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

Full paper

View the references in ADS

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 - 2023	#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						~	58	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						~	21	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						~	84	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						~	507	0
17	IRAS F03226+3033	Y*O	03 25 38.83	+30 44 06.2						~	327	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						~	49	0
21	LDN 1455	DNe	03 28 00.6480	+30 07 58.800						~	183	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						~	171	0
24	Barnard 1	MoC	03 33 16.3	+31 07 51						~	317	0
25	2MASS J03331667+3107548	Y*O	03 33 16.68	+31 07 54.9						~	118	2
26	NAME Perseus Cloud	SFR	03 35.0	+31 13						~	1311	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						~	265	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						~	193	0
32	LDN 1471	DNe	03 48.0	+32 54						~	320	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						~	87	0
38	IRAS 04016+2610	Y*O	04 04 43.07064	+26 18 56.3904						~	255	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						~	281	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						~	8	0
45	NAME Auriga	reg	04 20 00.0	+38 05 00						~	198	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	62	0
48	PLCKECC G170.26-16.02	cor	04 21 21.5	+26 59 29						~	5	0
49	IRAS 04191+1523	Y*O	04 22 00.43944	+15 30 21.2148						~	196	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						~	5	0
53	NAME [BM89] L1521B	cor	04 24 12.7	+26 36 53						~	69	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						~	172	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						~	198	1
62	PLCKECC G171.49-14.90	cor	04 28 39.7	+26 51 57						~	4	0
63	NAME [BM89] L1521E	DNe	04 29 21.0	+26 14 19						~	102	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	210	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						~	268	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						~	157	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						~	194	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						~	4250	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	49	0
88	LDN 1507	MoC	04 43 32	+29 40.0						~	34	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						~	144	0
97	LDN 1517	DNe	04 55 45	+30 33.0						~	116	0
98	[DB2002b] G155.76+5.91	MoC	04 58 30	+52 15.7						~	42	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						~	87	0
101	LDN 1512	MoC	05 04 09.7	+32 43 09						~	169	0
102	LDN 1544	DNe	05 04 16.6	+25 10 48						~	832	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						~	21	0
113	NAME Gal Anticenter	reg	05 46	+28.9						~	875	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						~	1209	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						~	788	0
161	[B2001b] IRS 1	Y*O	12 01 36.53040	-65 08 51.9180						~	149	0
162	BHR 71	MoC	12 01 37	-65 08.8						~	149	0
163	NAME Musca	Cld	12 23	-71.3						~	213	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	47	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	44	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						~	77	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						~	203	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						~	740	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	211	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						~	141	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						~	74	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						~	132	0
207	LDN 111	DNe	17 15.2	-20 21						~	12	0
208	LDN 100	DNe	17 15 55.670	-20 56 02.93						~	33	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						~	309	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						~	59	0
215	NAME Galactic Center	reg	17 45 39.60213	-29 00 22.0000						~	13893	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						~	48	0
222	LDN 429C	cor	18 17 05.7	-08 13 30						~	12	0
223	LDN 483	DNe	18 17 35	-04 39.8						~	290	0
224	NAME Serpens Cloud	SFR	18 29 49	+01 14.8						~	1077	2
225	NAME Aql Region	reg	18 31.1	-02 10						~	378	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						~	154	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						~	625	0
238	[LM99] L694-2	cor	19 41 04.6	+10 57 02						~	71	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						~	180	0
246	LDN 1157	DNe	20 39 06.4	+68 02 13						~	558	0
247	LDN 1148	DNe	20 40 31.6	+67 21 45						~	64	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						~	127	0
256	RNO 129	Y*O	20 59 14.08512	+78 23 04.0020				15.30		G:e	46	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						~	112	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						~	13	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						~	139	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						~	74	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	~	43	0
280	LDN 1251C	DNe	22 35 40.0	+75 18 06						~	22	1
281	LDN 1251	DNe	22 36.1	+75 16						~	109	0
282	LDN 1197	DNe	22 37 20	+58 56.1						~	31	0
283	IRAS 22376+7455	TT*	22 38 42.5032929744	+75 11 45.489819660		17.65	16.10	14.90	13.62	M1.5	48	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						~	57	1
289	LDN 1262	MoC	23 25 47	+74 17.6						~	133	0
290	LDN 1253	DNe	23 56 32	+58 31.7						~	55	0
291	NAME Per-Tau	reg	~	~						~	33	0
292	NAME Vela Field	reg	~	~						~	178	0

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