850µm have higher column densities (a mean of 1.7x1022/cm2) compared to those cores not detected at 850µm (a mean of 1.0x1022/cm2). Combined with sensitivity estimates, we suggest that the cores not detected at 850µm are low-mass, low-column-density and low-temperature cores that are below the sensitivity limit of SCUBA at 850µm. For a subsample of the cores detected at 850µm [those contained within the Multiband Imaging Photometer for Spitzer Galactic Plane Survey (MIPSGAL) area], we find that two-thirds are associated with 24µm sources. Cores not associated with 24µm emission are either `starless' IRDC cores that perhaps have yet to form stars, or contain low-mass young stellar objects below the MIPSGAL detection limit. We see that those `starless' IRDC cores and the IRDC cores associated with 24µm emission are drawn from the same column density population and are of similar mass. If we then assume the cores without 24µm embedded sources are at an earlier evolutionary stage to cores with embedded objects, we derive a statistical lifetime for the quiescent phase of a few 103-104yr. Finally, we make conservative predictions for the number of observed IRDCs that will be observed by the Apex Telescope Galactic Plane Survey, the Herschel Infrared Galactic Plane Survey, the James Clerk Maxwell Telescope Galactic Plane Survey and the SCUBA-2 `All Sky' Survey (SASSy).

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

Journal keyword(s): stars: formation - dust, extinction - infrared: ISM - submillimetre

VizieR on-line data: <Available at CDS (J/MNRAS/399/1506): table1.dat table2.dat table3.dat>

Simbad objects: 217

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Number of rows : 217
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 JCMTSE J172056.6-354044 cor 17 20 56.6 -35 40 44           ~ 3 0
2 MSXDC G351.50+00.66 a Cld 17 21 05.1 -35 41 05           ~ 1 0
3 MSXDC G353.98+00.39 a Cld 17 28 57.7 -33 47 04           ~ 1 0
4 AGAL G353.832+00.267 Y*O 17 29 02.5 -33 59 50           ~ 9 0
5 MSXDC G353.90+00.25 g Cld 17 29 13.6 -33 57 03           ~ 1 0
6 AGAL G353.856+00.222 Y*O 17 29 16.5 -34 00 06           ~ 11 0
7 MSXDC G353.90+00.25 f Cld 17 29 16.8 -34 00 25           ~ 1 0
8 AGAL G353.921+00.256 Y*O 17 29 19.4 -33 55 50           ~ 9 0
9 AGAL G353.976+00.259 cor 17 29 27.094 -33 52 55.15           ~ 13 0
10 MSXDC G353.26-00.16 f Cld 17 29 28.1 -34 43 00           ~ 1 0
11 AGAL G353.954+00.237 Y*O 17 29 28.5 -33 54 44           ~ 11 0
12 JCMTSE J172935.1-344316 smm 17 29 35.1 -34 43 16           ~ 6 0
13 AGAL G353.359-00.337 Y*O 17 30 12.1 -34 43 28           ~ 9 0
14 JCMTSE J173017.0-344217 cor 17 30 17.0 -34 42 17           ~ 3 0
15 JCMTSE J174314.8-294143 smm 17 43 14.8 -29 41 43           ~ 4 0
16 JCMTSE J174321.6-294437 smm 17 43 21.6 -29 44 37           ~ 2 0
17 JCMTSE J174326.7-294531 smm 17 43 26.7 -29 45 31           ~ 2 0
18 MSXDC G359.25+00.01 a Cld 17 43 46.2 -29 33 05           ~ 1 0
19 MSXDC G359.28+00.02 a cor 17 43 49.0 -29 31 00           ~ 2 0
20 JCMTSE J174354.0-292314 smm 17 43 54.0 -29 23 14           ~ 2 0
21 MSXDC G359.28+00.02 b Cld 17 43 54.9 -29 31 05           ~ 1 0
22 JCMTSE J174404.5-293302 smm 17 44 04.5 -29 33 02           ~ 2 0
23 JCMTSE J174425.2-285643 smm 17 44 25.2 -28 56 43           ~ 2 0
24 JCMTSE J174428.9-292426 cor 17 44 29 -29 24.5           ~ 4 0
25 BGPS G359.831+00.185 smm 17 44 29.3 -28 59 01           ~ 5 0
26 AGAL G359.597+00.016 smm 17 44 36 -29 16.4           ~ 8 0
27 JCMTSF J174443.6-290127 smm 17 44 43.6 -29 01 27           ~ 2 0
28 JCMTSE J174444.4-285519 smm 17 44 45 -28 55.3           ~ 3 0
29 MMB G359.938+00.170 cor 17 44 48.55 -28 53 59.4           ~ 15 0
30 BGPSv2 G000.066+00.241 smm 17 44 50.395 -28 44 51.22           ~ 3 0
31 JCMTSE J174457.0-284618 smm 17 44 57.0 -28 46 18           ~ 2 0
32 JCMTSE J174503.4-284618 smm 17 45 03.4 -28 46 18           ~ 2 0
33 JCMTSE J174510.6-283812 smm 17 45 10.6 -28 38 12           ~ 2 0
34 JCMTSE J174514.5-293644 smm 17 45 14.5 -29 36 44           ~ 2 0
35 AGAL G359.489-00.214 smm 17 45 15 -29 29.0           ~ 11 0
36 JCMTSE J174526.3-291608 smm 17 45 26.3 -29 16 08           ~ 2 0
37 MSXDC G359.59+00.02 a Cld 17 45 33.5 -29 24 26           ~ 1 0
38 MSXDC G359.60-00.22 b cor 17 45 33.5 -29 24 26           ~ 1 0
39 JCMTSF J174535.0-292456 smm 17 45 35.0 -29 24 56           ~ 2 0
40 HIGALBM G359.6114-00.2291 cor 17 45 35 -29 23.3           ~ 5 0
41 JCMTSE J174539.0-291132 smm 17 45 40 -29 11.5           ~ 3 0
42 AGAL G359.889-00.099 smm 17 45 44 -29 05.0           ~ 8 0
43 AGAL G000.264+00.032 smm 17 46 07 -28 41.5           ~ 15 0
44 MSXDC G359.79-00.25 b Cld 17 46 11.1 -29 14 04           ~ 1 0
45 AGAL G000.341+00.056 smm 17 46 13.046 -28 36 47.65           ~ 13 0
46 MSXDC G359.81-00.29 a Cld 17 46 20.3 -29 14 05           ~ 1 0
47 AGAL G000.411+00.051 smm 17 46 24 -28 33.6           ~ 9 0
48 AGAL G000.114-00.139 smm 17 46 26.0 -28 54 37           ~ 8 0
49 AGAL G359.912-00.304 cor 17 46 36.3 -29 10 11           ~ 10 0
50 MSXDC G000.13-00.14 b Cld 17 46 38.8 -28 52 05           ~ 1 0
51 MSXDC G359.82-00.37 b Cld 17 46 40.9 -29 15 04           ~ 1 0
52 MSXDC G000.13-00.19 a Cld 17 46 41.8 -28 55 03           ~ 1 0
53 JCMTSE J174643.2-283007 smm 17 46 44 -28 30.2           ~ 3 0
54 AGAL G000.476-00.007 smm 17 46 47.208 -28 32 07.83           ~ 15 0
55 JCMTSE J174648.6-282944 smm 17 46 48.6 -28 29 44           ~ 2 0
56 AGAL G000.566+00.022 smm 17 46 53 -28 26.5           ~ 5 0
57 JCMTSE J174657.8-282332 smm 17 46 57.8 -28 23 32           ~ 2 0
58 JCMTSE J174706.6-285314 smm 17 47 06.6 -28 53 14           ~ 2 0
59 JCMTSE J174707.2-284432 smm 17 47 07.2 -28 44 32           ~ 2 0
60 JCMTSE J174709.6-282208 smm 17 47 10 -28 22.0           ~ 3 0
61 MSXDC G000.36-00.21 a Cld 17 47 19.6 -28 44 01           ~ 1 0
62 AGAL G000.328-00.241 smm 17 47 21 -28 46.8           ~ 5 0
63 MSXDC G000.73-00.01 a Cld 17 47 24.6 -28 19 00           ~ 1 0
64 JCMTSF J174725.4-284538 smm 17 47 25.3863 -28 45 41.926           ~ 5 0
65 JCMTSE J174725.4-284156 smm 17 47 25.4 -28 41 56           ~ 6 0
66 JCMTSE J174733.3-280302 smm 17 47 33.3 -28 03 02           ~ 2 0
67 JCMTSE J174740.1-282132 smm 17 47 40.1 -28 21 32           ~ 6 0
68 JCMTSE J174744.6-281150 smm 17 47 44.6 -28 11 50           ~ 2 0
69 JCMTSE J174744.6-280445 smm 17 47 44.6 -28 04 45           ~ 4 0
70 JCMTSE J174747.8-280157 smm 17 47 47.8 -28 01 57           ~ 2 0
71 JCMTSE J174750.1-280803 smm 17 47 50.1 -28 08 03           ~ 2 0
72 AGAL G000.903-00.026 smm 17 47 51 -28 10.7           ~ 8 0
73 AGAL G001.011+00.032 smm 17 47 53 -28 03.4           ~ 5 0
74 JCMTSE J174755.5-280239 smm 17 47 56.4336 -28 02 35.101           ~ 5 0
75 JCMTSF J174800.1-282714 smm 17 48 00.1 -28 27 14           ~ 2 0
76 JCMTSE J174814.6-280550 smm 17 48 14.6 -28 05 50           ~ 2 0
77 JCMTSE J174826.6-274949 smm 17 48 26.6 -27 49 49           ~ 2 0
78 JCMTSE J174831.4-280826 smm 17 48 31.4 -28 08 26           ~ 2 0
79 JCMTSE J174833.4-274836 smm 17 48 31.5728 -27 48 46.173           ~ 5 0
80 AGAL G001.544+00.142 smm 17 48 42 -27 32.5           ~ 5 0
81 BGPS G001.102-00.144 smm 17 48 47 -28 03.7           ~ 8 0
82 JCMTSE J174851.3-280356 smm 17 48 52 -28 04.0           ~ 3 0
83 AGAL G001.474+00.041 smm 17 48 55.8 -27 39 17           ~ 8 0
84 JCMTSE J174856.9-275047 smm 17 48 56.9 -27 50 47           ~ 2 0
85 JCMTSE J174906.9-274946 smm 17 49 06.9 -27 49 46           ~ 2 0
86 JCMTSE J174914.3-274211 smm 17 49 14.3 -27 42 11           ~ 2 0
87 JCMTSE J174915.8-280531 smm 17 49 16 -28 05.5           ~ 3 0
88 JCMTSE J174930.3-275848 smm 17 49 31.7390 -27 59 16.020           ~ 5 0
89 JCMTSF J174934.7-274212 smm 17 49 34.7 -27 42 12           ~ 2 0
90 JCMTSE J174936.6-273248 smm 17 49 36.6 -27 32 48           ~ 2 0
91 AGAL G001.647-00.062 DNe 17 49 44 -27 33.5           ~ 11 0
92 MSXDC G001.62-00.08 a Cld 17 49 48.6 -27 35 01           ~ 1 0
93 AGAL G001.692-00.171 DNe 17 50 15 -27 34.6           ~ 9 0
94 MSXDC G002.51+00.18 b Cld 17 50 43.4 -26 40 21           ~ 1 0
95 AGAL G002.534+00.199 cor 17 50 46 -26 39.8           ~ 21 0
96 MSXDC G002.51+00.18 a Cld 17 50 48.5 -26 39 30           ~ 1 0
97 MSXDC G004.33-00.04 a Cld 17 55 48.0 -25 14 01           ~ 1 0
98 MSXDC G004.33-00.04 c Cld 17 55 51.9 -25 13 01           ~ 1 0
99 MSXDC G006.09-01.36 a Cld 18 04 40.6 -24 21 05           ~ 1 0
100 MSXDC G006.06-01.39 a Cld 18 04 43.5 -24 24 02           ~ 1 0
101 MSXDC G006.09-01.39 a Cld 18 04 47.3 -24 22 04           ~ 1 0
102 AGAL G008.831-00.027 cor 18 05 25.678 -21 19 24.47           ~ 22 0
103 MSXDC G008.83-00.05 a Cld 18 05 26.3 -21 19 04           ~ 1 0
104 MSXDC G008.83-00.05 e Cld 18 05 27.7 -21 20 17           ~ 1 0
105 AGAL G009.851-00.031 Y*O 18 07 34 -20 26.4           ~ 12 0
106 JCMTSE J180938.7-194512 smm 18 09 39 -19 45.2           ~ 8 0
107 JCMTSE J180940.8-194336 smm 18 09 40.8 -19 43 36           ~ 2 0
108 JCMTSE J180944.4-194712 smm 18 09 44.4 -19 47 12           ~ 2 0
109 AGAL G010.742-00.126 Y*O 18 09 45.9 -19 42 04           ~ 19 0
110 JCMTSE J180949.1-194442 smm 18 09 49.1 -19 44 42           ~ 2 0
111 AGAL G010.669-00.201 Y*O 18 09 54 -19 48.2           ~ 18 0
112 MSXDC G010.94-00.05 a Cld 18 09 55.7 -19 29 03           ~ 1 0
113 AGAL G010.752-00.197 Y*O 18 10 03 -19 43.6           ~ 14 0
114 AGAL G010.991-00.082 MoC 18 10 07 -19 27.8           ~ 28 0
115 MSXDC G010.57-00.30 a Cld 18 10 08.1 -19 55 03           ~ 1 0
116 JCMTSE J181009.0-194507 smm 18 10 09 -19 45.1           ~ 7 0
117 JCMTLSP J181012.9-192427 smm 18 10 13 -19 24.4           ~ 4 0
118 JCMTLSP J181018.2-192441 cor 18 10 18 -19 24.7           ~ 4 0
119 MSXDC G011.11-00.11 a Cld 18 10 32.0 -19 22 31           ~ 2 0
120 AGAL G011.126-00.127 Y*O 18 10 33 -19 22.0           ~ 17 0
121 JCMTSF J181034.8-191702 smm 18 10 34.8 -19 17 02           ~ 2 0
122 MSXDC G011.11-00.11 f Cld 18 10 35.4 -19 21 02           ~ 1 0
123 JCMTLSP J181037.4-191818 smm 18 10 37 -19 18.3           ~ 3 0
124 JCMTLSP J181039.9-191141 smm 18 10 40 -19 11.7           ~ 3 0
125 MSXDC G012.37+00.50 c Cld 18 10 54.4 -17 55 02           ~ 1 0
126 MSXDC G012.88+00.53 c Cld 18 11 42.5 -17 30 03           ~ 1 0
127 AGAL G012.889+00.516 Y*O 18 11 45.41 -17 30 39.7           ~ 12 0
128 JCMTSE J181320.6-181220 smm 18 13 21 -18 12.3           ~ 8 0
129 MSXDC G012.44-00.20 a Cld 18 13 30.9 -18 14 03           ~ 1 0
130 [ERG2015] 2672 cor 18 13 32 -18 11.3           ~ 10 0
131 AGAL G012.496-00.222 cor 18 13 42 -18 12.7           ~ 23 0
132 MSXDC G013.15+00.09 a Cld 18 13 49.6 -17 28 04           ~ 1 0
133 [VRC2001] L328 SMM 1 smm 18 17 00.4 -18 02 04           ~ 5 0
134 JCMTSE J181725.7-172049 smm 18 17 25.7 -17 20 49           ~ 2 0
135 MSXDC G017.01+00.78 a Cld 18 18 55.8 -13 45 02           ~ 1 0
136 MSXDC G017.03+00.71 a Cld 18 19 13.0 -13 46 03           ~ 1 0
137 MSXDC G017.00+00.67 a Cld 18 19 22.5 -13 49 03           ~ 1 0
138 MSXDC G017.10+00.71 a Cld 18 19 25.1 -13 43 03           ~ 1 0
139 MSXDC G017.10+00.71 b Cld 18 19 26.4 -13 41 02           ~ 1 0
140 AGAL G018.564-00.089 cor 18 25 07 -12 47.9           ~ 16 0
141 NAME IRDC 18223-3 Y*O 18 25 08 -12 45.5           ~ 80 0
142 JCMTLSP J182517.1-125529 smm 18 25 17 -12 55.5           ~ 3 0
143 JCMTLSP J182520.3-125024 smm 18 25 20 -12 50.4           ~ 3 0
144 AGAL G018.493-00.199 cor 18 25 23 -12 55.0           ~ 18 0
145 AGAL G019.286+00.082 Y*O 18 25 52.11528 -12 04 49.8900           ~ 30 0
146 MSXDC G018.99-00.30 b Cld 18 26 44.4 -12 30 04           ~ 1 0
147 AGAL G022.376+00.447 Y*O 18 30 24 -09 10.6           ~ 47 0
148 JCMTLSP J183029.8-091239 smm 18 30 30 -09 12.7           ~ 3 0
149 HIGALBM G023.9986+00.1557 smm 18 34 28.8 -07 52 21           ~ 6 0
150 JCMTSE J183526.9-080814 smm 18 35 26 -08 08.2           ~ 3 0
151 JCMTSE J183540.1-071514 smm 18 35 40.1 -07 15 14           ~ 2 0
152 [PWC2006] NH3 G24.63+0.15 Cld 18 35 40.44 -07 18 42.3           ~ 4 0
153 MSXDC G024.60+00.08 d Cld 18 35 40.7 -07 21 01           ~ 1 0
154 MSXDC G024.60+00.08 b Cld 18 35 40.9 -07 16 05           ~ 1 0
155 AGAL G024.373-00.159 Y*O 18 36 18.23 -07 41 01.1           ~ 14 0
156 AGAL G024.378-00.209 cor 18 36 29.9 -07 42 05           ~ 14 0
157 JCMTSE J183712.0-071126 smm 18 37 12.0 -07 11 28           ~ 7 0
158 MSXDC G025.42+00.10 a Cld 18 37 17.7 -06 37 03           ~ 1 0
159 AGAL G024.923-00.159 Y*O 18 37 19.399 -07 11 45.54           ~ 8 0
160 MSXDC G025.04-00.20 DNe 18 37 26.6 -07 09 14           ~ 8 0
161 JCMTSE J183734.6-070726 smm 18 37 34.6 -07 07 26           ~ 2 0
162 JCMTSE J183738.2-070550 smm 18 37 38.2 -07 05 50           ~ 2 0
163 MSXDC G025.12-00.16 a Cld 18 37 42.6 -07 01 00           ~ 1 0
164 MSXDC G025.37-00.06 a Cld 18 38 02.7 -06 43 04           ~ 1 0
165 AGAL G028.364+00.121 cor 18 42 40.01 -04 00 34.4           ~ 31 0
166 JCMTLSP J184247.9-040130 smm 18 42 48 -04 01.5           ~ 4 0
167 AGAL G028.344+00.061 cor 18 42 50.45 -04 03 17.7           ~ 93 0
168 NAME Dragon Nebula DNe 18 42 50.6 -04 03 30           ~ 177 0
169 AGAL G028.398+00.081 cor 18 42 51.86 -03 59 43.3           ~ 60 0
170 AGAL G028.374+00.054 smm 18 42 56 -04 01.9           ~ 9 0
171 AGAL G028.388+00.037 MoC 18 42 59.99 -04 01 33.1           ~ 29 0
172 MSXDC G027.93-00.34 a Cld 18 43 30.8 -04 36 04           ~ 1 0
173 AGAL G028.541-00.237 Y*O 18 44 15.38 -04 00 50.7           ~ 25 0
174 AGAL G028.526-00.251 Y*O 18 44 17.05 -04 02 01.5           ~ 33 0
175 AGAL G028.564-00.236 cor 18 44 17.69 -03 59 26.5           ~ 53 0
176 MSXDC G028.53-00.25 e Cld 18 44 17.7 -03 58 16           ~ 1 0
177 AGAL G028.539-00.269 MoC 18 44 23.79 -04 02 11.5           ~ 17 0
178 JCMTLSP J184428.0-035747 smm 18 44 28 -03 57.8           ~ 4 0
179 AGAL G030.786+00.204 Mas 18 46 48 -01 49.0           ~ 23 0
180 AGAL G031.024+00.262 cor 18 47 01 -01 34.7           ~ 22 0
181 JCMTLSP J184701.2-013310 smm 18 47 01 -01 33.2           ~ 4 0
182 JCMTLSP J184707.3-013434 smm 18 47 07 -01 34.6           ~ 3 0
183 AGAL G031.394+00.306 Y*O 18 47 32 -01 13.6           ~ 14 0
184 MSXDC G031.33+00.12 a Cld 18 48 05.1 -01 21 04           ~ 1 0
185 AGAL G031.239+00.062 Y*O 18 48 08 -01 28.7           ~ 10 0
186 JCMTLSP J184807.8-012624 smm 18 48 08 -01 26.4           ~ 3 0
187 MSXDC G031.32+00.09 a Cld 18 48 10.4 -01 23 01           ~ 1 0
188 AGAL G030.971-00.141 cor 18 48 22.0 -01 48 29           ~ 43 1
189 AGAL G031.946+00.076 cor 18 49 21.9 -00 50 35           ~ 23 0
190 BGPS G031.962+00.065 cor 18 49 27 -00 49.9           ~ 12 0
191 AGAL G033.623-00.032 Y*O 18 52 48.6 +00 36 02           ~ 10 0
192 JCMTSE J185252.6+003832 smm 18 52 53 +00 38.6           ~ 3 0
193 JCMTSE J185253.8+004120 smm 18 52 54 +00 41.3           ~ 6 0
194 MSXDC G033.69-00.01 d Cld 18 52 55.6 +00 36 01           ~ 1 0
195 AGAL G033.744-00.007 Y*O 18 52 57 +00 43.0           ~ 13 0
196 JCMTSF J185318.9+012650 smm 18 53 20 +01 26.7           ~ 3 0
197 MSXDC G034.94+00.37 a Cld 18 53 44.2 +01 57 04           ~ 1 0
198 AGAL G038.957-00.466 Y*O 19 04 07.4 +05 08 48           ~ 24 0
199 MSXDC G042.75+00.01 a Cld 19 09 25.2 +08 44 01           ~ 1 0
200 MSXDC G042.75-00.19 a Cld 19 10 13.0 +08 38 01           ~ 1 0
201 NAME W51 IR Dark Cloud cor 19 21 45.3 +13 49 22           ~ 21 0
202 JCMTSE J192207.4+133713 smm 19 22 07.4 +13 37 13           ~ 3 0
203 NAME Cyg X Cld 20 30 04.7973633 +40 51 36.002197           ~ 962 1
204 BGPS G079.248+00.449 smm 20 31 38.0286 +40 19 42.585           ~ 6 0
205 [CFR2000] G079.3+0.3 P3 cor 20 31 57.1123 +40 18 22.717           ~ 13 0
206 MSXDC G081.69+00.71 a Cld 20 38 21.2 +42 26 04           ~ 1 0
207 MSXDC G081.56+00.57 a Cld 20 38 27.4 +42 15 04           ~ 1 0
208 MSXDC G081.60+00.58 a Cld 20 38 33.7 +42 17 04           ~ 1 0
209 MSXDC G081.57+00.50 b Cld 20 38 44.7 +42 14 00           ~ 1 0
210 JCMTSE J203851.6+422717 smm 20 38 51.6 +42 27 17           ~ 2 0
211 NAME DR 21(OH) N PoC 20 38 59.9 +42 23 33           ~ 19 0
212 MSXDC G080.88-00.12 a Cld 20 39 16.7 +41 17 02           ~ 1 0
213 JCMTSF J203924.9+421555 smm 20 39 24.9 +42 15 55           ~ 2 0
214 MSXDC G081.49+00.13 b Cld 20 40 02.2 +41 57 01           ~ 1 0
215 MSXDC G081.49+00.13 a Cld 20 40 11.5 +41 56 01           ~ 1 0
216 NAME Centaurus Arm PoG ~ ~           ~ 88 0
217 NAME Scutum Spiral Arm PoG ~ ~           ~ 393 0

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