2017MNRAS.464.4255P


Query : 2017MNRAS.464.4255P

2017MNRAS.464.4255P - Mon. Not. R. Astron. Soc., 464, 4255-4281 (2017/February-1)

The JCMT Gould Belt Survey: first results from SCUBA-2 observations of the Cepheus Flare region.

PATTLE K., WARD-THOMPSON D., KIRK J.M., DI FRANCESCO J., KIRK H., MOTTRAM J.C., KEOWN J., BUCKLE J., BEAULIEU S.F., BERRY D.S., BROEKHOVEN-FIENE H., CURRIE M.J., FICH M., HATCHELL J., JENNESS T., JOHNSTONE D., NUTTER D., PINEDA J.E., QUINN C., SALJI C., TISI S., WALKER-SMITH S., HOGERHEIJDE M.R., BASTIEN P., BRESNAHAN D., BUTNER H., CHEN M., CHRYSOSTOMOU A., COUDE S., DAVIS C.J., DRABEK-MAUNDER E., DUARTE-CABRAL A., FIEGE J., FRIBERG P., FRIESEN R., FULLER G.A., GRAVES S., GREAVES J., GREGSON J., HOLLAND W., JONCAS G., KNEE L.B.G., MAIRS S., MARSH K., MATTHEWS B.C., MORIARTY-SCHIEVEN G., MOWAT C., RAWLINGS J., RICHER J., ROBERTSON D., ROSOLOWSKY E., RUMBLE D., SADAVOY S., THOMAS H., TOTHILL N., VITI S., WHITE G.J., WOUTERLOOT J., YATES J. and ZHU M.

Abstract (from CDS):

We present observations of the Cepheus Flare obtained as part of the James Clerk Maxwell Telescope (JCMT) Gould Belt Legacy Survey (GBLS) with the SCUBA-2 instrument. We produce a catalogue of sources found by SCUBA-2, and separate these into starless cores and protostars. We determine masses and densities for each of our sources, using source temperatures determined by the Herschel Gould Belt Survey. We compare the properties of starless cores in four different molecular clouds: L1147/58, L1172/74, L1251 and L1228. We find that the core mass functions for each region typically show shallower-than-Salpeter behaviour. We find that L1147/58 and L1228 have a high ratio of starless cores to Class II protostars, while L1251 and L1174 have a low ratio, consistent with the latter regions being more active sites of current star formation, while the former are forming stars less actively. We determine that if modelled as thermally supported Bonnor-Ebert spheres, most of our cores have stable configurations accessible to them. We estimate the external pressures on our cores using archival 13CO velocity dispersion measurements and find that our cores are typically pressure confined, rather than gravitationally bound. We perform a virial analysis on our cores, and find that they typically cannot be supported against collapse by internal thermal energy alone, due primarily to the measured external pressures. This suggests that the dominant mode of internal support in starless cores in the Cepheus Flare is either non-thermal motions or internal magnetic fields.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

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

Nomenclature: Table 3: [PWK2017] NNN (Nos 1-117).

CDS comments: Table 3 : IRAS 20359+6475 is a misprint for IRAS 20359+6745

Simbad objects: 145

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Number of rows : 145
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 NAME Per Arm PoG 03 30 +45.0           ~ 1519 0
2 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3636 1
3 LBN 028.77+03.43 HII 18 31 26.5 -02 04 22           ~ 230 2
4 [PWK2017] 3 cor 20 35 41.760 +67 52 48.00           ~ 1 0
5 IRAS 20353+6742 Y*O 20 35 46.325 +67 53 02.00           ~ 37 0
6 LDN 1152 DNe 20 35 50.2 +67 54 22           ~ 73 0
7 [PWK2017] 4 cor 20 35 54.720 +67 54 10.80           ~ 1 0
8 [PWK2017] 20 cor 20 36 05.760 +67 56 45.60           ~ 1 0
9 2MASS J20361165+6757093 Y*O 20 36 11.6602336896 +67 57 09.417927024           ~ 10 0
10 IRAS 20359+6745 Y*O 20 36 19.8634846200 +67 56 31.695275256     17.81 16.02 14.34 ~ 38 0
11 [PWK2017] 19 cor 20 38 04.570 +67 55 51.60           ~ 1 0
12 [PWK2017] 16 cor 20 38 06.960 +67 55 30.00           ~ 1 0
13 NAME LDN 1157-mm Y*O 20 39 06.2 +68 02 15           ~ 190 0
14 LDN 1157 DNe 20 39 06.4 +68 02 13           ~ 572 0
15 LDN 1148 DNe 20 40 31.6 +67 21 45           ~ 65 0
16 LDN 1147 DNe 20 40 32 +67 20.7           ~ 35 0
17 BD+67 1263 * 20 42 35.7041079168 +67 36 35.124652332   10.28 10.04     A6V 6 0
18 [PWK2017] 13 cor 20 43 10.560 +67 51 00.00           ~ 1 0
19 LDN 1155C DNe 20 43 18.1 +67 50 36           ~ 30 0
20 [PWK2017] 14 cor 20 43 18.240 +67 50 56.40           ~ 1 0
21 [PWK2017] 12 cor 20 43 24.480 +67 53 09.60           ~ 1 0
22 [PWK2017] 17 cor 20 43 25.680 +67 52 22.80           ~ 1 0
23 [PWK2017] 18 cor 20 43 29.760 +67 52 55.20           ~ 1 0
24 LDN 1155 DNe 20 43.5 +67 41           ~ 27 0
25 [PWK2017] 15 cor 20 43 49.200 +67 51 00.00           ~ 1 0
26 LDN 1158 DNe 20 44.5 +67 41           ~ 35 0
27 [PWK2017] 9 cor 20 44 47.520 +67 44 24.00           ~ 1 0
28 [PWK2017] 7 cor 20 44 48.480 +67 43 12.00           ~ 1 0
29 [PWK2017] 10 cor 20 44 50.880 +67 44 13.20           ~ 1 0
30 [PWK2017] 8 cor 20 44 51.600 +67 43 40.80           ~ 1 0
31 V* PV Cep Or* 20 45 53.9540390184 +67 57 38.679941304   19.27 17.46 15.98 14.60 A5 270 1
32 [PWK2017] 103 cor 20 54 49.440 +77 32 24.00           ~ 1 0
33 [PWK2017] 114 cor 20 54 49.440 +77 43 33.60           ~ 1 0
34 [PWK2017] 105 cor 20 54 59.040 +77 50 34.80           ~ 1 0
35 [PWK2017] 110 cor 20 55 11.280 +77 33 21.60           ~ 1 0
36 [PWK2017] 112 cor 20 55 18.480 +77 45 46.80           ~ 1 0
37 [PWK2017] 101 cor 20 55 54.240 +77 42 46.80           ~ 1 0
38 [PWK2017] 115 cor 20 56 18.000 +77 24 57.60           ~ 1 0
39 [PWK2017] 108 cor 20 56 27.370 +77 24 43.20           ~ 1 0
40 [PWK2017] 100 cor 20 56 41.280 +77 41 24.00           ~ 1 0
41 [PWK2017] 104 cor 20 56 42.240 +77 40 55.20           ~ 1 0
42 IRAS 20582+7724 Y*O 20 57 12.9250225656 +77 35 43.656301932           ~ 117 0
43 LDN 1228 DNe 20 57 13 +77 35.8           ~ 128 0
44 [PWK2017] 102 cor 20 57 13.680 +77 44 06.00           ~ 1 0
45 [PWK2017] 117 cor 20 57 17.050 +77 33 21.60           ~ 1 0
46 [PWK2017] 99 cor 20 57 18.240 +77 37 51.60           ~ 1 0
47 [PWK2017] 106 cor 20 57 39.600 +77 43 37.20           ~ 1 0
48 [PWK2017] 107 cor 20 57 47.760 +77 37 19.20           ~ 1 0
49 [PWK2017] 98 cor 20 58 02.160 +77 33 18.00           ~ 1 0
50 [PWK2017] 113 cor 20 58 19.920 +77 42 36.00           ~ 1 0
51 [PWK2017] 116 cor 20 58 30.240 +77 42 43.20           ~ 1 0
52 [PWK2017] 109 cor 20 58 49.680 +77 47 16.80           ~ 1 0
53 V* FT Cep LP* 20 59 22.8556258080 +68 14 43.702003140   19.37 16.41 14.79 13.30 ~ 17 1
54 [PWK2017] 26 cor 21 00 17.280 +68 12 46.80           ~ 1 0
55 [PWK2017] 22 Y*O 21 00 19.680 +68 13 22.80           ~ 1 0
56 LDN 1174 DNe 21 00 22.4 +68 12 53           ~ 65 0
57 [PWK2017] 25 Y*O 21 00 23.040 +68 13 12.00           ~ 1 0
58 [PWK2017] 44 cor 21 00 23.520 +68 08 13.20           ~ 1 0
59 [PWK2017] 42 cor 21 00 24.250 +68 14 06.00           ~ 1 0
60 [PWK2017] 38 cor 21 00 28.560 +68 07 08.40           ~ 1 0
61 [PWK2017] 43 cor 21 00 37.920 +68 06 18.00           ~ 1 0
62 JCMTSE J210129.7+681029 Y*O 21 01 27.1 +68 10 38           ~ 4 0
63 [PWK2017] 29 cor 21 01 28.320 +68 08 20.40           ~ 1 0
64 [PWK2017] 36 cor 21 01 31.200 +68 05 38.40           ~ 1 0
65 [PWK2017] 34 cor 21 01 31.200 +68 07 19.20           ~ 1 0
66 [PWK2017] 41 Y*O 21 01 32.640 +68 08 38.40           ~ 1 0
67 2MASS J21013280+6811204 Y*O 21 01 32.80200 +68 11 20.4936           ~ 7 0
68 [PWK2017] 35 Y*O 21 01 34.320 +68 08 16.80           ~ 1 0
69 NGC 7023 RNe 21 01 36.9 +68 09 48           ~ 704 0
70 HD 200775 Ae* 21 01 36.9205762896 +68 09 47.789578836 7.34 7.754 7.427 8.13   B2Ve 558 0
71 JCMTSE J210142.4+681200 cor 21 01 40.810 +68 12 03.60           ~ 2 0
72 [PWK2017] 51 cor 21 01 51.600 +67 44 06.00           ~ 1 0
73 [PWK2017] 53 cor 21 01 52.080 +67 43 40.80           ~ 1 0
74 [PWK2017] 39 cor 21 01 56.390 +68 06 39.60           ~ 1 0
75 [PWK2017] 33 cor 21 02 00.720 +68 07 12.00           ~ 1 0
76 [PWK2017] 40 cor 21 02 00.960 +68 13 01.20           ~ 1 0
77 [PWK2017] 45 cor 21 02 09.120 +68 07 08.40           ~ 1 0
78 [PWK2017] 28 cor 21 02 11.040 +68 09 54.00           ~ 1 0
79 [PWK2017] 49 cor 21 02 13.200 +67 54 03.60           ~ 1 0
80 [PWK2017] 27 cor 21 02 13.920 +68 09 14.40           ~ 1 0
81 [PWK2017] 52 cor 21 02 14.8 +67 51 09           ~ 2 0
82 [PWK2017] 50 cor 21 02 20.640 +67 45 36.00           ~ 1 0
83 IRAS 21017+6742 Y*O 21 02 21.23 +67 54 20.2           ~ 33 1
84 LDN 1172 DNe 21 02 27.7 +67 54 08           ~ 57 0
85 [PWK2017] 54 cor 21 02 29.760 +67 53 24.00           ~ 1 0
86 2MASS J21022993+6754083 Y*O 21 02 29.935 +67 54 08.33           ~ 4 0
87 [PWK2017] 46 cor 21 02 39.600 +68 11 24.00           ~ 1 0
88 [PWK2017] 55 cor 21 02 41.280 +67 54 10.80           ~ 1 0
89 [PWK2017] 37 cor 21 02 48.720 +68 11 45.60           ~ 1 0
90 [PWK2017] 31 cor 21 03 15.120 +68 11 16.80           ~ 1 0
91 [PWK2017] 30 cor 21 03 20.160 +68 11 31.20           ~ 1 0
92 NAME Cepheus Region reg 21 20 00.0 +72 30 00           ~ 113 0
93 LDN 1241 DNe 21 50.0 +76 44           ~ 19 0
94 LDN 1247 DNe 22 21.9 +75 06           ~ 18 0
95 [PWK2017] 78 cor 22 27 31.440 +75 11 24.00           ~ 1 0
96 [PWK2017] 85 cor 22 27 31.680 +75 12 07.20           ~ 1 0
97 [PWK2017] 83 cor 22 27 37.690 +75 12 14.40           ~ 1 0
98 [PWK2017] 89 cor 22 27 38.870 +75 11 45.60           ~ 1 0
99 [PWK2017] 66 cor 22 28 15.360 +75 14 38.40           ~ 1 0
100 [PWK2017] 67 cor 22 28 24.720 +75 14 56.40           ~ 1 0
101 [PWK2017] 71 cor 22 29 41.520 +75 13 30.00           ~ 1 0
102 IRAS 22290+7458 Y*O 22 29 59.537 +75 14 04.41           ~ 25 1
103 NAME LDN 1251 A IRS 3 Y*O 22 30 31.8 +75 14 09           ~ 19 0
104 LDN 1251A DNe 22 30 31.8 +75 14 17           ~ 75 2
105 NAME LDN 1251 A IRS 4 Y*O 22 31 05.6 +75 13 37           ~ 21 0
106 [PWK2017] 62 cor 22 31 12.480 +75 12 57.60           ~ 1 0
107 [PWK2017] 63 cor 22 31 22.080 +75 12 28.80           ~ 1 0
108 IRAS 22331+7502 Y*O 22 34 11.9044831272 +75 18 10.099564812   17.12 15.42 13.80 12.53 K5 16 0
109 2MASS J22344051+7517444 Y*O 22 34 40.5153159264 +75 17 44.407040388           ~ 6 0
110 [PWK2017] 74 cor 22 35 04.800 +75 13 01.20           ~ 1 0
111 2MASS J22351668+7518471 Y*O 22 35 16.6780675800 +75 18 47.074335120   17.34 15.89 14.38 13.31 M0 15 0
112 IRAS 22343+7501 Y*O 22 35 24.42480 +75 17 03.7320     22.99 20.22 17.76 ~ 44 0
113 [PWK2017] 87 cor 22 35 31.440 +75 21 54.00           ~ 1 0
114 [PWK2017] 70 cor 22 35 34.080 +75 21 18.00           ~ 1 0
115 [PWK2017] 88 cor 22 35 38.880 +75 21 25.20           ~ 1 0
116 LDN 1251C DNe 22 35 40.0 +75 18 06           ~ 22 1
117 [PWK2017] 86 cor 22 35 42.000 +75 18 54.00           ~ 1 0
118 [PWK2017] 68 cor 22 35 52.320 +75 18 57.60           ~ 1 0
119 [PWK2017] 77 cor 22 35 59.760 +75 07 48.00           ~ 1 0
120 LDN 1251 DNe 22 36.1 +75 16           ~ 111 0
121 [PWK2017] 79 cor 22 36 07.200 +75 07 58.80           ~ 1 0
122 [PWK2017] 96 cor 22 36 18.720 +75 22 15.60           ~ 1 0
123 [PWK2017] 73 cor 22 36 40.800 +75 08 31.20           ~ 1 0
124 [PWK2017] 81 cor 22 37 00.000 +75 15 21.60           ~ 1 0
125 [PWK2017] 97 cor 22 37 00.710 +75 08 42.00           ~ 1 0
126 [PWK2017] 94 cor 22 37 08.880 +75 08 49.20           ~ 1 0
127 [PWK2017] 95 cor 22 37 34.570 +75 11 34.80           ~ 1 0
128 [PWK2017] 90 cor 22 37 44.160 +75 09 43.20           ~ 1 0
129 [PWK2017] 80 cor 22 38 21.600 +75 13 01.20           ~ 1 0
130 [PWK2017] 92 cor 22 38 44.400 +75 14 02.40           ~ 1 0
131 LDN 1251B DNe 22 38 46.79 +75 11 32.6           ~ 51 1
132 2MASS J22384807+7511488 Y*O 22 38 48.07 +75 11 48.9           ~ 5 0
133 [PWK2017] 59 cor 22 38 56.160 +75 11 42.00           ~ 1 0
134 [PWK2017] 58 cor 22 39 04.560 +75 12 00.00           ~ 1 0
135 [PWK2017] 72 cor 22 39 13.200 +75 10 44.40           ~ 1 0
136 [PWK2017] 65 cor 22 39 16.080 +75 09 43.20           ~ 1 0
137 [PWK2017] 93 cor 22 39 17.520 +75 13 44.40           ~ 1 0
138 LDN 1251E DNe 22 39 18.3 +75 14 31           ~ 18 0
139 [PWK2017] 75 cor 22 39 24.240 +75 12 39.60           ~ 1 0
140 JCMTSE J223931.5+751055 cor 22 39 30.000 +75 10 58.80           ~ 2 0
141 JCMTSE J223938.4+751206 cor 22 39 38.400 +75 12 03.60           ~ 2 0
142 NAME Cepheus Flare MoC 23 34 +72.0           ~ 128 0
143 V* XX Cep SB* 23 38 20.2850614704 +64 20 02.699063196   9.47 9.18     A7V 161 0
144 NAME Gould Belt PoG ~ ~           ~ 874 1
145 NAME Local Bubble ISM ~ ~           ~ 900 0

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