2009MNRAS.392.1034O

Query : 2009MNRAS.392.1034O

2009MNRAS.392.1034O - Mon. Not. R. Astron. Soc., 392, 1034-1050 (2009/January-3)

The low-mass initial mass function in the young cluster NGC 6611.

OLIVEIRA J.M., JEFFRIES R.D. and VAN LOON J.T.

Abstract (from CDS):

NGC6611 is the massive young cluster (2-3Myr) that ionizes the Eagle Nebula. We present very deep photometric observations of the central region of NGC6611 obtained with the Hubble Space Telescope and the following filters: ACS/WFC F775W and F850LP and NIC2 F110W and F160W, loosely equivalent to ground-based IZJH filters. This survey reaches down to I ∼ 26mag. We construct the initial mass function (IMF) from ∼1.5M☉well into the brown dwarf regime (down to ∼0.02M☉). We have detected 30-35 brown dwarf candidates in this sample. The low-mass IMF is combined with a higher-mass IMF constructed from the ground-based catalogue from Oliveira et al. We compare the final IMF with those of well-studied star-forming regions: we find that the IMF of NGC6611 more closely resembles that of the low-mass star-forming region in Taurus than that of the more massive Orion Nebula Cluster. We conclude that there seems to be no severe environmental effect in the IMF due to the proximity of the massive stars in NGC6611.

Abstract Copyright: © 2008 The Authors. Journal compilation © 2008 RAS

Journal keyword(s): stars: late-type - stars: low-mass, brown dwarfs - stars: luminosity function, mass function - stars: pre-main-sequence - open cluster and associations: individual: NGC6611

VizieR on-line data: <Available at CDS (J/MNRAS/392/1034): table1.dat table2.dat>

Nomenclature: Tables 1, 2: [OJV2009] JHHMMSS.ss+DDMMSS.ss N=435.

Simbad objects: 361

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Number of rows : 361
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 Cl Blanco 1 OpC 00 03 24.7 -29 57 29           ~ 325 0
2 IC 348 OpC 03 44 31.7 +32 09 32           ~ 1393 1
3 Cl Melotte 22 OpC 03 46 24.2 +24 06 50           ~ 3436 0
4 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4418 0
5 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 2332 0
6 NAME Ori Trapezium OpC 05 35 16.5 -05 23 14           ~ 1619 1
7 NGC 2024 Cl* 05 41 43 -01 50.5           ~ 1154 1
8 NAME Cha 1 MoC 11 06 48 -77 18.0           ~ 1154 1
9 NAME Crux Arm PoG 12 30 -60.0           ~ 88 0
10 NAME Upper Sco Association As* 16 12 -23.4           ~ 1369 1
11 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 14420 0
12 CXOU J181836.7-134721 Y*O 18 18 36.7990639824 -13 47 21.559302348         17.571 ~ 2 0
13 [OJV2009] J181836.83-134722.94 * 18 18 36.83 -13 47 22.9         21.956 ~ 1 0
14 Cl* NGC 6611 GMD 1109 Y*O 18 18 36.8894667696 -13 47 16.567856376   21.409 19.518   16.955 ~ 3 0
15 [OJV2009] J181836.98-134713.40 * 18 18 36.98 -13 47 13.4         19.963 ~ 1 0
16 Cl* NGC 6611 GMD 419 Y*O 18 18 37.2226544664 -13 47 20.698701936   21.568 19.431   16.741 ~ 4 0
17 Cl* NGC 6611 GMD 1154 Y*O 18 18 37.2364600968 -13 47 26.969263512 22.106 20.519 18.358   15.823 ~ 5 0
18 [OJV2009] J181837.38-134811.92 * 18 18 37.38 -13 48 11.9         20.284 ~ 1 0
19 CXOU J181837.5-134707 Y*O 18 18 37.5934595376 -13 47 07.802362932         18.192 ~ 2 0
20 [OJV2009] J181837.70-134733.95 * 18 18 37.7026818792 -13 47 33.921872880         18.143 ~ 1 0
21 [OJV2009] J181837.81-134737.79 * 18 18 37.81 -13 47 37.8         24.051 ~ 1 0
22 2MASS J18183795-1348059 Y*O 18 18 37.9489748400 -13 48 05.952951252   22.474 20.695   17.680 ~ 4 0
23 [OJV2009] J181837.97-134754.93 * 18 18 37.97 -13 47 54.9         18.893 ~ 1 0
24 [OJV2009] J181837.98-134822.39 * 18 18 37.98 -13 48 22.4         20.127 ~ 1 0
25 2MASS J18183798-1347086 * 18 18 37.9908916968 -13 47 08.641860108         17.441 ~ 1 0
26 CXOU J181838.0-134728 Y*O 18 18 38.0601128160 -13 47 28.465525572         19.463 ~ 2 0
27 2MASS J18183806-1347215 Y*O 18 18 38.0695646184 -13 47 21.513282792   20.687 18.354   15.652 ~ 4 0
28 Cl* NGC 6611 GMD 1149 Y*O 18 18 38.0782112016 -13 47 44.857813200 22.206 20.269 18.314   16.006 ~ 6 0
29 Cl* NGC 6611 GMD 1146 Y*O 18 18 38.107 -13 47 52.76   22.974 20.955   17.317 ~ 3 0
30 [OJV2009] J181838.11-134741.50 * 18 18 38.11 -13 47 41.4         17.821 ~ 1 0
31 [OJV2009] J181838.14-134806.93 * 18 18 38.14 -13 48 06.9         20.003 ~ 1 0
32 2MASS J18183815-1348157 Y*O 18 18 38.1548687712 -13 48 15.777090684 23.022 21.523 19.510   17.159 ~ 4 0
33 [OJV2009] J181838.19-134751.65 * 18 18 38.19 -13 47 51.6         21.066 ~ 1 0
34 [OJV2009] J181838.25-134740.50 * 18 18 38.25 -13 47 40.5         18.599 ~ 1 0
35 [OJV2009] J181838.28-134715.23 * 18 18 38.28 -13 47 15.2         19.388 ~ 1 0
36 2MASS J18183829-1347515 Y*O 18 18 38.2990911046 -13 47 51.520715518 21.772 20.005 18.008   15.722 ~ 6 0
37 [OJV2009] J181838.34-134733.67 * 18 18 38.3437144416 -13 47 33.675700992         17.146 ~ 1 0
38 [OJV2009] J181838.37-134757.25 * 18 18 38.3764796256 -13 47 57.268147668         19.233 ~ 1 0
39 [OJV2009] J181838.38-134803.62 * 18 18 38.38 -13 48 03.6         25.596 ~ 1 0
40 [OJV2009] J181838.39-134732.49 * 18 18 38.39 -13 47 32.5         20.904 ~ 1 0
41 [OJV2009] J181838.40-134807.15 * 18 18 38.40 -13 48 07.1         20.836 ~ 1 0
42 [OJV2009] J181838.41-134729.34 * 18 18 38.41 -13 47 29.3         22.794 ~ 1 0
43 [OJV2009] J181838.41-134725.19 * 18 18 38.41 -13 47 25.2         17.867 ~ 1 0
44 CXOU J181838.5-134719 Y*O 18 18 38.5299496656 -13 47 19.169937276         19.063 ~ 2 0
45 [OJV2009] J181838.60-134731.45 * 18 18 38.60 -13 47 31.5         24.108 ~ 1 0
46 CXOU J181838.6-134728 Y*O 18 18 38.63 -13 47 28.6         19.449 ~ 2 0
47 Cl* NGC 6611 GMD 1005 Y*O 18 18 38.6716749240 -13 48 06.462536940 21.911 20.883 18.826   16.418 ~ 6 0
48 2MASS J18183868-1348186 * 18 18 38.6804651376 -13 48 18.488168244         17.623 ~ 1 0
49 Cl* NGC 6611 GMD 285 Em* 18 18 38.7225464712 -13 47 10.392090144 21.223 20.209 18.161   16.312 ~ 8 0
50 2MASS J18183873-1348246 * 18 18 38.740 -13 48 24.68         19.581 ~ 1 0
51 [OJV2009] J181838.74-134719.55 * 18 18 38.74 -13 47 19.6         19.783 ~ 1 0
52 [OJV2009] J181838.76-134715.33 * 18 18 38.7603292296 -13 47 15.348125580         17.738 ~ 1 0
53 [OJV2009] J181838.78-134746.15 * 18 18 38.78 -13 47 46.1         20.380 ~ 1 0
54 [OJV2009] J181838.80-134734.29 * 18 18 38.8049401968 -13 47 34.303671096         19.184 ~ 1 0
55 [OJV2009] J181838.83-134708.47 * 18 18 38.83 -13 47 08.5         18.633 ~ 1 0
56 2MASS J18183883-1347515 Y*O 18 18 38.8623993816 -13 47 51.025851528         18.666 ~ 2 0
57 [OJV2009] J181838.88-134731.10 * 18 18 38.8864934112 -13 47 31.104768444         17.841 ~ 1 0
58 [OJV2009] J181838.92-134710.13 * 18 18 38.92 -13 47 10.1         22.844 ~ 1 0
59 CXOU J181838.9-134713 Y*O 18 18 38.9708488872 -13 47 13.647739920         17.855 ~ 2 0
60 [OJV2009] J181839.00-134807.37 * 18 18 39.00 -13 48 07.4         24.167 ~ 1 0
61 Cl* NGC 6611 GMD 1039 Y*O 18 18 39.01 -13 47 09.8   22.524 21.180   18.138 ~ 3 0
62 [OJV2009] J181839.02-134704.76 * 18 18 39.02 -13 47 04.8         21.737 ~ 1 0
63 [OJV2009] J181839.02-134815.55 * 18 18 39.0211378800 -13 48 15.551865864         18.243 ~ 1 0
64 [OJV2009] J181839.09-134717.01 * 18 18 39.09 -13 47 17.0         20.062 ~ 1 0
65 [OJV2009] J181839.11-134800.46 * 18 18 39.11 -13 48 00.5         19.070 ~ 1 0
66 [OJV2009] J181839.14-134727.07 * 18 18 39.14 -13 47 27.1         19.808 ~ 1 0
67 [OJV2009] J181839.16-134722.42 * 18 18 39.16 -13 47 22.4         19.330 ~ 1 0
68 [OJV2009] J181839.16-134705.78 * 18 18 39.16 -13 47 05.8         20.715 ~ 1 0
69 [OJV2009] J181839.19-134709.62 * 18 18 39.19 -13 47 09.6         19.891 ~ 1 0
70 [OJV2009] J181839.20-134707.66 * 18 18 39.20 -13 47 07.7         18.952 ~ 1 0
71 Cl* NGC 6611 GMD 944 Y*O 18 18 39.2004202872 -13 48 12.335478624 21.663 21.087 18.971   16.531 ~ 4 0
72 [OJV2009] J181839.22-134708.51 * 18 18 39.22 -13 47 08.5         23.307 ~ 1 0
73 [OJV2009] J181839.22-134706.81 * 18 18 39.22 -13 47 06.8         18.039 ~ 1 0
74 [OJV2009] J181839.22-134706.41 * 18 18 39.22 -13 47 06.4         18.757 ~ 1 0
75 2MASS J18183920-1347589 Y*O 18 18 39.234 -13 47 59.00   22.949 20.474   17.500 ~ 4 0
76 [OJV2009] J181839.27-134822.99 * 18 18 39.2695749312 -13 48 23.024846412         19.007 ~ 1 0
77 CXOU J181839.3-134720 Y*O 18 18 39.31 -13 47 20.6         17.291 ~ 2 0
78 CXOU J181839.3-134714 Y*O 18 18 39.33 -13 47 14.3         17.544 ~ 2 0
79 [OJV2009] J181839.37-134719.66 * 18 18 39.37 -13 47 19.7         21.480 ~ 1 0
80 Cl* NGC 6611 PPM 32 Y*O 18 18 39.3727282656 -13 47 11.784918192   17.482 15.863   13.975 ~ 9 0
81 SSTGLMC G016.9413+00.8261 Em* 18 18 39.4070510760 -13 48 08.319632436         17.819 ~ 3 0
82 CXOU J181839.4-134742 Y*O 18 18 39.41 -13 47 42.3         20.199 ~ 2 0
83 [OJV2009] J181839.43-134706.95 * 18 18 39.43 -13 47 07.0         18.032 ~ 1 0
84 [OJV2009] J181839.44-134720.70 * 18 18 39.44 -13 47 20.7         17.807 ~ 1 0
85 Cl* NGC 6611 GMD 1159 Y*O 18 18 39.440 -13 47 08.35   21.029 18.927   15.817 ~ 3 0
86 [OJV2009] J181839.46-134733.98 * 18 18 39.46 -13 47 34.0         18.693 ~ 1 0
87 Cl* NGC 6611 GMD 1160 * 18 18 39.46 -13 47 08.8   22.062 20.034   17.017 ~ 2 0
88 [OJV2009] J181839.48-134819.19 * 18 18 39.48 -13 48 19.2         20.082 ~ 1 0
89 [OJV2009] J181839.49-134712.08 * 18 18 39.49 -13 47 12.1         21.730 ~ 1 0
90 [OJV2009] J181839.52-134712.99 * 18 18 39.52 -13 47 13.0         21.390 ~ 1 0
91 [OJV2009] J181839.54-134712.66 * 18 18 39.54 -13 47 12.7         18.591 ~ 1 0
92 [OJV2009] J181839.55-134802.43 * 18 18 39.55 -13 48 02.4         20.515 ~ 1 0
93 [OJV2009] J181839.57-134720.55 * 18 18 39.57 -13 47 20.6         18.283 ~ 1 0
94 [OJV2009] J181839.59-134720.50 * 18 18 39.59 -13 47 20.5         19.194 ~ 1 0
95 [OJV2009] J181839.61-134820.05 * 18 18 39.6123403680 -13 48 20.025897156         19.218 ~ 1 0
96 [OJV2009] J181839.62-134704.88 * 18 18 39.62 -13 47 04.9         20.682 ~ 1 0
97 [OJV2009] J181839.63-134815.65 * 18 18 39.63 -13 48 15.6         19.737 ~ 1 0
98 Cl* NGC 6611 GMD 1084 Y*O 18 18 39.6526469352 -13 48 11.067007248   23.507 21.155   18.049 ~ 4 0
99 [OJV2009] J181839.70-134730.92 * 18 18 39.70 -13 47 30.9         21.740 ~ 1 0
100 [OJV2009] J181839.71-134737.94 * 18 18 39.71 -13 47 37.9         19.655 ~ 1 0
101 CXOU J181839.7-134748 Em* 18 18 39.7370496768 -13 47 48.201976176         17.167 ~ 4 0
102 2MASS J18183978-1347352 Y*O 18 18 39.7901370744 -13 47 35.224006200   16.841 15.114   13.151 ~ 7 0
103 CXOU J181839.7-134738 Y*O 18 18 39.7992644808 -13 47 38.353798284         14.525 ~ 6 0
104 CXOU J181839.8-134806 Y*O 18 18 39.8019443640 -13 48 06.641646840         17.803 ~ 2 0
105 2MASS J18183981-1348137 Y*O 18 18 39.8169947352 -13 48 13.768254216   22.375 19.860   16.884 ~ 4 0
106 V* FM Ser Or* 18 18 39.833 -13 47 44.19 19.766 19.971 17.822 16.00 15.039 ~ 7 0
107 [OJV2009] J181839.89-134734.77 * 18 18 39.89 -13 47 34.8         19.407 ~ 1 0
108 [OJV2009] J181839.91-134728.54 * 18 18 39.91 -13 47 28.5         22.714 ~ 1 0
109 CXOU J181839.9-134750 Y*O 18 18 39.9248650608 -13 47 50.954764416         18.723 ~ 2 0
110 CXOU J181839.9-134830 Y*O 18 18 39.95 -13 48 30.2         17.960 ~ 2 0
111 [OJV2009] J181839.97-134833.05 * 18 18 39.97 -13 48 33.0         18.285 ~ 1 0
112 [OJV2009] J181840.01-134744.64 * 18 18 40.01 -13 47 44.6         20.366 ~ 1 0
113 Cl* NGC 6611 GMD 1054 Y*O 18 18 40.0563711264 -13 47 45.952752948   21.599 19.399   16.636 ~ 3 0
114 NGC 6611 245 Em* 18 18 40.0888470456 -13 47 00.829161204 15.334 14.431 13.512   12.225 A0 19 0
115 Cl* NGC 6611 GMD 963 Y*O 18 18 40.1796748176 -13 47 20.055080364 23.113 22.409 20.285   17.350 ~ 4 0
116 Cl* NGC 6611 GMD 949 Y*O 18 18 40.187 -13 47 56.62   23.403 20.656   17.556 ~ 4 0
117 Cl* NGC 6611 GMD 349 Y*O 18 18 40.2256548264 -13 47 41.256483144     20.987   17.936 ~ 3 0
118 CXOU J181840.2-134728 Y*O 18 18 40.23 -13 47 28.2         18.388 ~ 2 0
119 [OJV2009] J181840.24-134733.43 * 18 18 40.24 -13 47 33.4         19.766 ~ 1 0
120 [OJV2009] J181840.25-134733.78 * 18 18 40.25 -13 47 33.8         19.314 ~ 1 0
121 Cl* NGC 6611 GMD 1009 * 18 18 40.2612665346 -13 47 31.022159820 22.912 20.308 18.280   16.032 ~ 5 0
122 Cl* NGC 6611 GMD 1101 Y*O 18 18 40.32 -13 47 55.0   23.804 21.050   17.745 ~ 3 0
123 [OJV2009] J181840.32-134711.89 * 18 18 40.3280089368 -13 47 11.923631880         17.283 ~ 1 0
124 [OJV2009] J181840.33-134710.60 * 18 18 40.33 -13 47 10.6         20.734 ~ 1 0
125 [OJV2009] J181840.36-134709.89 * 18 18 40.36 -13 47 09.9         22.954 ~ 1 0
126 [OJV2009] J181840.38-134800.81 * 18 18 40.38 -13 48 00.8         23.980 ~ 1 0
127 [OJV2009] J181840.39-134800.20 * 18 18 40.39 -13 48 00.2         22.006 ~ 1 0
128 [OJV2009] J181840.44-134723.81 * 18 18 40.44 -13 47 23.8         21.370 ~ 1 0
129 [OJV2009] J181840.44-134717.10 * 18 18 40.44 -13 47 17.1         23.696 ~ 1 0
130 [OJV2009] J181840.47-134822.03 * 18 18 40.4713655856 -13 48 22.061146176         19.674 ~ 1 0
131 Cl* NGC 6611 GMD 404 Y*O 18 18 40.4761069272 -13 47 18.296090376 21.647 20.702 18.689   16.239 ~ 7 0
132 Cl* NGC 6611 GMD 990 Y*O 18 18 40.502 -13 47 46.46   21.419 19.226   16.755 ~ 3 0
133 [OJV2009] J181840.52-134713.21 * 18 18 40.52 -13 47 13.2         25.317 ~ 1 0
134 [OJV2009] J181840.52-134826.78 * 18 18 40.5222094848 -13 48 26.735924124         17.609 ~ 1 0
135 [OJV2009] J181840.56-134726.59 * 18 18 40.5631735608 -13 47 26.602546596         18.768 ~ 1 0
136 2MASS J18184057-1347005 Y*O 18 18 40.5690385392 -13 47 00.619669464 21.318 19.887 17.922   15.529 ~ 7 0
137 [OJV2009] J181840.59-134811.34 * 18 18 40.59 -13 48 11.3         25.397 ~ 1 0
138 CXOU J181840.6-134715 Y*O 18 18 40.6026702600 -13 47 15.108737748         17.292 ~ 2 0
139 NGC 6611 252 * 18 18 40.6119831768 -13 47 44.483783424   14.7 13.90   12.708 F5 7 0
140 [OJV2009] J181840.68-134736.62 * 18 18 40.6858429368 -13 47 36.655047348         19.398 ~ 1 0
141 [OJV2009] J181840.74-134709.48 * 18 18 40.7482434888 -13 47 09.483532296         19.002 ~ 1 0
142 [OJV2009] J181840.76-134822.50 * 18 18 40.76 -13 48 22.5         22.887 ~ 1 0
143 [OJV2009] J181840.77-134730.38 * 18 18 40.77 -13 47 30.4         22.841 ~ 1 0
144 [OJV2009] J181840.80-134718.17 * 18 18 40.80 -13 47 18.2         23.368 ~ 1 0
145 [OJV2009] J181840.81-134757.78 * 18 18 40.8135102144 -13 47 57.805763820         18.981 ~ 1 0
146 Cl* NGC 6611 GMD 1041 Y*O 18 18 40.832 -13 47 28.18   22.515 20.408   17.432 ~ 3 0
147 CXOU J181840.8-134808 Y*O 18 18 40.85 -13 48 08.1         18.799 ~ 2 0
148 [OJV2009] J181840.85-134713.69 * 18 18 40.85 -13 47 13.7         18.216 ~ 1 0
149 [OJV2009] J181840.87-134807.10 * 18 18 40.87 -13 48 07.1         17.727 ~ 1 0
150 [OJV2009] J181840.87-134750.63 * 18 18 40.87 -13 47 50.6         20.719 ~ 1 0
151 Cl* NGC 6611 GMD 1098 * 18 18 40.88 -13 48 06.7     21.622   17.867 ~ 2 0
152 [OJV2009] J181840.89-134739.78 * 18 18 40.89 -13 47 39.8         20.172 ~ 1 0
153 [OJV2009] J181840.92-134727.07 * 18 18 40.92 -13 47 27.0         17.754 ~ 1 0
154 [OJV2009] J181840.93-134742.62 * 18 18 40.93 -13 47 42.6         21.964 ~ 1 0
155 [OJV2009] J181840.93-134720.09 * 18 18 40.93 -13 47 20.1         22.975 ~ 1 0
156 CXOU J181840.9-134713 Y*O 18 18 40.96 -13 47 13.8         17.453 ~ 2 0
157 NGC 6611 257 * 18 18 40.9643395680 -13 47 38.053182876   16.79 15.588   14.161 ~ 6 0
158 [OJV2009] J181840.97-134732.58 * 18 18 40.97 -13 47 32.6         18.118 ~ 1 0
159 [OJV2009] J181841.01-134657.84 * 18 18 41.0102920344 -13 46 57.816239736         18.892 ~ 1 0
160 [OJV2009] J181841.01-134718.39 * 18 18 41.0197625486 -13 47 18.443281090         16.572 ~ 2 0
161 CXOU J181841.0-134730 Y*O 18 18 41.02 -13 47 30.6         18.117 ~ 2 0
162 [OJV2009] J181841.02-134700.25 * 18 18 41.02 -13 47 00.2         20.255 ~ 1 0
163 [OJV2009] J181841.04-134822.16 * 18 18 41.04 -13 48 22.2         21.924 ~ 1 0
164 [OJV2009] J181841.05-134800.60 * 18 18 41.0585711784 -13 48 00.609192828         17.843 ~ 1 0
165 [OJV2009] J181841.08-134753.02 * 18 18 41.08 -13 47 53.0         19.803 ~ 1 0
166 2MASS J18184108-1347436 Y*O 18 18 41.0841551952 -13 47 43.624352112 21.741 20.618 18.567   16.028 ~ 6 0
167 Cl* NGC 6611 GMD 1094 Y*O 18 18 41.0931747960 -13 47 05.398955160 22.006 21.288 19.075   16.531 ~ 6 0
168 [OJV2009] J181841.12-134746.78 * 18 18 41.12 -13 47 46.8         25.068 ~ 1 0
169 [OJV2009] J181841.14-134734.86 * 18 18 41.14 -13 47 34.9         19.476 ~ 1 0
170 [OJV2009] J181841.17-134808.07 * 18 18 41.17 -13 48 08.1         20.228 ~ 1 0
171 [OJV2009] J181841.21-134701.19 * 18 18 41.21 -13 47 01.2         19.554 ~ 1 0
172 [OJV2009] J181841.23-134700.33 * 18 18 41.23 -13 47 00.3         21.617 ~ 1 0
173 2MASS J18184123-1347477 Y*O 18 18 41.2373132352 -13 47 47.764532184 21.367 20.484 18.464   16.185 ~ 6 0
174 [OJV2009] J181841.25-134709.27 * 18 18 41.25 -13 47 09.3         23.188 ~ 1 0
175 [OJV2009] J181841.26-134803.32 * 18 18 41.26 -13 48 03.3         22.443 ~ 1 0
176 [OJV2009] J181841.28-134746.66 * 18 18 41.28 -13 47 46.7         22.491 ~ 1 0
177 [OJV2009] J181841.33-134727.06 * 18 18 41.33 -13 47 27.1         22.279 ~ 1 0
178 CXOU J181841.3-134720 Y*O 18 18 41.35 -13 47 20.1         21.325 ~ 2 0
179 CXOU J181841.3-134716 Y*O 18 18 41.3540041104 -13 47 17.217873312         18.676 ~ 2 0
180 [OJV2009] J181841.36-134727.67 * 18 18 41.36 -13 47 27.7         19.977 ~ 1 0
181 2MASS J18184141-1347082 Y*O 18 18 41.4285474672 -13 47 08.318287752 21.322 19.584 17.623   15.381 ~ 6 0
182 [OJV2009] J181841.44-134746.87 * 18 18 41.44 -13 47 46.9         24.059 ~ 1 0
183 [OJV2009] J181841.45-134728.60 * 18 18 41.45 -13 47 28.6         19.747 ~ 1 0
184 [OJV2009] J181841.50-134810.87 * 18 18 41.5056145728 -13 48 10.889362800         17.936 ~ 1 0
185 2MASS J18184151-1348010 Y*O 18 18 41.5074157896 -13 48 01.126609164   22.647 20.027   17.133 ~ 3 0
186 [OJV2009] J181841.51-134725.40 * 18 18 41.51 -13 47 25.4         24.889 ~ 1 0
187 [OJV2009] J181841.53-134727.98 * 18 18 41.53 -13 47 28.0         20.332 ~ 1 0
188 [OJV2009] J181841.54-134712.77 * 18 18 41.54 -13 47 12.8         17.598 ~ 1 0
189 [OJV2009] J181841.56-134815.71 * 18 18 41.560 -13 48 15.71         19.132 ~ 1 0
190 [OJV2009] J181841.57-134731.42 * 18 18 41.57 -13 47 31.4         18.813 ~ 1 0
191 [OJV2009] J181841.58-134738.60 * 18 18 41.58 -13 47 38.6         24.276 ~ 1 0
192 Cl* NGC 6611 GMD 1118 * 18 18 41.5894747896 -13 48 15.319399896 22.086 19.858 17.816   15.400 ~ 3 0
193 [OJV2009] J181841.59-134730.56 * 18 18 41.59 -13 47 30.6         18.474 ~ 1 0
194 [OJV2009] J181841.62-134720.30 * 18 18 41.62 -13 47 20.3         23.758 ~ 1 0
195 [OJV2009] J181841.64-134719.47 * 18 18 41.63 -13 47 19.3         19.983 ~ 1 0
196 [OJV2009] J181841.64-134736.25 * 18 18 41.6382752400 -13 47 36.222069876         19.127 ~ 1 0
197 [OJV2009] J181841.64-134712.71 * 18 18 41.64 -13 47 12.7         16.948 ~ 1 0
198 Cl* NGC 6611 GMD 1122 Y*O 18 18 41.648 -13 47 31.71   22.124 19.831   16.838 ~ 4 0
199 [OJV2009] J181841.68-134751.65 * 18 18 41.68 -13 47 51.6         23.434 ~ 1 0
200 [OJV2009] J181841.70-134750.21 * 18 18 41.70 -13 47 50.2         19.276 ~ 1 0
201 [OJV2009] J181841.70-134741.35 * 18 18 41.70 -13 47 41.3         19.627 ~ 1 0
202 2MASS J18184171-1348062 * 18 18 41.7117115008 -13 48 06.255760536         16.272 ~ 4 0
203 Cl* NGC 6611 GMD 987 Y*O 18 18 41.72 -13 47 21.7   21.240 19.107   16.504 ~ 3 0
204 [OJV2009] J181841.73-134800.46 * 18 18 41.730 -13 48 00.46         17.337 ~ 1 0
205 [OJV2009] J181841.75-134739.61 * 18 18 41.7529137912 -13 47 39.632509284         19.571 ~ 1 0
206 [OJV2009] J181841.76-134721.21 * 18 18 41.76 -13 47 21.2         20.040 ~ 1 0
207 CXOU J181841.7-134731 Y*O 18 18 41.78 -13 47 31.7         17.494 ~ 2 0
208 [OJV2009] J181841.78-134713.40 * 18 18 41.78 -13 47 13.4         19.908 ~ 1 0
209 [OJV2009] J181841.80-134800.51 * 18 18 41.800 -13 48 00.51         22.620 ~ 1 0
210 [OJV2009] J181841.80-134727.24 * 18 18 41.80 -13 47 27.2         17.145 ~ 1 0
211 Cl* NGC 6611 GMD 1010 Y*O 18 18 41.8111480320 -13 47 29.213298528 22.092 20.677 18.672   16.305 ~ 9 0
212 Cl* NGC 6611 GMD 1097 Y*O 18 18 41.820 -13 47 04.38   20.796 18.701   16.240 ~ 3 0
213 Cl* NGC 6611 GMD 1040 Y*O 18 18 41.86 -13 47 18.2   23.138 21.605   18.499 ~ 3 0
214 Cl* NGC 6611 GMD 1081 Y*O 18 18 41.8602654642 -13 47 23.066453026 22.045 20.070 18.105   15.770 ~ 7 0
215 CXOU J181841.8-134749 Y*O 18 18 41.87 -13 47 48.9         17.922 ~ 2 0
216 [OJV2009] J181841.89-134721.47 * 18 18 41.89 -13 47 21.5         17.192 ~ 1 0
217 2MASS J18184194-1347063 Y*O 18 18 41.9570735175 -13 47 06.514575556 22.936 19.956 18.008   15.778 ~ 5 0
218 [OJV2009] J181841.95-134817.80 * 18 18 41.9571626304 -13 48 17.802922032         19.012 ~ 1 0
219 [OJV2009] J181841.98-134715.86 * 18 18 41.98 -13 47 15.9         19.646 ~ 1 0
220 [OJV2009] J181842.01-134759.89 * 18 18 42.01 -13 47 59.9         24.263 ~ 1 0
221 [OJV2009] J181842.03-134717.87 * 18 18 42.03 -13 47 17.9         17.153 ~ 1 0
222 [OJV2009] J181842.04-134743.11 * 18 18 42.04 -13 47 43.0         19.064 ~ 1 0
223 [OJV2009] J181842.04-134745.26 * 18 18 42.0467473296 -13 47 45.318875640         18.370 ~ 1 0
224 [OJV2009] J181842.07-134758.33 * 18 18 42.07 -13 47 58.3         22.919 ~ 1 0
225 Cl* NGC 6611 GMD 961 Em* 18 18 42.1800325872 -13 47 22.468425252 20.517 19.129 17.163   14.843 ~ 8 0
226 [OJV2009] J181842.19-134750.71 * 18 18 42.19 -13 47 50.7         23.467 ~ 1 0
227 [OJV2009] J181842.21-134808.88 * 18 18 42.2184153576 -13 48 08.871240096         19.713 ~ 1 0
228 [OJV2009] J181842.24-134815.23 * 18 18 42.24 -13 48 15.2         24.420 ~ 1 0
229 [OJV2009] J181842.25-134733.79 * 18 18 42.25 -13 47 33.8         18.342 ~ 1 0
230 NGC 6611 273 Y*? 18 18 42.2520475416 -13 47 30.442757100 15.731 14.915 14.113   13.065 A0 19 0
231 [OJV2009] J181842.26-134733.68 * 18 18 42.260 -13 47 33.68         16.586 ~ 1 0
232 [OJV2009] J181842.29-134734.89 * 18 18 42.29 -13 47 34.9         19.207 ~ 1 0
233 [OJV2009] J181842.31-134724.11 * 18 18 42.31 -13 47 24.1         18.409 ~ 1 0
234 CXOU J181842.3-134727 Y*O 18 18 42.34 -13 47 28.1         18.060 ~ 2 0
235 [OJV2009] J181842.38-134754.73 * 18 18 42.38 -13 47 54.7         20.998 ~ 1 0
236 CXOU J181842.4-134734 Y*O 18 18 42.40 -13 47 35.1         16.850 ~ 2 0
237 [OJV2009] J181842.44-134804.49 * 18 18 42.44 -13 48 04.5         19.816 ~ 1 0
238 [OJV2009] J181842.49-134735.29 * 18 18 42.49 -13 47 35.3         16.929 ~ 1 0
239 Cl* NGC 6611 GMD 965 Y*O 18 18 42.5066011200 -13 47 17.850726780 23.090 20.479 18.483   16.103 ~ 7 0
240 2MASS J18184250-1347059 * 18 18 42.5075295456 -13 47 06.003536820         15.979 ~ 1 0
241 [OJV2009] J181842.51-134715.23 * 18 18 42.51 -13 47 15.2         19.431 ~ 1 0
242 Cl* NGC 6611 GMD 1078 * 18 18 42.517 -13 47 35.31   21.889 19.661   17.187 ~ 2 0
243 [OJV2009] J181842.53-134715.72 * 18 18 42.54 -13 47 15.6         18.072 ~ 1 0
244 Cl* NGC 6611 GMD 1140 Y*O 18 18 42.5602446696 -13 48 09.174344256 21.724 21.576 19.675   17.164 ~ 4 0
245 CXOU J181842.6-134743 Y*O 18 18 42.6034644840 -13 47 43.980643752         17.549 ~ 2 0
246 [OJV2009] J181842.61-134750.33 * 18 18 42.6140774544 -13 47 50.334750204         18.009 ~ 1 0
247 [OJV2009] J181842.65-134748.01 * 18 18 42.65 -13 47 48.0         20.968 ~ 1 0
248 [OJV2009] J181842.66-134745.56 * 18 18 42.66 -13 47 45.6         22.335 ~ 1 0
249 CXOU J181842.6-134802 Y*O 18 18 42.6772008048 -13 48 01.919621988         19.290 ~ 2 0
250 CXOU J181842.7-134753 Y*O 18 18 42.69 -13 47 53.4         20.321 ~ 2 0
251 [OJV2009] J181842.70-134737.26 * 18 18 42.70 -13 47 37.3         21.527 ~ 1 0
252 Cl* NGC 6611 GMD 959 Y*O 18 18 42.7059145452 -13 47 30.227047316   20.153 18.134   15.754 ~ 6 0
253 [OJV2009] J181842.73-134701.11 * 18 18 42.730 -13 47 01.11         19.086 ~ 1 0
254 [OJV2009] J181842.78-134701.52 * 18 18 42.780 -13 47 01.52         23.462 ~ 1 0
255 Cl* NGC 6611 GMD 960 Em* 18 18 42.8262714796 -13 47 27.991828053 21.888 20.380 18.361   15.894 ~ 8 0
256 [OJV2009] J181842.84-134716.03 * 18 18 42.84 -13 47 16.0         19.279 ~ 1 0
257 [OJV2009] J181842.89-134724.03 * 18 18 42.89 -13 47 24.0         21.425 ~ 1 0
258 [OJV2009] J181842.92-134710.22 * 18 18 42.92 -13 47 10.2         19.922 ~ 1 0
259 [OJV2009] J181842.94-134704.75 * 18 18 42.94 -13 47 04.8         19.777 ~ 1 0
260 [OJV2009] J181842.95-134717.89 * 18 18 42.95 -13 47 17.9         18.595 ~ 1 0
261 CXOU J181842.9-134717 Y*O 18 18 42.95 -13 47 17.7         19.124 ~ 2 0
262 [OJV2009] J181842.96-134718.28 * 18 18 42.96 -13 47 18.3         19.868 ~ 1 0
263 Cl* NGC 6611 GMD 945 Y*O 18 18 43.0545679536 -13 48 11.978423172   23.128 21.182   18.063 ~ 3 0
264 [OJV2009] J181843.06-134706.42 * 18 18 43.06 -13 47 06.4         21.623 ~ 1 0
265 [OJV2009] J181843.11-134714.23 * 18 18 43.11 -13 47 14.2         19.788 ~ 1 0
266 [OJV2009] J181843.12-134811.02 * 18 18 43.12 -13 48 11.0         21.493 ~ 1 0
267 [OJV2009] J181843.14-134716.29 * 18 18 43.14 -13 47 16.3         21.605 ~ 1 0
268 [OJV2009] J181843.17-134743.54 * 18 18 43.1798502768 -13 47 43.558275156         17.651 ~ 1 0
269 [OJV2009] J181843.19-134823.41 * 18 18 43.19 -13 48 23.4         19.409 ~ 1 0
270 [OJV2009] J181843.23-134723.99 * 18 18 43.23 -13 47 24.0         18.551 ~ 1 0
271 [OJV2009] J181843.23-134701.14 * 18 18 43.23 -13 47 01.1         20.006 ~ 1 0
272 2MASS J18184325-1347362 Y*O 18 18 43.2555765528 -13 47 36.290861520 22.360 22.171 20.328   17.630 ~ 4 0
273 [OJV2009] J181843.27-134740.40 * 18 18 43.27 -13 47 40.4         21.234 ~ 1 0
274 2MASS J18184330-1347471 Y*O 18 18 43.3089030552 -13 47 47.113992888 22.487 20.919 18.794   16.286 ~ 6 0
275 CXOU J181843.3-134703 Y*O 18 18 43.3277274336 -13 47 03.806592684         17.016 ~ 2 0
276 [OJV2009] J181843.34-134811.39 * 18 18 43.34 -13 48 11.4         20.840 ~ 1 0
277 [OJV2009] J181843.35-134721.97 * 18 18 43.35 -13 47 22.0         18.981 ~ 1 0
278 [OJV2009] J181843.37-134805.60 * 18 18 43.3667043648 -13 48 05.617910808         19.358 ~ 1 0
279 [OJV2009] J181843.40-134706.36 * 18 18 43.40 -13 47 06.4         20.182 ~ 1 0
280 [OJV2009] J181843.41-134759.05 * 18 18 43.4106857972 -13 47 59.059986605         19.459 ~ 1 0
281 [OJV2009] J181843.43-134723.23 * 18 18 43.43 -13 47 23.2         19.164 ~ 1 0
282 [OJV2009] J181843.45-134734.34 * 18 18 43.45 -13 47 34.3         24.058 ~ 1 0
283 [OJV2009] J181843.47-134754.54 * 18 18 43.47 -13 47 54.6         19.391 ~ 1 0
284 [OJV2009] J181843.47-134700.37 * 18 18 43.4746751400 -13 47 00.399245208         19.254 ~ 1 0
285 [OJV2009] J181843.57-134738.50 * 18 18 43.57 -13 47 38.5         23.164 ~ 1 0
286 [OJV2009] J181843.57-134730.93 * 18 18 43.57 -13 47 30.9         20.449 ~ 1 0
287 [OJV2009] J181843.62-134806.21 * 18 18 43.62 -13 48 06.2         21.118 ~ 1 0
288 Cl* NGC 6611 GMD 951 Y*O 18 18 43.644 -13 47 53.32 22.018 23.096 21.243   18.089 ~ 4 0
289 [OJV2009] J181843.68-134801.05 * 18 18 43.68 -13 48 01.1         21.672 ~ 1 0
290 Cl* NGC 6611 GMD 991 Y*O 18 18 43.691 -13 47 59.02   22.212 19.823   16.801 ~ 4 0
291 [OJV2009] J181843.72-134722.90 * 18 18 43.72 -13 47 22.9         25.778 ~ 1 0
292 [OJV2009] J181843.74-134810.74 * 18 18 43.7379630676 -13 48 10.807660751         19.517 ~ 1 0
293 [OJV2009] J181843.75-134802.22 * 18 18 43.75 -13 48 02.2         18.745 ~ 1 0
294 [OJV2009] J181843.76-134802.49 * 18 18 43.76 -13 48 02.5         18.237 ~ 1 0
295 [OJV2009] J181843.77-134756.43 * 18 18 43.76 -13 47 56.4         17.517 ~ 1 0
296 Cl* NGC 6611 GMD 955 Y*O 18 18 43.7680625880 -13 47 40.845471684   21.596 19.436   16.639 ~ 4 0
297 [OJV2009] J181843.77-134749.37 * 18 18 43.77 -13 47 49.4         21.788 ~ 1 0
298 [OJV2009] J181843.79-134820.10 * 18 18 43.79 -13 48 20.1         21.323 ~ 1 0
299 [OJV2009] J181843.80-134736.62 * 18 18 43.80 -13 47 36.6         21.742 ~ 1 0
300 CXOU J181843.8-134804 Em* 18 18 43.81 -13 48 04.4         18.480 ~ 4 0
301 [OJV2009] J181843.84-134759.30 * 18 18 43.84 -13 47 59.3         22.335 ~ 1 0
302 [OJV2009] J181843.85-134828.45 * 18 18 43.85 -13 48 28.5         20.529 ~ 1 0
303 [OJV2009] J181843.86-134806.30 * 18 18 43.86 -13 48 06.3         19.485 ~ 1 0
304 [OJV2009] J181843.86-134755.97 * 18 18 43.86 -13 47 56.0         19.924 ~ 1 0
305 [OJV2009] J181843.95-134815.28 * 18 18 43.95 -13 48 15.3         20.711 ~ 1 0
306 [OJV2009] J181843.97-134757.07 * 18 18 43.9720858152 -13 47 57.094175544         19.291 ~ 1 0
307 2MASS J18184398-1347264 Y*O 18 18 43.9749560976 -13 47 26.422456596         18.674 ~ 2 0
308 [OJV2009] J181844.05-134826.71 * 18 18 44.05 -13 48 26.7         20.035 ~ 1 0
309 [OJV2009] J181844.09-134815.92 * 18 18 44.09 -13 48 15.9         24.066 ~ 1 0
310 [OJV2009] J181844.16-134754.75 * 18 18 44.1537770952 -13 47 54.692627028         17.794 ~ 1 0
311 Cl* NGC 6611 GMD 433 Em* 18 18 44.2064804160 -13 48 17.500009572 21.600       16.099 ~ 8 0
312 [OJV2009] J181844.28-134816.13 * 18 18 44.28 -13 48 16.1         18.561 ~ 1 0
313 [OJV2009] J181844.28-134810.90 * 18 18 44.2841602296 -13 48 10.912979808         19.604 ~ 1 0
314 Cl* NGC 6611 GMD 1004 Y*O 18 18 44.2919125152 -13 48 23.208240708   22.069 19.729   16.839 ~ 4 0
315 [OJV2009] J181844.36-134825.46 * 18 18 44.36 -13 48 25.5         21.483 ~ 1 0
316 [OJV2009] J181844.42-134758.26 * 18 18 44.420 -13 47 58.26         19.079 ~ 1 0
317 [OJV2009] J181844.40-134758.51 * 18 18 44.4234761712 -13 47 58.271343612         19.122 ~ 1 0
318 [OJV2009] J181844.48-134825.16 * 18 18 44.48 -13 48 25.2         24.401 ~ 1 0
319 [OJV2009] J181844.54-134833.75 * 18 18 44.5485727368 -13 48 33.745257468         18.579 ~ 1 0
320 CXOU J181844.5-134757 Y*O 18 18 44.57 -13 47 57.7         18.087 ~ 2 0
321 [OJV2009] J181844.58-134817.06 * 18 18 44.5847476320 -13 48 16.991384616         18.683 ~ 1 0
322 [OJV2009] J181844.59-134818.56 * 18 18 44.59 -13 48 18.6         20.048 ~ 1 0
323 [OJV2009] J181844.63-134823.73 * 18 18 44.63 -13 48 23.7         21.343 ~ 1 0
324 [OJV2009] J181844.64-134839.31 * 18 18 44.64 -13 48 39.3         24.494 ~ 1 0
325 2MASS J18184464-1348268 Y*O 18 18 44.6473422144 -13 48 26.952265080   23.698 20.846   17.740 ~ 4 0
326 Cl* NGC 6611 GMD 412 Em* 18 18 44.6528340456 -13 48 00.512300412   21.276 19.436   17.278 ~ 4 0
327 CXOU J181844.8-134811 Y*O 18 18 44.8381199496 -13 48 11.796550606         17.184 ~ 3 0
328 Cl* NGC 6611 GMD 1073 Y*O 18 18 44.87 -13 48 15.5     22.861   18.941 ~ 3 0
329 [OJV2009] J181844.91-134813.77 * 18 18 44.91 -13 48 13.8         18.381 ~ 1 0
330 [OJV2009] J181844.96-134817.58 * 18 18 44.96 -13 48 17.6         22.281 ~ 1 0
331 [OJV2009] J181844.97-134841.69 * 18 18 44.97 -13 48 41.7         20.200 ~ 1 0
332 [OJV2009] J181845.00-134810.15 * 18 18 45.00 -13 48 10.2         20.431 ~ 1 0
333 M 16 OpC 18 18 45.1 -13 47 31           ~ 1029 1
334 [OJV2009] J181845.17-134813.26 * 18 18 45.17 -13 48 13.3         22.413 ~ 1 0
335 [OJV2009] J181845.17-134809.69 * 18 18 45.17 -13 48 09.7         20.240 ~ 1 0
336 Cl* NGC 6611 GMD 411 Em* 18 18 45.1867967304 -13 48 37.384815528   21.896 19.392   16.461 ~ 5 0
337 [OJV2009] J181845.23-134812.73 * 18 18 45.23 -13 48 12.7         18.760 ~ 1 0
338 [OJV2009] J181845.24-134836.79 * 18 18 45.240 -13 48 36.79         20.395 ~ 1 0
339 [OJV2009] J181845.30-134840.60 * 18 18 45.300 -13 48 40.60         17.972 ~ 1 0
340 [OJV2009] J181845.30-134826.51 * 18 18 45.3022119888 -13 48 26.509700772         19.087 ~ 1 0
341 Cl* NGC 6611 GMD 1127 Em* 18 18 45.3048827424 -13 48 40.016126016 21.743 20.045 17.981   15.517 ~ 8 0
342 [OJV2009] J181845.35-134814.98 * 18 18 45.35 -13 48 15.0         20.919 ~ 1 0
343 [OJV2009] J181845.51-134832.31 * 18 18 45.51 -13 48 32.3         18.318 ~ 1 0
344 CXOU J181845.5-134829 Y*O 18 18 45.51 -13 48 29.5         17.915 ~ 2 0
345 [OJV2009] J181845.56-134820.98 * 18 18 45.560 -13 48 20.98         19.773 ~ 1 0
346 [OJV2009] J181845.57-134820.90 * 18 18 45.570 -13 48 20.90         18.508 ~ 1 0
347 [OJV2009] J181845.58-134820.89 * 18 18 45.580 -13 48 20.89         19.191 ~ 1 0
348 Cl* NGC 6611 GMD 1045 Y*O 18 18 45.60 -13 48 28.0   22.030 19.968   16.805 ~ 3 0
349 [OJV2009] J181845.64-134831.83 * 18 18 45.64 -13 48 31.8         18.775 ~ 1 0
350 [OJV2009] J181845.66-134824.70 * 18 18 45.66 -13 48 24.7         21.558 ~ 1 0
351 [OJV2009] J181845.71-134811.10 * 18 18 45.71 -13 48 11.1         19.717 ~ 1 0
352 [OJV2009] J181845.71-134807.98 * 18 18 45.7124324808 -13 48 08.008347240         19.473 ~ 1 0
353 [OJV2009] J181845.72-134811.04 * 18 18 45.72 -13 48 11.0         19.007 ~ 1 0
354 [OJV2009] J181845.75-134811.00 * 18 18 45.75 -13 48 11.0         20.032 ~ 1 0
355 [OJV2009] J181845.80-134824.99 * 18 18 45.8042368872 -13 48 25.044541632         19.812 ~ 1 0
356 [OJV2009] J181845.82-134828.15 * 18 18 45.8212641600 -13 48 28.075516992         18.538 ~ 1 0
357 [OJV2009] J181846.02-134829.74 * 18 18 46.02 -13 48 29.7         20.934 ~ 1 0
358 [OJV2009] J181846.06-134826.24 * 18 18 46.06 -13 48 26.2         19.032 ~ 1 0
359 Cl* NGC 6611 GMD 1123 Y*O 18 18 46.09 -13 48 25.2 22.385 23.202 20.649   17.508 ~ 4 0
360 2MASS J18184612-1348139 * 18 18 46.1322965448 -13 48 14.060279088         18.667 ~ 1 0
361 CXOU J181846.2-134824 Y*O 18 18 46.26 -13 48 24.5         20.037 ~ 2 0

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