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Table 2

M 22 targets: instruments, positions, and photometric data.

IDa ID(M09) SOURCEb α(2000) δ(2000) Bc Vc Ic Kd b − ye m1e A V
I-12 200031 AAT, MCD,UVES 18:36:27.36  −23:51:26.1 13.177 11.672 10.000 7.893 0.999 0.173 0.998
I-27 200083 APO, UVES 18:36:30.58  −23:52:48.7 13.662 12.393 10.903 8.952 0.480  −0.001 1.017
I-36 LICK 18:36:30.07  −23:53:37.5 13.342 11.931 10.320 8.337 0.961 0.120 1.024
I-37 LICK 18:36:30.02  −23:53:50.1 13.450 12.008 10.372 8.279 0.969 0.148 1.025
I-53 200101 UVES 18:36:38.36  −23:54:01.3 14.051 12.690 11.155 9.207 0.910 0.178 1.068
I-57 AAT, APO 18:36:38.27  −23:53:13.0 13.578 11.981 10.290 8.089 1.039 0.371 1.034
I-80 88 UVES 18:36:36.06  −23:50:16.1 13.910 12.527 11.011 9.064 0.900 0.251 1.066
I-85 200080 UVES 18:36:32.82  −23:51:10.9 13.747 12.473 10.978 9.117 0.867 0.065 1.083
I-86 200068 AAT, UVES 18:36:32.13  −23:51:31.4 13.749 12.328 10.689 8.660 0.969 0.103 1.064
I-92 LICK 18:36:33.28  −23:52:32.5 13.141 11.561 9.828 7.654 1.050 0.232 1.019
II-1 LICK 18:36:23.89  −23:52:43.5 13.585 12.043 10.367 8.204 1.003 0.321 1.089
II-31 LICK 18:36:09.93  −23:52:52.6 13.436 11.927 10.234 8.124 1.015 0.210 1.026
II-96 MCD 18:36:17.24  −23:54:11.3 13.134 11.604 9.879 7.786 1.033 0.219 1.042
II-104 71 UVES 18:36:07.72  −23:50:55.4 13.764 12.336 10.696 8.658 0.959 0.124 1.083
III-3 200006 APO, MCD, UVES 18:36:17.51  −23:54:26.2 12.912 11.107 9.188 6.783 1.175 0.563 1.039
III-12 AAT, MCD 18:36:14.26  −23:54:31.1 13.236 11.540 9.723 7.401 1.106 0.452 1.024
III-14 AAT, LICK 18:36:15.10  −23:54:54.6 12.964 11.134 9.145 6.743 1.201 0.445 1.034
III-15 LICK 18:36:15.61  −23:55:01.2 13.057 11.362 9.484 7.138 1.106 0.403 1.007
III-25 200104 UVES 18:36:20.16  −23:55:53.9 13.873 12.688 11.207 9.397 0.850 0.026 1.014
III-33 61 UVES 18:36:20.13  −23:56:45.4 13.640 12.249 10.632 8.618 0.964 0.117 1.018
III-35 200076 UVES 18:36:20.51  −23:56:24.4 13.738 12.404 10.828 8.854 0.930 0.098 1.042
III-47 APO 18:36:14.80  −23:55:15.7 13.699 12.385 10.848 8.979 0.904 0.128 0.992
III-50 224 UVES 18:36:13.54  −23:54:54.5 14.699 13.493 12.066 10.319 0.819 0.115 0.981
III-52 200025 LICK, UVES 18:36:10.18  −23:54:21.8 13.238 11.526 9.732 7.459 1.081 0.549 1.016
III-96 AAT 18:36:02.20  −23:56:50.1 13.511 12.138 10.575 8.583 ... ... 0.996
IV-20 51 AAT, UVES 18:36:25.99  −23:55:58.3 13.622 12.071 10.383 8.164 1.021 0.336 1.036
IV-59 200043 UVES 18:36:32.16  −23:56:03.9 13.408 11.927 10.233 8.152 1.002 0.144 1.139
IV-68 221 UVES 18:36:32.97  −23:54:59.0 14.682 13.490 ... 10.222 0.833 0.041 1.065
IV-76 AAT 18:36:35.41  −23:54:39.9 13.709 12.299 10.790 8.852 0.916 0.289 1.066
IV-88 AAT 18:36:44.97  −23:54:57.3 13.718 12.228 10.608 8.500 ... ... 1.065
IV-97 200083 UVES 18:36:41.06  −23:58:18.9 12.799 11.043 9.065 6.759 ... ... 1.102
IV-102 AAT, LICK, MCD 18:36:36.19  −23:59:38.9 12.881 11.051 9.111 6.769 ... ... 0.986
V-2 LICK 18:36:28.02  −23:55:01.6 13.260 11.498 9.674 7.276 1.160 0.494 1.036
C MCD 18:36:10.21  −23:48:44.0 13.309 11.309 9.253 6.737 ... ... 0.989
C513 APO 18:35:50.02  −23:57:40.6 13.052 11.356 9.567 7.359 ... ... 1.072

Notes. 

(a)

When available, we used the identification scheme of Arp & Melbourne (1959) or its extension by Lloyd-Evans (1975), with Roman numerals I–IV for the quadrants and V for the center. If no other name is available, we used identifications from Cudworth (1986), preceded by C. These names are entered into the SIMBAD database (http://simbad.u-strasbg.fr/simbad/) as “NGC 6656 abbb”, where “a” is the roman numeral and “bbb” is the number; for example, star IV-97 can be found as NGC 6656 4097 in SIMBAD.

(b)

See text for definitions.

(c)

Stetson photmetric database.

(d)

2MASS database.

(e)

Richter et al. (1999).

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