2015ApJ...805....9O

Query : 2015ApJ...805....9O

2015ApJ...805....9O - Astrophys. J., 805, 9 (2015/May-3)

The Gould's Belt Very Large Array survey. II. The Serpens region.

ORTIZ-LEON G.N., LOINARD L., MIODUSZEWSKI A.J., DZIB S.A., RODRIGUEZ L.F., PECH G., RIVERA J.L., TORRES R.M., BODEN A.F., HARTMANN L., EVANS II N.J., BRICENO C., TOBIN J., KOUNKEL M.A. and GONZALEZ-LOPEZLIRA R.A.

Abstract (from CDS):

We present deep (∼17 µJy) radio continuum observations of the Serpens molecular cloud, the Serpens south cluster, and the W40 region obtained using the Very Large Array in its A configuration. We detect a total of 146 sources, 29 of which are young stellar objects (YSOs), 2 of which are BV stars, and 5 more of which are associated with phenomena related to YSOs. Based on their radio variability and spectral index, we propose that about 16 of the remaining 110 unclassified sources are also YSOs. For approximately 65% of the known YSOs detected here as radio sources, the emission is most likely non-thermal and related to stellar coronal activity. As also recently observed in Ophiuchus, our sample of YSOs with X-ray counterparts lies below the fiducial Güdel & Benz relation. Finally, we analyze the proper motions of nine sources in the W40 region. This allows us to better constrain the membership of the radio sources in the region.

Abstract Copyright: ∼

Journal keyword(s): astrometry - magnetic fields - radiation mechanisms: non-thermal - radio continuum: stars - techniques: interferometric

VizieR on-line data: <Available at CDS (J/ApJ/805/9): table2.dat table3.dat table6.dat>

Nomenclature: Table 2: GBS-VLA JHHMMSS.ss+DDMMSS.s N=146.

Simbad objects: 164

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Number of rows : 164
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 Tau-Aur Complex SFR 04 30 +25.0           ~ 1357 0
2 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 2331 0
3 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4341 2
4 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3630 1
5 QSO B1801+010 QSO 18 04 15.9844623720 +01 01 32.407105836     19.00 17.32   ~ 83 1
6 GBS-VLA J182850.71+011102.7 Rad 18 28 50.71 +01 11 02.7           ~ 1 0
7 NVSS J182851+010908 Rad 18 28 51.30 +01 09 08.6           ~ 1 0
8 GBS-VLA J182851.48+010947.3 Rad 18 28 51.48 +01 09 47.3           ~ 1 0
9 GBS-VLA J182854.44+011859.7 Rad 18 28 54.44 +01 18 59.7           ~ 2 0
10 GBS-VLA J182854.46+011823.7 Rad 18 28 54.46 +01 18 23.7           ~ 2 0
11 GBS-VLA J182854.87+011753.0 Rad 18 28 54.87 +01 17 53.0           ~ 2 0
12 NVSS J182901+010436 Rad 18 29 01.40 +01 04 34.7           ~ 1 0
13 NAME Serpens G3-G6 Cluster Cl* 18 29 01.5 +00 29 40           ~ 27 1
14 GBS-VLA J182903.06+012331.0 Rad 18 29 03.06 +01 23 31.0           ~ 2 0
15 GBS-VLA J182903.13+010346.0 Rad 18 29 03.13 +01 03 46.0           ~ 1 0
16 GBS-VLA J182905.07+012309.0 Rad 18 29 05.07 +01 23 09.0           ~ 2 0
17 GBS-VLA J182906.84+011742.7 Rad 18 29 06.84 +01 17 42.7           ~ 1 0
18 GBS-VLA J182907.07+011801.9 Rad 18 29 07.07 +01 18 01.9           ~ 1 0
19 GBS-VLA J182907.62+012125.1 Rad 18 29 07.62 +01 21 25.1           ~ 1 0
20 GBS-VLA J182910.17+012559.5 Rad 18 29 10.17 +01 25 59.5           ~ 2 0
21 GBS-VLA J182911.94+012119.4 Rad 18 29 11.94 +01 21 19.4           ~ 2 0
22 GBS-VLA J182912.01+011415.1 Rad 18 29 12.01 +01 14 15.1           ~ 1 0
23 GBS-VLA J182913.17+010906.4 Rad 18 29 13.17 +01 09 06.4           ~ 1 0
24 GBS-VLA J182913.36+011544.3 Rad 18 29 13.36 +01 15 44.3           ~ 1 0
25 GBS-VLA J182913.79+010738.6 Rad 18 29 13.79 +01 07 38.6           ~ 1 0
26 GBS-VLA J182916.11+010437.5 Rad 18 29 16.11 +01 04 37.5           ~ 2 0
27 GBS-VLA J182918.23+011757.7 Rad 18 29 18.23 +01 17 57.7           ~ 2 0
28 GBS-VLA J182926.71+012342.1 Rad 18 29 26.71 +01 23 42.1           ~ 2 0
29 GBS-VLA J182928.02+011156.5 Rad 18 29 28.02 +01 11 56.5           ~ 1 0
30 NVSS J182928+011203 Rad 18 29 28.28 +01 12 05.7           ~ 1 0
31 [GFM2007] 6 Y*O 18 29 29.80 +01 21 57.4           ~ 4 0
32 PMN J1829+0101 Rad 18 29 30.71 +01 00 48.3           ~ 5 1
33 GBS-VLA J182932.21+012104.6 Rad 18 29 32.21 +01 21 04.6           ~ 1 0
34 [SVS76] Ser 14 Y*O 18 29 33.0704323752 +01 17 16.480512312   17.9   15.0   G2.5 15 0
35 GBS-VLA J182933.58-014530.4 Rad 18 29 33.58 -01 45 30.4           ~ 1 0
36 GBS-VLA J182934.12+010810.9 Rad 18 29 34.12 +01 08 10.9           ~ 1 0
37 GBS-VLA J182934.32+011513.9 Rad 18 29 34.32 +01 15 13.9           ~ 1 0
38 NVSS J182934+011504 Rad 18 29 35.02 +01 15 03.2           ~ 3 0
39 GBS-VLA J182935.11+011503.6 Rad 18 29 35.11 +01 15 03.6           ~ 1 0
40 GBS-VLA J182936.50+012317.0 Rad 18 29 36.50 +01 23 17.0           ~ 2 0
41 NVSS J182937+010316 Rad 18 29 37.76 +01 03 14.6           ~ 1 0
42 GBS-VLA J182938.87+011850.4 Rad 18 29 38.87 +01 18 50.4           ~ 1 0
43 GBS-VLA J182939.09+011233.6 Rad 18 29 39.09 +01 12 33.6           ~ 1 0
44 GBS-VLA J182940.03+011051.2 Rad 18 29 40.03 +01 10 51.2           ~ 1 0
45 2MASS J18294023-0151277 Y*O 18 29 40.233 -01 51 27.80           ~ 5 0
46 NVSS J182944+011920 Rad 18 29 44.07 +01 19 21.1           ~ 2 0
47 GBS-VLA J182948.83+010647.4 Rad 18 29 48.83 +01 06 47.4           ~ 2 0
48 GBS-VLA J182948.92+011523.8 Rad 18 29 48.92 +01 15 23.8           ~ 1 0
49 NAME Serpens Cloud SFR 18 29 49 +01 14.8           ~ 1100 2
50 GBS-VLA J182949.42+011526.2 Rad 18 29 49.42 +01 15 26.2           ~ 1 0
51 GBS-VLA J182949.50+011955.8 Rad 18 29 49.50 +01 19 55.8           ~ 2 0
52 GBS-VLA J182949.54+011523.8 Rad 18 29 49.54 +01 15 23.8           ~ 1 0
53 GBS-VLA J182949.60+011522.9 Rad 18 29 49.60 +01 15 22.9           ~ 1 0
54 NAME Serpens SMM 1a mm 18 29 49.80 +01 15 20.6           ~ 18 0
55 GBS-VLA J182950.34+011515.3 Rad 18 29 50.34 +01 15 15.3           ~ 1 0
56 [ETC2005] 8 Rad 18 29 51.04 +01 15 33.8           ~ 4 0
57 GBS-VLA J182951.17+010529.7 Rad 18 29 51.17 +01 05 29.7           ~ 1 0
58 V* V371 Ser Or* 18 29 51.21240 +01 16 39.4860           ~ 119 1
59 NVSS J182951+012131 Rad 18 29 51.22 +01 21 32.0           ~ 1 0
60 GBS-VLA J182951.26+012130.3 Rad 18 29 51.26 +01 21 30.3           ~ 1 0
61 GBS-VLA J182952.22+011547.4 Y*O 18 29 52.20 +01 15 47.6           ~ 47 1
62 GBS-VLA J182952.73-015159.9 Rad 18 29 52.73 -01 51 59.9           ~ 2 0
63 GBS-VLA J182953.99+011229.5 Rad 18 29 53.99 +01 12 29.5           ~ 1 0
64 GBS-VLA J182954.30+012011.2 Rad 18 29 54.30 +01 20 11.2           ~ 1 0
65 GBS-VLA J182954.31+010309.6 Rad 18 29 54.31 +01 03 09.6           ~ 1 0
66 GBS-VLA J182954.36+010350.4 Rad 18 29 54.36 +01 03 50.4           ~ 1 0
67 GBS-VLA J182954.86+011129.3 Rad 18 29 54.86 +01 11 29.3           ~ 1 0
68 GBS-VLA J182955.76+010440.3 Rad 18 29 55.76 +01 04 40.3           ~ 1 0
69 [HCP2006] Cluster A Cld 18 29 56 +01 14.8           ~ 48 0
70 NAME Ser Nebula RNe 18 29 56 +01 14.8           ~ 29 1
71 2MASS J18295696+0112478 Y*O 18 29 56.967 +01 12 47.83           M3.0 26 0
72 2MASS J18295760+0113004 Y*O 18 29 57.602 +01 13 00.42           ~ 36 3
73 2MASS J18295785+0112514 Y*O 18 29 57.858 +01 12 51.40           ~ 60 3
74 [EC92] 95 Y*O 18 29 57.893 +01 12 46.25           K1.0 73 3
75 SSTc2d J182959.5+011159 cor 18 29 59.573 +01 11 58.39           ~ 25 0
76 SSTc2d J182959.9+011311 Y*O 18 29 59.92 +01 13 11.6           ~ 17 1
77 2MASS J18300065+0113402 Y*O 18 30 00.6502197504 +01 13 40.174218912           M0.5 27 0
78 NVSS J183001+010204 Rad 18 30 01.24 +01 02 05.4           ~ 1 0
79 GBS-VLA J183002.42+012405.6 Rad 18 30 02.42 +01 24 05.6           ~ 1 0
80 GBS-VLA J183002.67+012258.1 Rad 18 30 02.67 +01 22 58.1           ~ 1 0
81 NAME Serpens South Cluster Cl* 18 30 03.00 -02 01 58.2           ~ 132 0
82 GBS-VLA J183003.72-014944.3 Rad 18 30 03.72 -01 49 44.3           ~ 1 0
83 GBS-VLA J183004.14+011239.7 Rad 18 30 04.14 +01 12 39.7           ~ 1 0
84 [GFM2007] 70 X 18 30 04.62 +01 22 34.1           ~ 6 0
85 GBS-VLA J183004.65+011353.7 Rad 18 30 04.65 +01 13 53.7           ~ 1 0
86 GBS-VLA J183004.81-020227.8 Y*O 18 30 04.789776 -02 02 27.91146           ~ 4 0
87 GBS-VLA J183004.98+012226.9 Rad 18 30 04.98 +01 22 26.9           ~ 1 0
88 GBS-VLA J183007.29+010324.8 Rad 18 30 07.29 +01 03 24.8           ~ 1 0
89 GBS-VLA J183008.31+011519.1 Rad 18 30 08.31 +01 15 19.1           ~ 1 0
90 NVSS J183008+010634 Rad 18 30 08.69 +01 06 31.3           ~ 1 0
91 GBS-VLA J183008.77+010257.7 Rad 18 30 08.77 +01 02 57.7           ~ 1 0
92 GBS-VLA J183009.68-020032.7 Rad 18 30 09.68 -02 00 32.8           ~ 3 0
93 GBS-VLA J183010.31+012345.2 Rad 18 30 10.31 +01 23 45.2           ~ 1 0
94 GBS-VLA J183010.60+010320.7 Rad 18 30 10.60 +01 03 20.7           ~ 1 0
95 [GFM2007] 81 X 18 30 12.58 +01 12 26.8           ~ 2 0
96 GBS-VLA J183014.25+010924.1 Rad 18 30 14.25 +01 09 24.1           ~ 1 0
97 GBS-VLA J183014.71+011629.6 Rad 18 30 14.71 +01 16 29.6           ~ 1 0
98 GBS-VLA J183015.53+012203.9 Rad 18 30 15.53 +01 22 03.9           ~ 1 0
99 GBS-VLA J183016.56+011304.3 Rad 18 30 16.56 +01 13 04.3           ~ 1 0
100 GBS-VLA J183016.74+010856.2 Rad 18 30 16.74 +01 08 56.2           ~ 1 0
101 GBS-VLA J183018.05+011819.2 Rad 18 30 18.05 +01 18 19.2           ~ 1 0
102 GBS-VLA J183018.69-020249.8 Rad 18 30 18.69 -02 02 49.8           ~ 1 0
103 GBS-VLA J183022.13+011738.1 Rad 18 30 22.13 +01 17 38.1           ~ 1 0
104 GBS-VLA J183023.27-020731.4 Rad 18 30 23.27 -02 07 31.4           ~ 1 0
105 HD 170634 Y*O 18 30 24.8757877680 +01 13 23.641855860 10.53 10.43 9.85     B8V 51 1
106 GBS-VLA J183025.10+012304.3 Rad 18 30 25.10 +01 23 04.3           ~ 1 0
107 2MASS J18302528-0210526 Y*O 18 30 25.287 -02 10 52.63           ~ 3 0
108 GBS-VLA J183031.05+011257.3 Rad 18 30 31.05 +01 12 57.3           ~ 1 0
109 GBS-VLA J183031.68-020954.3 Rad 18 30 31.68 -02 09 54.3           ~ 1 0
110 GBS-VLA J183037.08-021503.3 Rad 18 30 37.08 -02 15 03.3           ~ 1 0
111 GBS-VLA J183038.25-021100.4 Rad 18 30 38.25 -02 11 00.4           ~ 1 0
112 TGU H279 P7 DNe 18 30.7 -02 00           ~ 9 0
113 GBS-VLA J183044.11-020145.6 Rad 18 30 44.11 -02 01 45.6           ~ 2 0
114 GBS-VLA J183052.19+011915.5 Rad 18 30 52.19 +01 19 15.5           ~ 1 0
115 NVSS J183059+012512 Rad 18 30 59.7240121584 +01 25 11.793034416           ~ 1 0
116 GBS-VLA J183059.83+012516.5 Rad 18 30 59.83 +01 25 16.5           ~ 1 0
117 GBS-VLA J183059.86+012519.0 Rad 18 30 59.86 +01 25 19.0           ~ 1 0
118 GBS-VLA J183101.07-021136.8 Rad 18 31 01.07 -02 11 36.8           ~ 1 0
119 GBS-VLA J183102.25-015658.3 Rad 18 31 02.25 -01 56 58.3           ~ 1 0
120 GBS-VLA J183102.41-015706.2 Rad 18 31 02.41 -01 57 06.2           ~ 1 0
121 GBS-VLA J183102.94-015917.0 Rad 18 31 02.94 -01 59 17.0           ~ 1 0
122 GBS-VLA J183104.32+011309.0 Rad 18 31 04.32 +01 13 09.0           ~ 1 0
123 2MASS J18310501-0202475 Y*? 18 31 05.0130780096 -02 02 47.640192828           ~ 3 0
124 NAME Aql Region reg 18 31.1 -02 10           ~ 391 0
125 GBS-VLA J183109.41-015442.1 Rad 18 31 09.41 -01 54 42.1           ~ 1 0
126 GBS-VLA J183113.05-021012.1 Rad 18 31 13.05 -02 10 12.1           ~ 1 0
127 GBS-VLA J183113.23-021011.1 Rad 18 31 13.23 -02 10 11.1           ~ 1 0
128 GBS-VLA J183114.31-020852.1 Rad 18 31 14.31 -02 08 52.1           ~ 1 0
129 2MASS J18311482-0203497 Y*O 18 31 14.8261452312 -02 03 49.987022364           B1 19 0
130 [RRR2010] W40-VLA 2 Y*? 18 31 15.279 -02 04 15.19           ~ 4 0
131 GBS-VLA J183118.68-015455.9 Rad 18 31 18.68 -01 54 55.9           ~ 2 0
132 GBS-VLA J183119.86-020006.1 Rad 18 31 19.86 -02 00 06.1           ~ 1 0
133 2MASS J18312065-0209435 Y*? 18 31 20.658 -02 09 43.57           ~ 3 0
134 [RRR2010] W40-VLA 3 * 18 31 22.328 -02 06 19.49           ~ 6 0
135 [KGF2010] 88 * 18 31 22.811 -02 09 30.61           ~ 2 0
136 GBS-VLA J183123.62-020535.8 * 18 31 23.6220856416 -02 05 35.752729488           ~ 8 0
137 [KGF2010] 102 * 18 31 24.559 -02 02 31.74           ~ 2 0
138 NAME W 40 Cluster Cl* 18 31 25 -02 05.8           ~ 10 2
139 GBS-VLA J183125.77-015506.7 Rad 18 31 25.77 -01 55 06.7           ~ 1 0
140 2MASS J18312601-0205169 Y*? 18 31 26.0248797696 -02 05 16.956048228           ~ 10 0
141 GBS-VLA J183126.27-020630.7 Rad 18 31 26.27 -02 06 30.7           ~ 1 0
142 LBN 028.77+03.43 HII 18 31 26.5 -02 04 22           ~ 230 2
143 GBS-VLA J183126.85-021042.4 Rad 18 31 26.85 -02 10 42.4           ~ 1 0
144 [RRR2010] W40-VLA 9 Rad 18 31 27.312 -02 05 04.44           ~ 3 0
145 2MASS J18312745-0205118 Y*? 18 31 27.4602697752 -02 05 11.934787164           ~ 9 0
146 GBS-VLA J183127.64-020513.5 * 18 31 27.6441754248 -02 05 13.378511148           ~ 4 0
147 2MASS J18312765-0205096 Y*O 18 31 27.6558573720 -02 05 09.694706676           ~ 11 0
148 [RRR2010] W40-VLA 14 Rad 18 31 27.681 -02 05 19.66           ~ 3 0
149 GBS-VLA J183127.78-020823.0 Rad 18 31 27.78 -02 08 23.0           ~ 1 0
150 GBS-VLA J183127.78-020449.5 * 18 31 27.7833841560 -02 04 49.464094548           ~ 2 0
151 CXOW40 J183127.84-020523.5 * 18 31 27.827 -02 05 22.86     15.0     O9.5 22 1
152 GBS-VLA J183128.01-020517.9 * 18 31 28.0015403280 -02 05 17.187564732           ~ 4 0
153 2MASS J18312866-0205297 Y*? 18 31 28.6632266856 -02 05 29.804888544           ~ 8 0
154 [RRR2010] W40-VLA 19 Rad 18 31 28.683 -02 05 22.25           ~ 2 0
155 2MASS J18312942-0205410 Y*? 18 31 29.426 -02 05 41.08           ~ 3 0
156 2MASS J18313056-0205306 Y*? 18 31 30.561 -02 05 30.64           ~ 3 0
157 2MASS J18314862-0207006 Y*? 18 31 48.6206827080 -02 07 00.636477852           ~ 3 0
158 GBS-VLA J183153.39-020959.9 Rad 18 31 53.4008878296 -02 09 59.925393216           ~ 1 0
159 NAME Aql Rift DNe 18 32 -01.0           ~ 316 1
160 GBS-VLA J183201.69-020243.2 Rad 18 32 01.69 -02 02 43.2           ~ 1 0
161 GBS-VLA J183201.76-021012.1 Rad 18 32 01.76 -02 10 12.1           ~ 1 0
162 LBN 026.83+03.54 HII 19 27.5 -03 47           ~ 19 0
163 V* WY Cas S* 23 58 01.3064089800 +56 29 13.475449716   12.48 10.76 10.68   S6-6.5/6-e 73 0
164 NAME Gould Belt PoG ~ ~           ~ 873 1

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