2019ApJ...874..147K

Query : 2019ApJ...874..147K

2019ApJ...874..147K - Astrophys. J., 874, 147-147 (2019/April-1)

The Green Bank Ammonia Survey: a virial analysis of Gould Belt clouds in Data Release 1.

KERR R., KIRK H., DI FRANCESCO J., KEOWN J., CHEN M., ROSOLOWSKY E., OFFNER S.S.R., FRIESEN R., PINEDA J.E., SHIRLEY Y., REDAELLI E., CASELLI P., PUNANOVA A., SEO Y., ALVES F., CHACON-TANARRO A. and CHEN H.H.-H.

Abstract (from CDS):

We perform a virial analysis of starless dense cores in three nearby star-forming regions: L1688 in Ophiuchus, NGC 1333 in Perseus, and B18 in Taurus. Our analysis takes advantage of comprehensive kinematic information for the dense gas in all of these regions made publicly available through the Green Bank Ammonia Survey Data Release 1, which is used to estimate internal support against collapse. We combine this information with ancillary data used to estimate other important properties of the cores, including continuum data from the James Clerk Maxwell Telescope Gould Belt Survey for core identification, core masses, and core sizes. Additionally, we used Planck- and Herschel-based column density maps for external cloud weight pressure and Five College Radio Astronomy Observatory 13CO observations for external turbulent pressure. Our self-consistent analysis suggests that many dense cores in all three star-forming regions are not bound by gravity alone, but rather require additional pressure confinement to remain bound. Unlike a recent, similar study in Orion A, we find that turbulent pressure represents a significant portion of the external pressure budget. Our broad conclusion emphasizing the importance of pressure confinement in dense core evolution, however, agrees with earlier work.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): ISM: kinematics and dynamics - stars: formation

Nomenclature: Table 1: [KKD2019] L1688 NNN N=74 among (Nos 2-133). Table 2: [KKD2019] NGC 1333 NN N=51 among (Nos 5-76). Table 3: [KKD2019] B18 NN N=9 among (Nos 8-17).

Simbad objects: 158

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Number of rows : 158
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 1448 DNe 03 22.5 +30 35           ~ 516 0
2 [KKD2019] NGC 1333 65 cor 03 28 29.68 +31 09 57.0           ~ 1 0
3 [KKD2019] NGC 1333 66 cor 03 28 31.38 +31 14 20.2           ~ 1 0
4 [KKD2019] NGC 1333 64 cor 03 28 32.52 +31 15 19.2           ~ 1 0
5 [KKD2019] NGC 1333 58 cor 03 28 32.82 +31 04 57.0           ~ 1 0
6 [KKD2019] NGC 1333 76 cor 03 28 39.19 +31 19 10.6           ~ 1 0
7 [KKD2019] NGC 1333 45 cor 03 28 39.50 +31 18 27.9           ~ 1 0
8 [KKD2019] NGC 1333 55 cor 03 28 42.16 +31 17 36.4           ~ 1 0
9 JCMTSE J032842.4+310614 cor 03 28 42.6 +31 06 10           ~ 15 1
10 [KKD2019] NGC 1333 61 cor 03 28 45.48 +31 05 48.8           ~ 1 0
11 [KKD2019] NGC 1333 60 cor 03 28 47.51 +31 15 09.3           ~ 1 0
12 [KKD2019] NGC 1333 52 cor 03 28 50.73 +31 14 27.8           ~ 1 0
13 [KKD2019] NGC 1333 26 cor 03 28 53.74 +31 14 56.5           ~ 1 0
14 [KKD2019] NGC 1333 75 cor 03 28 56.36 +31 19 16.9           ~ 1 0
15 [KKD2019] NGC 1333 69 cor 03 28 56.67 +31 20 57.0           ~ 1 0
16 [KKD2019] NGC 1333 56 cor 03 28 57.40 +31 22 02.4           ~ 1 0
17 [KKD2019] NGC 1333 17 cor 03 28 59.98 +31 21 35.2           ~ 1 0
18 [KKD2019] NGC 1333 63 cor 03 29 00.59 +31 21 02.8           ~ 1 0
19 [KJT2007] SMM 63 cor 03 29 00.74 +31 14 23.5           ~ 2 0
20 [KKD2019] NGC 1333 11 cor 03 29 01.72 +31 20 29.8           ~ 1 0
21 [KKD2019] NGC 1333 7 cor 03 29 02.03 +31 15 38.5           ~ 1 0
22 [KKD2019] NGC 1333 15 cor 03 29 02.16 +31 20 12.2           ~ 1 0
23 [KKD2019] NGC 1333 46 cor 03 29 02.53 +31 11 49.8           ~ 1 0
24 [KKD2019] NGC 1333 22 cor 03 29 02.76 +31 15 14.1           ~ 1 0
25 [KKD2019] NGC 1333 5 cor 03 29 03.12 +31 15 52.7           ~ 1 0
26 [KKD2019] NGC 1333 23 cor 03 29 04.11 +31 20 59.1           ~ 1 0
27 [EYG2006] Bolo 44 cor 03 29 04.5 +31 18 42           ~ 10 0
28 [KKD2019] NGC 1333 57 cor 03 29 04.56 +31 13 32.0           ~ 1 0
29 [KKD2019] NGC 1333 27 cor 03 29 05.16 +31 21 02.9           ~ 1 0
30 JCMTSE J032905.1+312207 cor 03 29 05.64 +31 22 15.5           ~ 11 0
31 [KKD2019] NGC 1333 41 cor 03 29 05.65 +31 16 13.2           ~ 1 0
32 [KJT2007] SMM 57 cor 03 29 06.62 +31 15 40.2           ~ 3 0
33 [KJT2007] SMM J032912+31173 cor 03 29 07.02 +31 17 25.7           ~ 3 0
34 [KKD2019] NGC 1333 50 cor 03 29 07.48 +31 14 50.6           ~ 1 0
35 [KJT2007] SMM 54 cor 03 29 08.53 +31 17 09.3           ~ 2 0
36 [KKD2019] NGC 1333 28 cor 03 29 09.01 +31 15 17.0           ~ 1 0
37 2MASS J03291063+3121469 cor 03 29 10.636 +31 21 46.97           ~ 16 0
38 [KKD2019] NGC 1333 54 cor 03 29 10.82 +31 17 46.4           ~ 1 0
39 [JCC87] IRAS 4 FIR 03 29 10.9 +31 13 26           ~ 478 0
40 NGC 1333 OpC 03 29 11.3 +31 18 36           ~ 1454 1
41 [KKD2019] NGC 1333 44 cor 03 29 11.96 +31 14 51.4           ~ 1 0
42 [KKD2019] NGC 1333 33 cor 03 29 13.64 +31 18 41.3           ~ 1 0
43 [KKD2019] NGC 1333 35 cor 03 29 13.71 +31 18 09.9           ~ 1 0
44 [KKD2019] NGC 1333 62 cor 03 29 13.74 +31 20 33.2           ~ 1 0
45 [EYG2006] Bolo 51 cor 03 29 16.5 +31 12 35           ~ 12 0
46 [KJT2007] SMM 45 cor 03 29 18.32 +31 25 09.4           ~ 3 0
47 JCMTSE J032918.7+312312 cor 03 29 19.04 +31 23 13.7           ~ 19 0
48 [KKD2019] NGC 1333 73 cor 03 29 19.11 +31 11 43.7           ~ 1 0
49 [KKD2019] NGC 1333 43 cor 03 29 19.98 +31 23 55.9           ~ 1 0
50 [KKD2019] NGC 1333 68 cor 03 29 21.33 +31 13 21.3           ~ 1 0
51 [KJT2007] SMM 43 cor 03 29 22.22 +31 25 43.8           ~ 2 0
52 SCOPE G158.19-20.25 cor 03 29 23.3 +31 36 08           ~ 10 0
53 SSTc2d J032923.9+313320 cor 03 29 23.9 +31 33 20           ~ 14 1
54 [EYG2006] Bolo 58 cor 03 29 25.5 +31 28 18           ~ 63 0
55 NAME Perseus Cloud SFR 03 35.0 +31 13           ~ 1370 0
56 LDN 1495 DNe 04 18.1 +27 37           ~ 368 1
57 [KKD2019] B18 12 cor 04 26 34.95 +24 41 44.6           ~ 1 0
58 Barnard 218 DNe 04 28.1 +26 16           ~ 37 0
59 [KKD2019] B18 8 cor 04 29 21.70 +24 33 19.4           ~ 1 0
60 [KKD2019] B18 14 cor 04 29 23.41 +24 34 43.6           ~ 1 0
61 [KKD2019] B18 11 cor 04 31 55.74 +24 32 54.2           ~ 1 0
62 [KKD2019] B18 16 cor 04 32 44.00 +24 23 02.4           ~ 1 0
63 NAME Kutner's Cloud MoC 04 32 44.6 +24 23 13           ~ 273 0
64 [KKD2019] B18 13 cor 04 32 45.38 +24 21 47.4           ~ 1 0
65 [KKD2019] B18 15 cor 04 32 46.87 +24 25 36.4           ~ 1 0
66 [KKD2019] B18 9 cor 04 35 37.44 +24 09 18.3           ~ 1 0
67 [KKD2019] B18 17 cor 04 35 50.69 +24 09 41.5           ~ 1 0
68 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4425 0
69 LDN 1544 DNe 05 04 16.6 +25 10 48           ~ 866 0
70 M 42 HII 05 35 17 -05 23.4           ~ 4081 0
71 NAME Ori A MoC 05 38 -07.1           ~ 3015 0
72 NAME Rosette Molecular Cloud MoC 06 34.7 +04 02           ~ 262 0
73 HD 147889 Y*O 16 25 24.3163637976 -24 27 56.569805208 8.56 8.73 7.90     B2V 476 1
74 HGBS J162602.3-243215 cor 16 26 02.35 -24 32 15.8           ~ 4 0
75 JCMTSE J162607.8-242026 cor 16 26 08.0 -24 20 20           ~ 6 0
76 [KKD2019] L1688 59 cor 16 26 09.90 -24 19 45.6           ~ 1 0
77 HGBS J162610.2-242403 cor 16 26 10.28 -24 24 03.2           ~ 3 0
78 HGBS J162610.1-242313 cor 16 26 10.3 -24 23 06           ~ 14 0
79 HGBS J162611.2-242446 cor 16 26 11.4 -24 24 47           ~ 11 0
80 HGBS J162614.9-242249 cor 16 26 14.97 -24 22 49.5           ~ 2 0
81 HGBS J162615.3-242622 cor 16 26 15.33 -24 26 22.6           ~ 2 0
82 HGBS J162616.8-242257 cor 16 26 16.88 -24 22 57.8           ~ 2 0
83 HGBS J162618.3-242519 cor 16 26 18.35 -24 25 19.2           ~ 2 0
84 HGBS J162621.5-242335 cor 16 26 21.59 -24 23 35.7           ~ 2 0
85 [KKD2019] L1688 9 cor 16 26 21.78 -24 22 52.8           ~ 1 0
86 [KKD2019] L1688 124 cor 16 26 22.18 -24 22 30.5           ~ 1 0
87 [KKD2019] L1688 84 cor 16 26 22.55 -24 25 10.7           ~ 1 0
88 HGBS J162624.0-242154 cor 16 26 24.06 -24 21 54.6           ~ 3 0
89 HGBS J162626.3-242225 cor 16 26 26.33 -24 22 25.5           ~ 2 0
90 NAME rho Oph A Cloud MoC 16 26 26.4 -24 22 33           ~ 290 1
91 JCMTLSG J162627.1-242334 cor 16 26 27.40 -24 23 27.6           ~ 48 0
92 HGBS J162627.6-242359 cor 16 26 27.60 -24 23 55.0           ~ 65 0
93 JCMTLSG J162627.6-242302 cor 16 26 27.96 -24 22 56.1           ~ 16 0
94 HGBS J162627.9-242633 cor 16 26 27.98 -24 26 33.7           ~ 2 0
95 [KKD2019] L1688 69 cor 16 26 29.31 -24 21 28.3           ~ 1 0
96 [KKD2019] L1688 27 cor 16 26 29.37 -24 22 36.4           ~ 1 0
97 JCMTLSG J162629.3-242425 cor 16 26 30.4 -24 24 31           ~ 32 0
98 [KKD2019] L1688 57 cor 16 26 30.87 -24 22 11.0           ~ 1 0
99 [KKD2019] L1688 16 cor 16 26 31.69 -24 24 50.5           ~ 1 0
100 HGBS J162632.9-242614 cor 16 26 32.8 -24 26 21           ~ 7 0
101 [KKD2019] L1688 115 cor 16 26 33.37 -24 24 59.8           ~ 1 0
102 [KKD2019] L1688 77 cor 16 26 42.81 -24 26 04.9           ~ 1 0
103 HGBS J162644.7-243316 cor 16 26 44.70 -24 33 16.8           ~ 4 0
104 HGBS J162646.4-242918 cor 16 26 46.47 -24 29 18.4           ~ 2 0
105 HGBS J162648.3-242351 cor 16 26 48.30 -24 23 51.0           ~ 6 0
106 [KKD2019] L1688 107 cor 16 26 49.22 -24 26 59.8           ~ 1 0
107 [KKD2019] L1688 123 cor 16 26 52.23 -24 34 53.7           ~ 1 0
108 HGBS J162652.9-243709 cor 16 26 52.93 -24 37 09.5           ~ 3 0
109 HGBS J162653.5-242521 cor 16 26 53.53 -24 25 21.0           ~ 3 0
110 HGBS J162656.3-243639 cor 16 26 55.8 -24 36 44           ~ 5 0
111 HGBS J162657.9-243137 cor 16 26 57.98 -24 31 37.3           ~ 2 0
112 [KKD2019] L1688 127 cor 16 26 58.14 -24 23 08.7           ~ 1 0
113 [CPG2019] L1688-c3 cor 16 26 59.22 -24 33 05.9           ~ 3 0
114 HGBS J162658.9-243422 cor 16 26 59.60 -24 34 25.3           ~ 22 0
115 [KKD2019] L1688 76 cor 16 27 01.95 -24 34 44.4           ~ 1 0
116 JCMTLSG J162704.8-243914 cor 16 27 04.65 -24 39 13.3           ~ 20 0
117 [KKD2019] L1688 48 cor 16 27 06.00 -24 37 09.2           ~ 1 0
118 NAME rho Oph Cloud B1 PoC 16 27 10.5 -24 29 30           ~ 53 1
119 HGBS J162710.7-243925 cor 16 27 11.2 -24 39 26           ~ 14 0
120 HGBS J162712.2-243803 cor 16 27 11.8 -24 38 03           ~ 7 0
121 HGBS J162711.9-242600 cor 16 27 11.95 -24 26 00.6           ~ 2 0
122 HGBS J162712.5-242949 cor 16 27 12.6 -24 29 46           ~ 19 0
123 HGBS J162715.4-243040 cor 16 27 15.40 -24 30 40.4           ~ 2 0
124 HGBS J162715.6-242410 cor 16 27 15.69 -24 24 10.7           ~ 2 0
125 HGBS J162717.0-242743 cor 16 27 17.3 -24 27 36           ~ 9 0
126 [KKD2019] L1688 58 cor 16 27 20.09 -24 27 11.4           ~ 1 0
127 [KKD2019] L1688 65 cor 16 27 21.65 -24 39 56.0           ~ 1 0
128 HGBS J162721.6-242447 cor 16 27 21.67 -24 24 47.4           ~ 2 0
129 [KKD2019] L1688 90 cor 16 27 24.16 -24 40 38.8           ~ 1 0
130 JCMTLSG J162724.2-242750 cor 16 27 24.55 -24 27 40.7           ~ 10 0
131 HGBS J162725.3-242654 cor 16 27 25.39 -24 26 54.6           ~ 2 0
132 [KKD2019] L1688 66 cor 16 27 26.58 -24 39 23.8           ~ 1 0
133 NAME rho Oph B2 Cloud PoC 16 27 27.9 -24 26 29           ~ 83 1
134 HGBS J162728.0-242438 cor 16 27 28.07 -24 24 38.5           ~ 2 0
135 HGBS J162728.1-242712 cor 16 27 28.1 -24 27 11           ~ 24 0
136 [KKD2019] L1688 25 cor 16 27 29.11 -24 27 05.0           ~ 1 0
137 [JJK2008] SMM J162730-24264 cor 16 27 29.31 -24 26 36.9           ~ 6 0
138 [KKD2019] L1688 44 cor 16 27 29.46 -24 39 17.7           ~ 1 0
139 HGBS J162729.6-242744 cor 16 27 29.64 -24 27 44.5           ~ 2 0
140 [KKD2019] L1688 63 cor 16 27 30.42 -24 25 48.0           ~ 1 0
141 JCMTLSG J162732.6-242703 cor 16 27 32.31 -24 26 55.9           ~ 13 0
142 [KKD2019] L1688 39 cor 16 27 33.72 -24 26 18.8           ~ 1 0
143 [KKD2019] L1688 99 cor 16 27 38.26 -24 42 37.8           ~ 1 0
144 HGBS J162739.3-244115 cor 16 27 39.1 -24 41 15           ~ 5 0
145 HGBS J162743.1-244238 cor 16 27 43.11 -24 42 38.7           ~ 2 0
146 HGBS J162744.5-243701 cor 16 27 44.52 -24 37 01.5           ~ 2 0
147 HGBS J162758.6-243340 cor 16 27 58.67 -24 33 40.0           ~ 2 0
148 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3635 1
149 [KKD2019] L1688 73 cor 16 28 28.69 -24 19 17.6           ~ 1 0
150 HGBS J162831.6-241806 cor 16 28 31.64 -24 18 06.7           ~ 3 0
151 HGBS J162857.9-242053 cor 16 28 57.96 -24 20 53.6           ~ 2 0
152 LDN 1746 DNe 17 11.3 -27 22           ~ 138 0
153 NAME Serpens Cloud SFR 18 29 49 +01 14.8           ~ 1102 2
154 NAME Cepheus Cloud SFR 22 00.0 +76 30           ~ 146 0
155 LDN 1251 DNe 22 36.1 +75 16           ~ 111 0
156 NAME III CEP ASSOC As* 23 04.2 +63 24           ~ 322 0
157 NAME Cepheus Flare MoC 23 34 +72.0           ~ 128 0
158 NAME Gould Belt PoG ~ ~           ~ 874 1

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