2014A&A...572A..20L

Query : 2014A&A...572A..20L

2014A&A...572A..20L - Astronomy and Astrophysics, volume 572A, 20-20 (2014/12-1)

Dust properties inside molecular clouds from coreshine modeling and observations.

LEFEVRE C., PAGANI L., JUVELA M., PALADINI R., LALLEMENT R., MARSHALL D.J., ANDERSEN M., BACMANN A., McGEHEE P.M., MONTIER L., NORIEGA-CRESPO A., PELKONEN V.-M., RISTORCELLI I. and STEINACKER J.

Abstract (from CDS):

Using observations to deduce dust properties, grain-size distribution, and physical conditions in molecular clouds is a highly degenerate problem. The coreshine phenomenon, a scattering process at 3.6 and 4.5µm that dominates absorption, has revealed its ability to explore the densest parts of clouds. We use this effect to constrain the dust parameters. The goal is to investigate to what extent grain growth (at constant dust mass) inside molecular clouds is able to explain the coreshine observations. We aim to find dust models that can explain a sample of Spitzer coreshine data. We also examine the consistency with near-infrared data we obtained for a few clouds. We selected four regions with a very high occurrence of coreshine cases: Taurus-Perseus, Cepheus, Chameleon, and L183/L134. We built a grid of dust models and investigated the key parameters to reproduce the general trend of surface brightnesses and intensity ratios of both coreshine and near-infrared observations with the help of a 3D Monte Carlo radiative transfer code. The grid parameters allowed us to investigate the effect of coagulation upon spherical grains up to 5µm in size derived from the DustEm diffuse interstellar medium grains. Fluffiness (porosity or fractal degree), ices, and a handful of classical grain-size distributions were also tested. We used the near- and mostly mid-infrared intensity ratios as strong discriminants between dust models. The determination of the background-field intensity at each wavelength is a key issue. In particular, an especially strong background field explains why we do not see coreshine in the Galactic plane at 3.6 and 4.5µm. For starless cores, where detected, the observed 4.5µm/3.6µm coreshine intensity ratio is always lower than ∼0.5, which is also what we find in the models for the Taurus-Perseus and L183 directions. Embedded sources can lead to higher fluxes (up to four times higher than the strongest starless core fluxes) and higher coreshine ratios (from 0.5 to 1.1 in our selected sample). Normal interstellar radiation-field conditions are sufficient to find suitable grain models at all wavelengths for starless cores. The standard interstellar grains are not able to reproduce observations and, because of the multiwavelength approach, only a few grain types meet the criteria set by the data. Porosity does not affect the flux ratios, while the fractal dimension helps to explain coreshine ratios, but does not seem able to reproduce near-infrared observations without a mix of other grain types. Combined near- and mid-infrared wavelengths confirm the potential of revealing the nature and size distribution of dust grains. Careful assessment of the environmental parameters (interstellar and background fields, embedded or nearby reddened sources) is required to validate this new diagnostic.

Abstract Copyright: ∼

Journal keyword(s): ISM: clouds - dust, extinction - infrared: ISM - radiative transfer

Simbad objects: 292

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Number of rows : 292
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 LDN 1301 DNe 00 44 06 +62 30.0           ~ 9 0
2 LBN 122.71-12.11 MoC 00 49 29 +50 44.6           ~ 27 0
3 PLCKECC G131.35-45.73 cor 01 15 57.6 +16 44 08           ~ 4 0
4 LDN 1325 DNe 01 29 52 +63 05.5           ~ 7 0
5 PLCKECC G127.88+02.66 cor 01 38 39.1 +65 05 07           ~ 9 0
6 PLCKECC G128.95-00.18 cor 01 43 15.2 +62 04 39           ~ 8 0
7 LDN 1345 DNe 01 56 55 +62 41.3           ~ 8 0
8 LDN 1333 DNe 02 26 04 +75 28.5           ~ 60 0
9 JCMTSF J022611.7+752732 smm 02 26 11.7 +75 27 32           ~ 2 0
10 PLCKECC G130.56+11.51 cor 02 35 56.4 +72 48 55           ~ 4 0
11 LDN 1355 DNe 02 52.7 +69 02           ~ 22 0
12 PLCKECC G158.88-34.18 cor 02 55 48.3 +19 51 51           ~ 5 0
13 LDN 1457 DNe 02 55.9 +19 35           ~ 85 1
14 PLCKECC G159.67-34.31 cor 02 57 47.0 +19 23 09           ~ 5 0
15 PLCKECC G158.97-33.01 cor 02 58 50.1 +20 47 23           ~ 4 0
16 LDN 1448 DNe 03 22.5 +30 35           ~ 515 0
17 IRAS F03226+3033 Y*O 03 25 38.83 +30 44 06.2           ~ 335 0
18 PLCKECC G128.25+20.78 cor 03 25 46.9 +82 00 25           ~ 4 0
19 PLCKECC G158.86-21.60 cor 03 27 54.2 +30 08 34           ~ 5 0
20 2MASS J03280041+3008012 Y*O 03 28 00.411 +30 08 01.28           ~ 53 0
21 LDN 1455 DNe 03 28 00.6480 +30 07 58.800           ~ 186 1
22 PLCKECC G154.68-15.34 cor 03 30 35.2 +37 31 28           ~ 5 0
23 IRAS 03282+3035 cor 03 31 20.98 +30 45 30.1           ~ 176 0
24 Barnard 1 MoC 03 33 16.3 +31 07 51           ~ 324 0
25 2MASS J03331667+3107548 Y*O 03 33 16.68 +31 07 54.9           ~ 125 2
26 NAME Perseus Cloud SFR 03 35.0 +31 13           ~ 1363 0
27 PLCKECC G155.45-14.59 cor 03 35 52.0 +37 41 03           ~ 4 0
28 IRAS 03330+3727 * 03 36 20.7320143488 +37 37 49.795872960           ~ 1 0
29 NAME Per Region reg 03 37 00.0 +31 15 00           ~ 271 0
30 PLCKECC G160.51-16.84 cor 03 47 34.3 +32 53 12           ~ 5 0
31 IRAS 03445+3242 Y*O 03 47 41.603 +32 51 43.79           ~ 201 0
32 LDN 1471 DNe 03 48.0 +32 54           ~ 329 0
33 IRAS 03484+3845 * 03 51 44.7951046056 +38 53 56.636080728           ~ 1 0
34 PLCKECC G157.12-11.56 cor 03 51 59.2 +39 01 55           ~ 7 0
35 PLCKECC G157.10-08.70 cor 04 01 41.6 +41 12 37           ~ 5 0
36 IRAS 03586+4112 * 04 02 02.7115496112 +41 21 10.872814572           ~ 1 0
37 LDN 1389 MoC 04 04 38 +56 56.2           ~ 91 0
38 IRAS 04016+2610 Y*O 04 04 43.07064 +26 18 56.3904           ~ 259 0
39 PLCKECC G169.82-19.39 cor 04 09 12.1 +24 58 39           ~ 5 0
40 LDN 1498 DNe 04 11.0 +24 58           ~ 286 0
41 PLCKECC G170.81-18.34 cor 04 15 23.3 +25 01 24           ~ 4 0
42 PLCKECC G149.41+03.37 cor 04 17 09.1 +55 17 39           ~ 9 0
43 PLCKECC G149.58+03.45 cor 04 18 24.0 +55 13 31           ~ 10 0
44 LDN 1506C DNe 04 18 50.0 +25 19 15           ~ 9 0
45 NAME Auriga reg 04 20 00.0 +38 05 00           ~ 207 0
46 PLCKECC G174.50-19.88 cor 04 20 40.1 +21 24 32           ~ 4 0
47 IRAS 04181+2654 Y*O 04 21 11.46888 +27 01 09.4044           G0-M3 63 0
48 PLCKECC G170.26-16.02 cor 04 21 21.5 +26 59 29           ~ 6 0
49 IRAS 04191+1523 Y*O 04 22 00.43944 +15 30 21.2148           ~ 199 0
50 PLCKECC G162.90-08.63 cor 04 23 20.5 +37 17 33           ~ 4 0
51 PLCKECC G150.22+03.91 cor 04 23 51.7 +55 06 22           ~ 8 0
52 PLCKECC G170.99-15.81 cor 04 24 10.4 +26 37 17           ~ 6 0
53 NAME [BM89] L1521B cor 04 24 12.7 +26 36 53           ~ 72 0
54 IRAS 04218+3708 FIR 04 25 07.83 +37 15 19.3           ~ 3 0
55 PLCKECC G163.21-08.40 cor 04 25 13.3 +37 13 49           ~ 4 0
56 PLCKECC G163.32-08.42 cor 04 25 31.8 +37 08 19           ~ 5 0
57 2MASS J04253980+3707082 Y*O 04 25 39.804 +37 07 08.25           ~ 11 0
58 [EM98] DG Tau B cRN Y*O 04 27 02.66088 +26 05 30.4548           ~ 177 0
59 PLCKECC G171.91-15.65 cor 04 27 20.3 +26 03 50           ~ 6 0
60 PLCKECC G177.89-20.16 cor 04 28 34.7 +18 48 49           ~ 5 0
61 LDN 1521F DNe 04 28 39.3 +26 51 43           ~ 209 1
62 PLCKECC G171.49-14.90 cor 04 28 39.7 +26 51 57           ~ 5 0
63 NAME [BM89] L1521E DNe 04 29 21.0 +26 14 19           ~ 105 1
64 [LM99] L1521-2 cor 04 29 31.8 +26 59 59           ~ 7 0
65 PLCKECC G151.45+03.95 cor 04 29 56.3 +54 14 52           ~ 9 0
66 [LM99] L1524-4 cor 04 30 05.7 +24 25 16           ~ 12 0
67 [LM99] B18-1 cor 04 31 57.7 +24 32 30           ~ 4 0
68 Haro 6-13 Or* 04 32 15.4174258632 +24 28 59.577717108 19.22   17.7     M0 214 1
69 IRAS 04294+2413 Y*O 04 32 31.4 +24 20 02           ~ 9 0
70 [LM99] 38 cor 04 32 36.7 +24 52 05           ~ 10 0
71 PLCKECC G173.69-15.55 cor 04 32 39.2 +24 50 09           ~ 4 0
72 NAME Kutner's Cloud MoC 04 32 44.6 +24 23 13           ~ 272 0
73 PLCKECC G179.18-19.62 cor 04 33 34.8 +18 12 30           ~ 4 0
74 PLCKECC G174.44-15.75 cor 04 34 03.2 +24 09 45           ~ 5 0
75 [LM99] B18-3 cor 04 34 06.1 +24 09 45           ~ 10 1
76 IRAS 04325+2402 Y*O 04 35 35.39160 +24 08 19.4244           ~ 159 0
77 [LM99] 46 cor 04 35 51.3 +24 09 21           ~ 17 0
78 [CB88] 20 MoC 04 36 11 +24 43.3           ~ 4 0
79 IRAS 04361+2547 Y*O 04 39 13.89288 +25 53 20.8788           ~ 196 1
80 PLCKECC G173.45-13.34 cor 04 39 29.1 +26 26 43           ~ 3 0
81 LDN 1503 DNe 04 40.4 +29 56           ~ 25 0
82 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4414 0
83 PLCKECC G174.08-13.24 cor 04 41 34.8 +26 01 46           ~ 4 0
84 PLCKECC G174.39-13.43 cor 04 41 46.1 +25 40 36           ~ 4 0
85 LDN 1507A DNe 04 42 38.3 +29 43 45           ~ 18 0
86 PLCKECC G171.34-10.67 cor 04 42 45.8 +29 44 28           ~ 4 0
87 Haro 6-36 TT* 04 43 20.2232182920 +29 40 06.053753352           M5.5 50 0
88 LDN 1507 MoC 04 43 32 +29 40.0           ~ 35 0
89 PLCKECC G171.51-10.59 cor 04 43 32.5 +29 39 26           ~ 5 0
90 PLCKECC G182.19-17.71 cor 04 47 15.2 +17 07 34           ~ 4 0
91 PLCKECC G171.80-09.78 cor 04 47 15.8 +29 57 34           ~ 4 0
92 PLCKECC G203.57-30.08 cor 04 47 58.3 -05 56 07           ~ 4 0
93 PLCKECC G170.77-08.51 cor 04 48 49.0 +31 33 00           ~ 4 0
94 LDN 1517C PoC 04 54 47.4 +30 34 48           ~ 20 0
95 LDN 1517A PoC 04 55 06.3 +30 33 40           ~ 25 0
96 NAME [BM89] L1517B cor 04 55 18.8 +30 38 04           ~ 147 0
97 LDN 1517 DNe 04 55 45 +30 33.0           ~ 122 0
98 [DB2002b] G155.76+5.91 MoC 04 58 30 +52 15.7           ~ 43 0
99 IRAS 04559+5200 FIR 04 59 52.4 +52 04 45           ~ 10 0
100 LDN 1439 DNe 05 00 09 +52 04.9           ~ 93 0
101 LDN 1512 MoC 05 04 09.7 +32 43 09           ~ 174 0
102 LDN 1544 DNe 05 04 16.6 +25 10 48           ~ 862 0
103 PLCKECC G190.15-14.34 cor 05 16 45.9 +12 45 45           ~ 7 0
104 LDN 1552 DNe 05 17.7 +26 03           ~ 23 0
105 PLCKECC G195.09-16.41 cor 05 19 53.9 +07 37 24           ~ 6 0
106 PLCKECC G196.21-15.50 cor 05 25 17.3 +07 10 12           ~ 6 0
107 PLCKECC G198.03-15.24 cor 05 29 45.1 +05 46 55           ~ 6 0
108 PLCKECC G209.28-19.62 cor 05 34 52.2 -05 44 06           ~ 5 0
109 PLCKECC G145.87+17.77 cor 05 35 16.8 +66 52 38           ~ 4 0
110 PLCKECC G159.65+11.39 cor 05 42 17.0 +52 07 48           ~ 4 0
111 PLCKECC G214.69-19.94 cor 05 42 43.8 -10 26 42           ~ 5 0
112 JCMTSF J054429.8+090856 DNe 05 44 30 +09 08.8           ~ 22 0
113 NAME Gal Anticenter reg 05 46 +28.9           ~ 910 0
114 PLCKECC G215.41-16.39 cor 05 56 58.0 -09 32 28           ~ 8 0
115 PLCKECC G219.26-17.89 cor 05 57 46.2 -13 30 21           ~ 5 0
116 PLCKECC G202.21-09.17 cor 05 59 03.0 +05 12 05           ~ 6 0
117 PLCKECC G216.76-16.06 cor 06 00 25.7 -10 33 37           ~ 5 0
118 [DB2002b] G192.70-2.94 MoC 06 02 32 +16 29.8           ~ 5 0
119 [DB2002b] G192.58-2.82 MoC 06 02 42 +16 39.9           ~ 8 0
120 PLCKECC G211.70-12.17 cor 06 05 47.4 -04 26 58           ~ 4 0
121 LDN 1570 DNe 06 07 28.4 +19 28 04           ~ 43 0
122 PLCKECC G216.69-13.88 cor 06 08 18.7 -09 33 38           ~ 4 0
123 [DB2002b] G203.01-3.74 MoC 06 19 51 +07 04.8           ~ 4 0
124 LDN 1633 DNe 06 24 43 +03 22.2           ~ 14 0
125 PLCKECC G219.35-09.70 cor 06 28 10.0 -10 04 42           ~ 4 0
126 PLCKECC G219.28-09.27 cor 06 29 38.1 -09 49 43           ~ 5 0
127 PLCKECC G219.37-07.68 cor 06 35 33.2 -09 12 20           ~ 4 0
128 PLCKECC G227.30-03.77 cor 07 04 19.9 -14 30 18           ~ 4 0
129 CG 13 CGb 07 14 11.3 -48 28 32           ~ 19 0
130 [DB2002b] G253.81-10.91 DNe 07 29 33 -41 10.5           ~ 13 0
131 [DB2002b] G259.43-12.72 DNe 07 34 09 -46 54.3           ~ 31 1
132 TGU H1654 MoC 08 05 26 -39 08.9           ~ 15 0
133 CG 31 CGb 08 08 57 -35 59.4           ~ 33 0
134 CG 30 CGb 08 09 32.8 -36 05 00           ~ 130 0
135 [DB2002b] G252.51+0.07 DNe 08 14.3 -34 31           ~ 14 0
136 DCld 257.3-02.5 DNe 08 17 11 -39 53.0           ~ 7 0
137 [DB2002b] G265.65-7.71 MoC 08 18 40 -49 43.9           ~ 10 0
138 DCld 266.0-07.5 DNe 08 21 01 -49 50.5           ~ 6 0
139 NAME ESO 210- 6A MoC 08 25 44 -51 02.1           ~ 40 1
140 [DB2002b] G267.94-7.80 MoC 08 26 12 -51 39.3           ~ 8 0
141 BHR 34 MoC 08 26 34 -50 39.9           ~ 18 0
142 BHR 37 MoC 08 26 40 -51 01.6           ~ 19 0
143 IRAS 08261-5100 MoC 08 27 38.9 -51 10 38           ~ 29 0
144 [DB2002b] G253.60+2.94 MoC 08 28 44.0 -33 45 12           ~ 34 0
145 BHR 40 MoC 08 32 01 -50 32.8           ~ 9 0
146 NAME Vela XYZ Rad 08 34.0 -45 50           ~ 1229 2
147 BHR 38 MoC 08 34 09 -50 18.4           ~ 6 0
148 BHR 39 MoC 08 34 20 -50 24.5           ~ 2 0
149 [DB2002b] G276.21-10.57 MoC 08 44 14 -59 54.0           ~ 10 0
150 DCld 265.3-00.0 MoC 08 53 43 -44 48.0           ~ 9 0
151 [DB2002b] G269.42+3.01 MoC 09 22 19 -45 48.9           ~ 14 0
152 TGU H1712 P5 MoC 09 26 19 -45 11.0           ~ 11 0
153 BHR 53 MoC 09 28 47 -51 36.7           ~ 15 0
154 [DB2002b] G272.45+2.00 MoC 09 31 03 -48 38.4           ~ 8 0
155 BHR 55 MoC 09 46 51 -51 06.4           ~ 16 0
156 PLCKECC G295.13-17.56 cor 10 17 09.1 -78 01 48           ~ 3 0
157 PLCKECC G297.09-16.02 cor 11 02 39.4 -77 38 41           ~ 3 0
158 [DB2002b] G291.05-1.65 MoC 11 07 07 -62 05.8           ~ 16 0
159 PLCKECC G298.34-13.03 cor 11 40 03.7 -75 16 11           ~ 3 0
160 NAME Chamaeleon Region SFR 11 55 -78.0           ~ 806 0
161 [B2001b] IRS 1 Y*O 12 01 36.53040 -65 08 51.9180           ~ 153 0
162 BHR 71 MoC 12 01 37 -65 08.8           ~ 154 0
163 NAME Musca Cld 12 23 -71.3           ~ 221 0
164 [DB2002b] G300.56-3.13 MoC 12 28 18 -65 54.0           ~ 8 0
165 [LM99] 111 cor 12 29 36.6 -71 10 39           ~ 6 0
166 [DB2002b] G301.22-0.38 MoC 12 36 19 -63 12.6           ~ 12 0
167 CG 19 Y*O 12 45 39.93 -55 25 22.0           ~ 11 0
168 PLCKECC G302.89-14.05 cor 12 50 46.2 -76 55 33           ~ 3 0
169 PLCKECC G303.09-16.04 cor 12 54 36.9 -78 54 51           ~ 4 0
170 PLCKECC G303.15-17.34 cor 12 56 29.4 -80 13 04           ~ 3 0
171 PLCKECC G303.28-13.32 cor 12 57 15.3 -76 11 33           ~ 3 0
172 2MASS J12590656-7707401 Y*O 12 59 06.56 -77 07 40.1           K4.5 48 0
173 PLCKECC G303.39-14.26 cor 12 59 33.5 -77 07 48           ~ 3 0
174 Hen 3-854 Or* 13 05 20.6574078672 -77 39 01.506188880   13.88 12.40     K5 45 0
175 PLCKECC G303.68-15.32 cor 13 05 36.5 -78 10 40           ~ 3 0
176 PLCKECC G303.72-14.86 cor 13 05 54.6 -77 42 45           ~ 3 0
177 Sandqvist 160 DNe 13 06.9 -77 01           ~ 41 0
178 LDN 1780 DNe 15 39.7 -07 10           ~ 80 0
179 [DB2002b] G338.16+16.40 DNe 15 40 32 -34 39.7           ~ 8 0
180 [LM99] DC 3388+165-2 cor 15 42 19.3 -33 50 59           ~ 6 0
181 LDN 134 MoC 15 53 36.3 -04 35 26           ~ 207 0
182 LDN 134A DNe 15 53 36.4 -04 35 26           ~ 49 0
183 PLCKECC G006.04+36.74 cor 15 54 10.8 -02 50 56           ~ 5 0
184 LDN 183 MoC 15 54 12.2 -02 49 42           ~ 759 1
185 PLCKECC G011.40+36.19 cor 16 06 03.6 +00 19 33           ~ 4 0
186 HD 147888 ** 16 25 24.2915998776 -23 27 36.747568152 6.71 7.05 6.74     B3V 215 0
187 LDN 1681 DNe 16 27 05.4 -24 37 24           ~ 22 0
188 PLCKECC G354.19+16.27 cor 16 31 38.8 -24 00 00           ~ 3 0
189 [TMF2000] rho Oph 9 PoC 16 32 39.4 -23 52 32           ~ 3 0
190 LDN 43 DNe 16 34 29.3 -15 47 11           ~ 142 1
191 LDN 260 DNe 16 46 58.2 -09 36 20           ~ 43 0
192 PLCKECC G008.67+22.14 cor 16 47 07.8 -09 35 50           ~ 5 0
193 PLCKECC G006.41+20.56 cor 16 47 28.7 -12 13 53           ~ 4 0
194 PLCKECC G006.08+20.26 cor 16 47 44.4 -12 39 22           ~ 4 0
195 [LM99] L204C-2 cor 16 47 46.2 -12 23 19           ~ 8 0
196 LDN 191 DNe 16 47.8 -12 45           ~ 13 0
197 LDN 158 DNe 16 47 50 -14 05.3           ~ 33 0
198 LDN 234E DNe 16 48 04.5 -10 56 58           ~ 26 0
199 LDN 162 DNe 16 49 03 -14 10.7           ~ 21 0
200 PLCKECC G005.03+19.07 cor 16 49 19.8 -14 09 21           ~ 4 0
201 LDN 63 DNe 16 50 15.5 -18 06 06           ~ 76 0
202 PLCKECC G004.92+17.95 cor 16 52 50.4 -14 53 41           ~ 4 0
203 LDN 146 MoC 16 57 17.5 -16 09 18           ~ 76 1
204 LDN 4 DNe 17 03 00 -22 13.6           ~ 6 0
205 PLCKECC G356.96+07.27 cor 17 10 30.8 -27 26 02           ~ 3 0
206 LDN 1746 DNe 17 11.3 -27 22           ~ 138 0
207 LDN 111 DNe 17 15.2 -20 21           ~ 12 0
208 LDN 100 DNe 17 15 55.670 -20 56 02.93           ~ 34 0
209 PLCKECC G003.07+09.95 cor 17 16 05.4 -20 57 03           ~ 3 0
210 LDN 173 DNe 17 17.4 -18 31           ~ 14 0
211 LDN 1772 DNe 17 19.8 -26 38           ~ 10 0
212 LDN 57 DNe 17 22 38.2 -23 49 34           ~ 313 1
213 NAME Snake DCld DNe 17 23 39 -23 41.7           ~ 20 0
214 DCld 001.6+03.8 DNe 17 35 47.50 -25 32 59.0           ~ 60 0
215 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 14393 0
216 [DB2002b] G23.91+11.11 MoC 17 55 25 -02 48.7           ~ 6 0
217 [LM99] L462-1 cor 18 07 31.2 -04 43 29           ~ 7 0
218 LDN 438 DNe 18 14 05 -07 06.8           ~ 15 0
219 LDN 492 DNe 18 15 51 -03 44.4           ~ 48 0
220 LDN 507 MoC 18 16 15 -02 32.8           ~ 29 0
221 LDN 328 DNe 18 17 00 -18 01.9           ~ 49 0
222 LDN 429C cor 18 17 05.7 -08 13 30           ~ 12 0
223 LDN 483 DNe 18 17 35 -04 39.8           ~ 315 0
224 NAME Serpens Cloud SFR 18 29 49 +01 14.8           ~ 1100 2
225 NAME Aql Region reg 18 31.1 -02 10           ~ 391 0
226 [LM99] L648-1 cor 18 39 28.7 +12 41 24           ~ 7 0
227 PLCKECC G043.02+08.36 cor 18 39 34.6 +12 44 43           ~ 6 0
228 PLCKECC G032.93+02.68 cor 18 41 52.9 +01 13 45           ~ 4 0
229 LDN 531 DNe 19 06 10.0 -06 53 45           ~ 66 0
230 LDN 723 DNe 19 18 12 +19 13.6           ~ 155 0
231 [CB88] 188 cor 19 20 15.6 +11 36 15           ~ 35 0
232 PLCKECC G057.08+04.46 cor 19 20 41.8 +23 29 11           ~ 5 0
233 LDN 771 DNe 19 20 50 +23 29.9           ~ 18 0
234 LDN 673 DNe 19 20 54.4 +11 13 12           ~ 73 0
235 [LM99] L673-7 cor 19 21 35.5 +11 21 14           ~ 31 0
236 LDN 675 DNe 19 23 53 +11 07.6           ~ 13 0
237 LDN 663 DNe 19 36 55 +07 34.4           ~ 644 0
238 [LM99] L694-2 cor 19 41 04.6 +10 57 02           ~ 73 0
239 IRAS 20353+6742 Y*O 20 35 46.325 +67 53 02.00           ~ 37 0
240 LDN 1152 DNe 20 35 50.2 +67 54 22           ~ 73 0
241 2MASS J20361165+6757093 Y*O 20 36 11.6602336896 +67 57 09.417927024           ~ 10 0
242 IRAS 20359+6745 Y*O 20 36 19.8634846200 +67 56 31.695275256     17.81 16.02 14.34 ~ 38 0
243 PLCKECC G093.16+09.61 cor 20 36 31.5 +56 54 48           ~ 6 0
244 PLCKECC G093.20+09.53 cor 20 37 09.6 +56 54 14           ~ 5 0
245 NAME LDN 1157-mm Y*O 20 39 06.2 +68 02 15           ~ 189 0
246 LDN 1157 DNe 20 39 06.4 +68 02 13           ~ 572 0
247 LDN 1148 DNe 20 40 31.6 +67 21 45           ~ 65 0
248 2MASS J20405664+6723047 Y*O 20 40 56.65 +67 23 04.8           ~ 36 0
249 LDN 1155C DNe 20 43 18.1 +67 50 36           ~ 30 0
250 [LM99] L1155C-2 cor 20 43 22.1 +67 50 31           ~ 9 0
251 LDN 1155E PoC 20 44 17.6 +67 42 00           ~ 10 0
252 Barnard 148 DNe 20 48 18 +59 38.4           ~ 4 0
253 [DB2002b] G93.90+7.60 MoC 20 51 20 +56 15.7           ~ 35 0
254 IRAS 20582+7724 Y*O 20 57 12.9250225656 +77 35 43.656301932           ~ 117 0
255 LDN 1228 DNe 20 57 13 +77 35.8           ~ 128 0
256 RNO 129 Y*O 20 59 14.08512 +78 23 04.0020       15.30   G:e 47 1
257 PLCKECC G092.26+03.80 cor 21 03 59.0 +52 34 12           ~ 4 0
258 NAME Cepheus Region reg 21 20 00.0 +72 30 00           ~ 113 0
259 PLCKECC G108.23+15.61 cor 21 20 05.7 +72 08 52           ~ 4 0
260 LDN 1021 DNe 21 21 39 +50 57.3           ~ 14 0
261 LDN 1014 cor 21 24 05.9 +49 59 07           ~ 93 0
262 TGU H534 P2 DNe 21 37 11.3100 +43 20 36.260           ~ 28 0
263 PLCKECC G105.55+10.40 cor 21 40 37.4 +66 36 13           ~ 5 0
264 PLCKECC G093.22-04.59 cor 21 44 47.8 +47 13 40           ~ 6 0
265 NAME Cepheus Cloud SFR 22 00.0 +76 30           ~ 145 0
266 LDN 1166 DNe 22 05.7 +59 35           ~ 12 0
267 LDN 1165 DNe 22 06 50.7 +59 02 47           ~ 41 0
268 PLCKECC G093.31-11.68 cor 22 09 48.0 +41 42 42           ~ 5 0
269 LDN 1247 DNe 22 21.9 +75 06           ~ 18 0
270 [LM99] L1251A-2 cor 22 27 41.5 +75 13 31           ~ 9 0
271 LDN 1221 DNe 22 28 02.9 +69 01 13           ~ 50 0
272 2MASS J22280298+6901166 Y*? 22 28 02.987 +69 01 16.66           ~ 5 0
273 [LH2005] MM 2 Y*O 22 28 07.4 +69 00 38           ~ 11 0
274 SSTc2d J222933.4+751316 Y*O 22 29 33.3 +75 13 16           ~ 11 0
275 IRAS 22290+7458 Y*O 22 29 59.537 +75 14 04.41           ~ 25 1
276 NAME LDN 1251 A IRS 3 Y*O 22 30 31.8 +75 14 09           ~ 19 0
277 LDN 1251A DNe 22 30 31.8 +75 14 17           ~ 75 2
278 NAME LDN 1251 A IRS 4 Y*O 22 31 05.6 +75 13 37           ~ 21 0
279 IRAS 22343+7501 Y*O 22 35 24.42480 +75 17 03.7320     22.99 20.22 17.76 ~ 44 0
280 LDN 1251C DNe 22 35 40.0 +75 18 06           ~ 22 1
281 LDN 1251 DNe 22 36.1 +75 16           ~ 111 0
282 LDN 1197 DNe 22 37 20 +58 56.1           ~ 32 0
283 IRAS 22376+7455 TT* 22 38 42.5032929744 +75 11 45.489819660   17.65 16.10 14.90 13.62 ~ 49 0
284 LDN 1251B DNe 22 38 46.79 +75 11 32.6           ~ 51 1
285 LDN 1251E DNe 22 39 18.3 +75 14 31           ~ 18 0
286 PLCKECC G108.85-00.80 cor 22 58 48.640 +58 56 54.43           ~ 11 0
287 PLCKECC G089.03-41.28 cor 23 08 43.5 +14 43 36           ~ 5 0
288 PSCz Q23238+7401 Y*O 23 25 46.65 +74 17 37.2           ~ 58 1
289 LDN 1262 MoC 23 25 47 +74 17.6           ~ 134 0
290 LDN 1253 DNe 23 56 32 +58 31.7           ~ 55 0
291 NAME Per-Tau reg ~ ~           ~ 37 0
292 NAME Vela Field reg ~ ~           ~ 182 0

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