2007ApJ...668.1042K


C.D.S. - SIMBAD4 rel 1.7 - 2021.05.12CEST14:04:42

2007ApJ...668.1042K - Astrophys. J., 668, 1042-1063 (2007/October-3)

Dynamics of dense cores in the Perseus molecular cloud.

KIRK H., JOHNSTONE D. and TAFALLA M.

Abstract (from CDS):

We survey the kinematics of over 150 candidate (and potentially star-forming) dense cores in the Perseus molecular cloud with pointed N2H+(1-0) and simultaneous C18O(2-1) observations. Our detection rate of N2H+ is 62%, rising to 84% for SCUBA-selected targets. In agreement with previous observations, we find that the dense N2H+ targets tend to display nearly thermal line widths, particularly those that appear to be starless (using Spitzer data), indicating that turbulent support on the small scales of molecular clouds is minimal. For those N2H+ targets that have an associated SCUBA dense core, we find that their internal motions are more than sufficient to provide support against the gravitational force on the cores. Comparison of the N2H+ integrated intensity and SCUBA flux reveals fractional N2H+ abundances between 10–10 and 10–9. We demonstrate that the relative motion of the dense N2H+ gas and the surrounding C18O gas is less than the sound speed in the vast majority of cases (∼90%). The point-to-point motions we observe within larger extinction regions appear to be insufficient to provide support against gravity, although we sparsely sample these regions.

Abstract Copyright:

Journal keyword(s): Infrared: ISM - ISM: Individual: Name: Perseus - ISM: Structure - Stars: Formation - Submillimeter

VizieR on-line data: <Available at CDS (J/ApJ/668/1042): table1.dat table3.dat table4.dat table6.dat>

Nomenclature: Table 1: [KJT2007] NNN (Nos 1-157). Table 6: [KJT2007] SMM JHHMMmm+DDMMm N=87 = [KJT2007] SMM NN (Nos 1-87).

Simbad objects: 206

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Number of rows : 206

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 3C 84 Sy2 03 19 48.1597607660 +41 30 42.114155434   13.10 12.48 11.09   ~ 3641 3
2 LDN 1448 DNe 03 22.5 +30 35           ~ 480 0
3 [KJT2007] 157 PoC 03 24 33.7 +30 22 07           ~ 1 0
4 [KJD2006] ESC 11 PoC 03 24 50.30 +30 23 10.1           ~ 3 1
5 [KJT2007] 156 PoC 03 24 51.0 +30 21 57           ~ 1 0
6 [KJT2007] 155 PoC 03 25 05.4 +30 24 13           ~ 1 0
7 [KJT2007] SMM J032516+30238 PoC 03 25 10.2 +30 23 51           ~ 2 0
8 [KJT2007] 154 PoC 03 25 17.1 +30 43 21           ~ 1 0
9 [KJT2007] 153 PoC 03 25 20.2 +30 32 31           ~ 1 0
10 IRAS 03222+3034 Y*O 03 25 22.32 +30 45 13.9           ~ 128 0
11 [KJD2006] ESC 10 PoC 03 25 22.80 +30 43 19.2           ~ 3 1
12 [KJT2007] 151 PoC 03 25 23.7 +30 21 07           ~ 1 0
13 JCMTSE J032525.9+304502 Y*O 03 25 25.9 +30 45 03           ~ 50 0
14 [SDA2014] West4 Y*O 03 25 38.83 +30 44 06.2           ~ 245 1
15 [KJT2007] 147 PoC 03 25 46.30 +30 44 14.1           ~ 2 0
16 [KJT2007] SMM J032581+30423 cor 03 25 49.0 +30 42 25           ~ 13 1
17 [KJT2007] SMM J032584+30419 smm 03 25 51.0 +30 41 56           ~ 2 0
18 [KJT2007] 145 PoC 03 26 02.5 +30 37 58           ~ 1 0
19 [KJT2007] 144 PoC 03 26 12.9 +30 30 35           ~ 1 0
20 IRAS 03235+3004 Y*O 03 26 37.425 +30 15 28.39           ~ 73 0
21 [KJT2007] 142 PoC 03 27 00.4 +30 24 01           ~ 1 0
22 [KJT2007] 141 PoC 03 27 18.70 +30 17 12.0           ~ 1 0
23 [KJT2007] 140 PoC 03 27 27.6 +29 58 54           ~ 1 0
24 [KJT2007] 139 PoC 03 27 29.5 +30 15 09           ~ 1 0
25 [KJT2007] 138 PoC 03 27 35.6 +30 10 12           ~ 1 0
26 [KJD2006] ESC 9 PoC 03 27 36.60 +30 12 32.8           ~ 3 1
27 [KJT2007] 137 PoC 03 27 36.8 +30 11 17           ~ 1 0
28 NAME LDN 1455 IRS 5 Y*O 03 27 38.255 +30 13 58.57           ~ 44 0
29 NAME LDN 1455 IRS 1 cor 03 27 39.08 +30 13 03.1           ~ 146 0
30 [KJT2007] SMM J032766+30122 smm 03 27 39.9 +30 12 10           ~ 10 0
31 NAME LDN 1455 IRS 4 cor 03 27 43.23 +30 12 28.9           ~ 65 0
32 2MASS J03274767+3012043 Y*O 03 27 47.6826386762 +30 12 04.459144041     19.6     ~ 97 1
33 [KJT2007] SMM J032785+30241 PoC 03 27 51.5 +30 24 09           ~ 1 0
34 [KJT2007] 132 PoC 03 27 51.7 +30 11 06           ~ 1 0
35 [KJT2007] 131 PoC 03 27 55.6 +30 05 40           ~ 2 0
36 [KJT2007] 130 PoC 03 27 57.1 +30 07 57           ~ 2 0
37 LDN 1455 DNe 03 28 00.6480 +30 07 58.800           ~ 173 1
38 [KJT2007] 129 PoC 03 28 08.4 +30 05 37           ~ 1 0
39 2MASS J03283258+3111040 cor 03 28 32.581 +31 11 04.10           ~ 44 0
40 [KJT2007] 127 PoC 03 28 34.4 +30 19 00           ~ 1 0
41 [EYG2006] Bolo 28 cor 03 28 34.53 +31 07 05.5           ~ 34 0
42 IRAS 03255+3103 Y*O 03 28 37.06800 +31 13 31.0044           ~ 82 1
43 [EYG2006] Bolo 30 Y*O 03 28 39.10 +31 06 01.7           ~ 35 0
44 [HRF2005] 60 Y*O 03 28 39.3 +31 18 27           ~ 12 0
45 [HFR2007] 55 cor 03 28 40.63 +31 17 56.5           ~ 38 1
46 [KJT2007] SMM J032871+31062 cor 03 28 42.6 +31 06 10           ~ 14 1
47 [KJT2007] 120 PoC 03 28 47.6 +30 33 21           ~ 1 0
48 [KJT2007] 119 PoC 03 28 51.4 +31 10 57           ~ 1 0
49 [KJD2006] ESC 8 PoC 03 28 53.30 +30 44 00.5           ~ 3 1
50 [JCC87] IRAS 2A Y*O 03 28 55.55 +31 14 36.7           ~ 410 3
51 [KJD2006] ESC 7 PoC 03 28 56.00 +31 22 36.4           ~ 4 1
52 [KJT2007] 117 PoC 03 28 57.3 +30 44 29           ~ 1 0
53 [EYG2006] Bolo 40 cor 03 28 59.63 +31 21 33.9           ~ 25 0
54 [SK2001] 1 Y*O 03 29 00.55 +31 12 00.8           ~ 53 1
55 [KJT2007] 114 PoC 03 29 00.8 +31 22 35           ~ 1 0
56 [KJT2007] SMM J032901+31143 PoC 03 29 01.0 +31 14 22           ~ 1 0
57 [KJT2007] SMM 62 Y*O 03 29 01.66 +31 20 28.5           ~ 6 0
58 V* V512 Per Or* 03 29 03.7567945196 +31 16 03.959183877           ~ 359 0
59 [SDA2014] West40 Y*O 03 29 04.06 +31 14 46.5           ~ 53 0
60 [KJT2007] SMM J032908+31187 PoC 03 29 05.2 +31 18 44           ~ 1 0
61 [KJT2007] SMM J032909+31221 smm 03 29 05.64 +31 22 15.5           ~ 10 0
62 [KJT2007] SMM 57 PoC 03 29 06.8 +31 15 37           ~ 2 0
63 [KJT2007] SMM 56 PoC 03 29 07.3 +31 17 22           ~ 2 0
64 [KJT2007] SMM 55 PoC 03 29 08.0 +31 21 55           ~ 1 0
65 [KJT2007] SMM J032914+31170 PoC 03 29 08.7 +31 17 04           ~ 1 0
66 [KJT2007] SMM 53 PoC 03 29 08.9 +31 15 16           ~ 2 0
67 [JCC87] IRAS 4A Y*O 03 29 10.49 +31 13 30.8           ~ 630 1
68 2MASS J03291063+3121469 cor 03 29 10.636 +31 21 46.97           ~ 15 0
69 [JCC87] IRAS 4 FIR 03 29 10.9 +31 13 26           ~ 470 0
70 ASR 32 Y*O 03 29 11.25 +31 18 31.7           ~ 41 1
71 NGC 1333 OpC 03 29 11 +31 18.6           ~ 1261 1
72 [KJD2006] SMM J032917+31184 Y*O 03 29 11.3 +31 18 25           ~ 55 0
73 [JCC87] IRAS 4B Y*O 03 29 12.058 +31 13 02.05           ~ 568 0
74 [JCC87] IRAS 4C Y*O 03 29 13.54 +31 13 58.2           ~ 89 1
75 JCMTSE J032914.9+312030 cor 03 29 15.64 +31 20 30.8           ~ 18 0
76 SSTYSV J032917.11+312745.5 cor 03 29 17.17 +31 27 46.5           ~ 37 0
77 [KJT2007] SMM 45 PoC 03 29 18.5 +31 25 10           ~ 2 0
78 JCMTSE J032918.7+312312 cor 03 29 19.04 +31 23 13.7           ~ 17 0
79 [KJT2007] SMM J032935+31255 PoC 03 29 21.4 +31 25 34           ~ 1 0
80 [KJT2007] SMM J032939+31333 cor 03 29 23.9 +31 33 20           ~ 12 1
81 [KJT2007] SMM J032942+31282 cor 03 29 25.5 +31 28 18           ~ 55 0
82 IRAS 03267+3128 cor 03 29 51.82 +31 39 06.0           ~ 50 0
83 [KJT2007] SMM 39 PoC 03 30 15.3 +30 23 44           ~ 2 0
84 [KJT2007] 93 PoC 03 30 26.9 +30 26 25           ~ 1 0
85 [KJD2006] ESC 6 PoC 03 30 28.70 +30 26 30.2           ~ 3 1
86 [KJT2007] 92 PoC 03 30 32.0 +30 26 24           ~ 2 0
87 [KJT2007] 91 PoC 03 30 46.10 +30 52 44.0           ~ 1 0
88 IRAS 03282+3035 cor 03 31 20.98 +30 45 30.1           ~ 164 0
89 [HFR2007] 88 smm 03 31 31.6 +30 43 32           ~ 5 0
90 [KJT2007] 88 PoC 03 31 57.7 +30 47 01           ~ 1 0
91 [KJT2007] 87 PoC 03 32 14.5 +30 54 45           ~ 1 0
92 IRAS 03292+3039 cor 03 32 17.96 +30 49 47.5           ~ 63 0
93 [KJT2007] 85 PoC 03 32 27.4 +30 59 22           ~ 2 0
94 [KJT2007] 84 PoC 03 32 28.60 +31 02 35.0           ~ 2 0
95 [KJT2007] 83 PoC 03 32 31.0 +30 50 29           ~ 1 0
96 [KJT2007] 82 PoC 03 32 31.2 +30 57 53           ~ 1 0
97 [KJT2007] 81 PoC 03 32 33.6 +30 52 59           ~ 1 0
98 [KJD2006] ESC 5 PoC 03 32 35.60 +30 58 27.7           ~ 3 1
99 [KJT2007] 80 PoC 03 32 38.2 +30 57 53           ~ 1 0
100 [KJT2007] 79 PoC 03 32 43.20 +31 00 00.0           ~ 2 0
101 [KJT2007] 78 PoC 03 32 52.5 +31 01 49           ~ 1 0
102 [KJT2007] 77 PoC 03 32 58.0 +31 03 44           ~ 2 0
103 [KJT2007] 76 PoC 03 33 00.60 +31 20 50.0           ~ 1 0
104 [KJT2007] SMM 36 cor 03 33 01.9 +31 04 23           ~ 11 0
105 [KJT2007] SMM J033307+31047 PoC 03 33 04.7 +31 04 45           ~ 1 0
106 [KJT2007] SMM 34 smm 03 33 05.8 +31 04 59           ~ 9 0
107 [KJT2007] SMM J033321+31198 cor 03 33 13.4 +31 19 53           ~ 15 0
108 Barnard 1 MoC 03 33 16.3 +31 07 51           ~ 277 0
109 SSTc2d J033316.4+310653 cor 03 33 16.44 +31 06 52.5           ~ 37 0
110 2MASS J03331667+3107548 Y*O 03 33 16.68 +31 07 54.9           ~ 105 2
111 JCMTSE J033317.8+310932 cor 03 33 17.85 +31 09 31.9           ~ 83 0
112 [HKM99] B1-b cor 03 33 20.32 +31 07 21.5           ~ 172 0
113 [KJT2007] 70 PoC 03 33 22.7 +31 18 34           ~ 1 0
114 [KJT2007] 69 PoC 03 33 24.1 +31 04 10           ~ 1 0
115 SSTc2d J033327.2+310710 cor 03 33 27.29 +31 07 10.2           ~ 45 0
116 [KJT2007] 67 PoC 03 33 29.2 +31 20 11           ~ 1 0
117 [KJT2007] 66 PoC 03 33 55.0 +31 19 25           ~ 1 0
118 [KJT2007] 65 PoC 03 34 02.4 +31 21 08           ~ 1 0
119 [KJT2007] 64 PoC 03 34 47.8 +31 21 25           ~ 1 0
120 NAME Perseus Cloud SFR 03 35.0 +31 13           ~ 1133 0
121 [KJT2007] 63 PoC 03 35 20.8 +31 07 05           ~ 1 0
122 [KJT2007] 62 PoC 03 35 51.2 +31 13 21           ~ 1 0
123 [KJT2007] 61 PoC 03 35 55.7 +31 10 28           ~ 1 0
124 [KJT2007] 60 PoC 03 36 23.9 +31 11 13           ~ 1 0
125 [KJD2006] ESC 4 PoC 03 36 28.90 +31 11 13.1           ~ 3 1
126 [KJT2007] 59 PoC 03 36 39.3 +31 11 49           ~ 1 0
127 [KJT2007] 58 PoC 03 37 53.4 +31 23 30           ~ 1 0
128 [KJT2007] 57 PoC 03 38 49.0 +31 17 31           ~ 1 0
129 [KJD2006] ESC 3 PoC 03 39 27.40 +31 21 08.6           ~ 3 1
130 [KJT2007] 56 PoC 03 39 28.5 +31 22 36           ~ 1 0
131 [KJT2007] SMM J033960+31320 PoC 03 39 36.4 +31 32 03           ~ 1 0
132 [KJT2007] SMM J033963+31312 PoC 03 39 38.1 +31 31 18           ~ 1 0
133 [KJT2007] SMM 25 PoC 03 39 39.0 +31 31 53           ~ 1 0
134 [KJT2007] SMM J033966+31320 PoC 03 39 39.9 +31 32 06           ~ 1 0
135 [KJT2007] 54 PoC 03 39 42.6 +31 43 11           ~ 1 0
136 [KJT2007] SMM 23 PoC 03 39 47.5 +31 34 59           ~ 1 0
137 [KJT2007] 52 PoC 03 39 52.6 +32 03 52           ~ 1 0
138 [KJT2007] 51 PoC 03 39 58.3 +31 27 34           ~ 1 0
139 [KJT2007] 50 PoC 03 40 02.0 +31 32 24           ~ 1 0
140 [KJT2007] 49 PoC 03 40 06.3 +32 01 33           ~ 1 0
141 [KJT2007] 48 PoC 03 40 08.7 +31 24 57           ~ 1 0
142 [KJT2007] 47 PoC 03 40 20.9 +31 35 50           ~ 1 0
143 [KJT2007] 46 PoC 03 40 22.0 +31 59 29           ~ 1 0
144 [KJT2007] 45 PoC 03 40 28.6 +31 14 42           ~ 1 0
145 [KJT2007] 44 PoC 03 40 36.4 +31 31 08           ~ 1 0
146 [KJT2007] 43 PoC 03 40 42.7 +31 54 05           ~ 1 0
147 [KJT2007] SMM 22 PoC 03 40 49.2 +31 48 48           ~ 1 0
148 [KJT2007] 42 PoC 03 40 49.6 +31 36 35           ~ 1 0
149 [KJT2007] 40 PoC 03 41 17.2 +31 53 07           ~ 1 0
150 [KJT2007] 39 PoC 03 41 24.5 +31 56 04           ~ 1 0
151 [KJT2007] 38 PoC 03 41 32.0 +31 59 46           ~ 1 0
152 [KJT2007] SMM J034160+31499 PoC 03 41 36.2 +31 49 54           ~ 1 0
153 [KJT2007] 37 PoC 03 41 36.2 +31 53 48           ~ 1 0
154 [KJT2007] SMM J034167+31503 PoC 03 41 40.5 +31 50 21           ~ 1 0
155 [KJT2007] 36 PoC 03 41 43.8 +31 57 22           ~ 2 0
156 [KJT2007] 35 PoC 03 41 44.3 +31 56 08           ~ 1 0
157 [KJT2007] SMM J034176+31574 PoC 03 41 46.20 +31 57 24.4           ~ 1 0
158 [KJT2007] SMM 18 PoC 03 41 46.8 +31 48 15           ~ 1 0
159 [KJT2007] SMM J034180+31574 PoC 03 41 48.0 +31 57 27           ~ 1 0
160 [KJT2007] 33 PoC 03 41 57.1 +31 58 27           ~ 1 0
161 [KJT2007] 32 PoC 03 41 57.9 +31 47 48           ~ 1 0
162 [KJT2007] 31 PoC 03 42 06.40 +31 47 41.0           ~ 1 0
163 [KJT2007] 30 PoC 03 42 48.1 +31 58 51           ~ 1 0
164 [KJT2007] 29 PoC 03 43 26.5 +31 43 14           ~ 1 0
165 [KJT2007] SMM 16 PoC 03 43 38.0 +32 03 08           ~ 1 0
166 [KJT2007] 27 cor 03 43 44.0 +32 02 50           ~ 19 0
167 Cl* IC 348 LRL 54362 Y*O 03 43 50.96 +32 03 24.7           ~ 34 1
168 [KJT2007] SMM J034394+32038 PoC 03 43 56.7 +32 03 53           ~ 1 0
169 NAME HH 211 FIR Y*O 03 43 56.770 +32 00 49.90           ~ 16 0
170 NAME IC 348 MMS cor 03 43 56.84 +32 03 04.7           ~ 68 1
171 [KJD2006] ESC 2 PoC 03 43 57.10 +31 59 28.7           ~ 4 1
172 [KJT2007] SMM J034396+32040 cor 03 43 57.9 +32 04 02           ~ 20 0
173 2MASS J03435940+3200354 Y*O 03 43 59.401 +32 00 35.43           ~ 8 0
174 [KJT2007] SMM J034401+32019 cor 03 44 01.2 +32 01 56           ~ 19 1
175 [KJT2007] SMM J034404+32024 cor 03 44 02.9 +32 02 26           ~ 18 0
176 [KJT2007] SMM 8 PoC 03 44 06.1 +32 02 16           ~ 2 0
177 [KJT2007] SMM J034438+32100 smm 03 44 23.2 +32 10 02           ~ 4 0
178 IC 348 OpC 03 44 34 +32 09.8           ~ 1255 1
179 [KJT2007] SMM J034461+31588 cor 03 44 36.9 +31 58 47           ~ 16 0
180 [KJT2007] 17 PoC 03 44 37.3 +32 14 04           ~ 1 0
181 Cl* IC 348 LRL 1872 Y*O 03 44 43.308 +32 01 31.57           ~ 48 1
182 [KJT2007] SMM J034481+32005 cor 03 44 48.9 +32 00 29           ~ 17 0
183 [KJT2007] 14 PoC 03 44 49.0 +31 41 20           ~ 1 0
184 [KJT2007] 13 PoC 03 47 05.6 +32 43 12           ~ 2 0
185 [KJT2007] 12 PoC 03 47 17.7 +32 45 26           ~ 1 0
186 [KJT2007] 11 PoC 03 47 27.1 +32 38 08           ~ 1 0
187 [KJT2007] 10 PoC 03 47 27.2 +32 57 56           ~ 1 0
188 [KJT2007] 9 PoC 03 47 28.1 +32 50 13           ~ 1 0
189 [KJT2007] 8 PoC 03 47 36.1 +32 50 11           ~ 1 0
190 [KJT2007] 7 PoC 03 47 37.0 +32 52 03           ~ 1 0
191 NAME [BM89] B5 DNe 03 47 38.3 +32 52 43           ~ 221 0
192 [KJT2007] SMM 3 smm 03 47 39.1 +32 52 18           ~ 10 0
193 [KJT2007] SMM J034765+32530 PoC 03 47 39.2 +32 53 02           ~ 1 0
194 [KJT2007] 5 PoC 03 47 40.4 +32 54 39           ~ 2 0
195 IRAS 03445+3242 Y*O 03 47 41.603 +32 51 43.79           ~ 179 0
196 [KJT2007] 3 PoC 03 47 42.3 +32 52 28           ~ 3 0
197 [KJD2006] ESC 1 PoC 03 47 45.30 +32 52 43.4           ~ 3 1
198 LDN 1471 DNe 03 48.0 +32 54           ~ 291 0
199 [KJT2007] 2 PoC 03 48 29.1 +32 54 33           ~ 1 0
200 [KJT2007] 1 PoC 03 48 31.1 +32 38 21           ~ 1 0
201 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 3693 0
202 NAME Horsehead Nebula DNe 05 40 59.0 -02 27 30           ~ 458 0
203 NAME Ori B MoC 05 41 43.0 -01 54 44           ~ 1219 0
204 NAME ORI MOL CLOUD MoC 05 56 -01.8           ~ 905 1
205 [BGK87] IC 348 C PoC ~ ~           ~ 4 0
206 [BGK87] IC 348 A PoC ~ ~           ~ 4 0

    Equat.    Gal    SGal    Ecl

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2021.05.12-14:04:42

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