2011A&A...535A..39M

Query : 2011A&A...535A..39M

2011A&A...535A..39M - Astronomy and Astrophysics, volume 535A39-39 (2011/11-1)

VLT multi-epoch radial velocity survey toward NGC 6253. Analysis of three transiting planetary candidates.

MONTALTO M., VILLANOVA S., KOPPENHOEFER J., PIOTTO G., DESIDERA S., DE MARCHI F., PORETTI E., BEDIN L.R. and SAVIANE I.

Abstract (from CDS):

One of the most metal-rich open cluster of the Galaxy, NGC6253 is a target of special interest in the search for extrasolar planets, the study of stellar populations, and the chemical/dynamical evolution of the Galactic disk. We present the results of two photometric campaigns and a VLT multi-epoch radial velocity survey toward the open cluster NGC 6253. We complement our analysis with photometric, proper motion, and radial velocity data available from previous studies of this cluster, and analyze three planetary candidates found in the field of NGC6253. We derived homogeneous radial velocity measurements for stars located at the turn-off, sub-giant, red-giant branch, red-clump, and blue straggler regions of the cluster. We also analyzed a comparison sample of surrounding field stars. Spectra were obtained with the UVES and GIRAFFE spectrographs at the VLT during three epochs in August 2008. The three UVES measurements acquired for our brightest transiting candidate (V=15.26) are all consistent within their errors (200m/s), but were acquired at very similar orbital phases. The mean radial velocity of this object is not consistent with the cluster recession velocity, which rules out cluster membership except in the case of a binary system. This star is worth further analysis with high-precision spectroscopy. For our faintest candidate (V=18.247), we were able to exclude the observed transits being caused by a close-by stellar companion, but more precise measurements will be needed to derive an orbital fit and to study other possible scenarios. For the remaining candidate, no measurements were acquired probably because of bad fiber positioning. The mean radial velocity of the cluster is (<RVcl>±<σcl>)=(-29.11±0.85)km/s. Using both radial velocities and proper motions, we identified 35 cluster members. Our results are in good agreement with past radial velocity and photometric measurements. Furthermore, using our photometry, astrometry, and spectroscopy we identified a new eclipsing binary system member of the cluster. We discussed the possibility of detecting substellar companions (brown dwarfs and planets) with the radial velocity technique (both with UVES/GIRAFFE and HARPS) around turn-off stars of old open cluster. We isolated 5 stars that are optimal targets for searching for planetary mass companions with HARPS. Our optimized strategy minimizes the observing time requested to isolate and followup on the best planetary candidates in cluster with high-precision spectrographs, an important aspect given the faint target stars.

Abstract Copyright: ∼

Journal keyword(s): planetary systems - techniques: radial velocities - open cluster and associations: individual: NGC6253

VizieR on-line data: <Available at CDS (J/A+A/535/A39): table9.dat table10.dat table11.dat>

Nomenclature: Tables 9-10: [DPM2010] NNNNN-N N=139.

Simbad objects: 142

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Number of rows : 142
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 Cl Melotte 25 OpC 04 30 27.4 +16 46 43           ~ 3309 0
2 NGC 2682 OpC 08 51 23.5 +11 48 54           ~ 2528 0
3 [DPM2010] 04180-4 RR* 16 57 18.4125767856 -52 47 47.852664288   15.824 15.283 15.053 14.741 ~ 9 0
4 2MASS J16573916-5238004 * 16 57 39.1610636808 -52 38 00.462595596   12.781 11.750 11.143 10.575 ~ 3 0
5 GES J16574026-5253456 * 16 57 40.2709529736 -52 53 45.467470608   14.952 14.252 13.864 13.460 ~ 3 0
6 2MASS J16574304-5252320 * 16 57 43.0481796072 -52 52 32.047019760   13.764 13.156 12.833 12.483 ~ 3 0
7 2MASS J16574608-5236263 * 16 57 46.0805358888 -52 36 26.301823416   14.624 13.367 12.633 11.972 ~ 3 0
8 2MASS J16574781-5238179 * 16 57 47.8161888720 -52 38 17.974005432   14.385 13.735 13.320 12.915 ~ 3 0
9 2MASS J16574822-5252321 * 16 57 48.2252249496 -52 52 32.172671676   14.390 13.665 13.247 12.831 ~ 3 0
10 2MASS J16574962-5255242 * 16 57 49.6184758680 -52 55 24.286354608   13.387 12.785 12.440 12.095 ~ 3 0
11 TYC 8726-348-1 * 16 57 50.7979682832 -52 42 22.722267348   11.439 11.120   10.726 ~ 5 0
12 [TGB2011] J165752.1339-524042.640 * 16 57 52.1345597232 -52 40 42.618028296     12.8 11.979   ~ 5 0
13 2MASS J16575422-5236382 * 16 57 54.2289589896 -52 36 38.250833904   14.288 13.680 13.328 12.956 ~ 3 0
14 [TGB2011] J165754.5829-524234.047 * 16 57 54.5810959344 -52 42 34.047787860   13.902 13.220 12.859 12.455 ~ 4 0
15 [TGB2011] J165755.8311-523944.275 * 16 57 55.8221414568 -52 39 44.239832064   14.686 14.312 14.142 13.855 ~ 4 0
16 TYC 8726-840-1 Pe* 16 57 58.9834241064 -52 39 17.813570472   12.40 12.24 11.857   ~ 4 0
17 2MASS J16575934-5235313 * 16 57 59.3402475240 -52 35 31.358727240   14.933 14.423 14.168 13.871 ~ 3 0
18 GES J16575976-5255476 * 16 57 59.7710962819 -52 55 47.762384271     12.129 11.092   ~ 2 0
19 2MASS J16580108-5256324 * 16 58 01.0873911768 -52 56 32.360323128   14.614 13.191 12.383 11.627 ~ 3 0
20 [DPM2010] 08420-6 dS* 16 58 01.099 -52 53 35.27   15.079 14.657 14.413 14.074 ~ 2 0
21 [TGB2011] J165801.8770-525053.746 * 16 58 01.8750100992 -52 50 53.803126752   13.225 12.123 11.515 10.938 ~ 4 0
22 2MASS J16580276-5235343 * 16 58 02.7671699712 -52 35 34.450403028   14.941 14.195 13.772 13.347 ~ 3 0
23 2MASS J16580302-5236470 * 16 58 03.0488988538 -52 36 46.848349523   14.847 13.573 12.803 12.146 ~ 3 0
24 GES J16580438-5253208 EB* 16 58 04.3859055936 -52 53 20.845989096   15.729 14.919 14.447 13.955 ~ 4 0
25 [TGB2011] J165807.2973-524139.023 EB* 16 58 07.2954281424 -52 41 39.090167628   14.404 13.821 13.515 13.151 ~ 5 0
26 [TGB2011] J165809.4646-524146.542 * 16 58 09.4605712008 -52 41 46.532053536   13.405 12.589 12.136 11.694 ~ 7 0
27 [TGB2011] J165810.3318-524715.911 * 16 58 10.3315225584 -52 47 15.873541008   13.549 12.385 11.709 11.085 ~ 6 0
28 2MASS J16581038-5256377 * 16 58 10.3824235752 -52 56 37.809322332   14.724 14.080 13.712 13.324 ~ 3 0
29 2MASS J16581066-5251551 * 16 58 10.6645438752 -52 51 54.964450152   13.397 12.806 12.497 12.172 ~ 3 0
30 [DPM2010] 26448-3 * 16 58 10.8290 -52 49 11.831   14.721 14.039 13.654 13.253 ~ 3 0
31 2MASS J16581175-5252585 * 16 58 11.7532515120 -52 52 58.474708572   14.972 14.315 13.950 13.556 ~ 3 0
32 [TGB2011] J165811.9374-524150.778 * 16 58 11.9351497320 -52 41 50.760764052   14.736 13.260 12.360 11.580 ~ 4 0
33 [TGB2011] J165814.7741-524639.569 * 16 58 14.7738227568 -52 46 39.522100116   14.403 13.164 12.429 11.761 ~ 4 0
34 [TGB2011] J165815.1326-524202.356 * 16 58 15.1305275616 -52 42 02.361263904   14.761 13.250 12.295 11.436 ~ 4 0
35 [TGB2011] J165815.8276-523904.738 * 16 58 15.8159395416 -52 39 04.632789096   14.973 13.782 13.076 12.465 ~ 6 0
36 [DHM99] LA2402 V* 16 58 16.2766112520 -52 39 08.410228056   13.818 12.963 12.400 11.906 ~ 5 0
37 2MASS J16581686-5256171 * 16 58 16.8696129408 -52 56 17.055878892   13.810 12.485 11.747 11.082 ~ 4 0
38 [TGB2011] J165818.7162-523856.237 * 16 58 18.7131086640 -52 38 56.196086316   12.348 11.671 11.258 10.870 ~ 4 0
39 [MPD2009] 67945 * 16 58 20.5743034392 -52 35 11.166173556   14.092 13.265 12.794 12.362 ~ 2 0
40 [TGB2011] J165825.9491-524448.012 * 16 58 25.9361910840 -52 44 47.934406500   14.623 13.263 12.453 11.702 ~ 4 0
41 GES J16582804-5251345 * 16 58 28.0261924464 -52 51 34.859719836   14.398 13.632 13.188 12.774 ~ 3 0
42 [TGB2011] J165829.3625-524720.035 * 16 58 29.3584785528 -52 47 20.027991732   14.799 13.271 12.340 11.506 ~ 4 0
43 2MASS J16582971-5239411 LP* 16 58 29.7169064544 -52 39 41.290972920   16.894 15.796 15.138 14.479 ~ 4 0
44 [TGB2011] J165830.3783-524713.682 * 16 58 30.3790276440 -52 47 13.628985072   13.527 12.902 12.544 12.168 ~ 4 0
45 [TGB2011] J165836.3003-524032.585 BS* 16 58 36.2960769528 -52 40 32.535221808   14.569 13.955 13.641 13.207 ~ 5 0
46 2MASS J16583696-5247374 EB* 16 58 36.9642409824 -52 47 37.457549088   17.196 16.343 15.854 15.446 ~ 5 0
47 2MASS J16584056-5257007 * 16 58 40.5640518312 -52 57 00.745812396   14.961 14.014 13.398 12.871 ~ 3 0
48 2MASS J16584076-5255495 * 16 58 40.7625967152 -52 55 49.561227552   12.917 12.211 11.767 11.310 ~ 3 0
49 2MASS J16584084-5253326 * 16 58 40.8421370784 -52 53 32.589112704   14.607 13.898 13.445 13.006 ~ 3 0
50 [TGB2011] J165842.5987-524029.084 * 16 58 42.5954701872 -52 40 29.027820468   15.527 14.730 14.307 13.799 ~ 15 0
51 2MASS J16584437-5254312 * 16 58 44.3708873616 -52 54 31.207946328   14.883 14.209 13.796 13.392 ~ 3 0
52 2MASS J16584537-5253526 * 16 58 45.3741502368 -52 53 52.641802608   12.464 12.179 11.998 11.751 ~ 4 0
53 [MPD2009] 45396 BS* 16 58 45.4283692536 -52 34 30.138185424   14.070 13.289 12.908 12.425 ~ 6 0
54 2MASS J16584564-5239222 LP* 16 58 45.6468394800 -52 39 22.182879492   16.922 15.708 15.014 14.257 ~ 5 0
55 2MASS J16584958-5233266 EB* 16 58 49.5811406304 -52 33 26.569989216   17.476 16.732 16.338 15.818 ~ 4 0
56 2MASS J16584960-5256090 * 16 58 49.5999230520 -52 56 09.121557732   13.516 12.811 12.371 11.960 ~ 3 0
57 2MASS J16584962-5240351 EB* 16 58 49.6445970635 -52 40 35.061334515   17.317 16.397 15.898 15.294 ~ 4 0
58 2MASS J16585012-5234340 BS* 16 58 50.1233261016 -52 34 34.027767444   13.720 13.003 12.641 12.186 ~ 4 0
59 [TGB2011] J165850.7356-524019.959 * 16 58 50.7305700672 -52 40 19.911939240   15.493 14.689 14.272 13.748 ~ 13 0
60 [TGB2011] J165851.9649-524250.185 * 16 58 51.9505838640 -52 42 50.092793244   15.481 14.668 14.237 13.712 ~ 14 0
61 [TGB2011] J165852.6057-524343.310 * 16 58 52.5980961168 -52 43 43.302922896   15.489 14.674 14.245 13.717 ~ 12 0
62 2MASS J16585301-5241250 EB* 16 58 53.0127962064 -52 41 24.992762280   17.403 16.244 15.592 14.881 ~ 4 0
63 Cl* NGC 6253 EIS 23501 * 16 58 53.2523864664 -52 42 43.534699020   15.094 14.275 13.842 13.322 ~ 18 0
64 2MASS J16585332-5256559 * 16 58 53.3252510928 -52 56 55.981418388   13.978 13.415 13.046 12.683 ~ 3 0
65 [TGB2011] J165853.3353-524154.093 RG* 16 58 53.3309943528 -52 41 54.080648052   13.918 12.629 11.908 11.211 ~ 24 0
66 GES J16585380-5257355 * 16 58 53.8025876040 -52 57 35.593099236   13.706 13.211 12.894 12.574 ~ 3 0
67 [TGB2011] J165857.2880-524209.043 * 16 58 57.2925273141 -52 42 08.835498633   15.210 14.408 13.975 13.453 ~ 9 0
68 [TGB2011] J165857.9773-524421.671 RB? 16 58 57.9735473640 -52 44 21.620960556   15.996 14.986 14.434 13.832 ~ 14 0
69 [TGB2011] J165900.4436-524508.169 SB* 16 59 00.4363821240 -52 45 08.046359892   15.683 14.850 14.406 13.874 ~ 14 0
70 [DHM99] LA1697 BS* 16 59 00.9246410184 -52 42 51.491678688   14.158 13.516 13.221 12.771 ~ 9 0
71 GES J16590173-5252399 * 16 59 01.7337984819 -52 52 40.098521395     12.086 11.024   ~ 2 0
72 [TGB2011] J165902.0244-524243.299 RB? 16 59 02.0103148344 -52 42 43.302329460   15.950 14.940 14.378 13.781 ~ 12 0
73 Cl* NGC 6253 BTT 1704 * 16 59 02.1596303532 -52 43 21.006104317   15.851 14.885 14.342 13.769 ~ 13 0
74 [TGB2011] J165902.6118-524420.084 RS* 16 59 02.6101657248 -52 44 20.050213776   15.924 15.081 14.613 14.057 ~ 14 0
75 Cl* NGC 6253 BTT 2508 RB? 16 59 03.8448951864 -52 42 25.297485084   13.907 12.666 11.980 11.292 ~ 12 0
76 [TGB2011] J165904.3124-524156.298 * 16 59 04.3085620272 -52 41 56.334657228   15.485 14.579 14.089 13.536 ~ 13 0
77 [TGB2011] J165904.6034-524508.587 * 16 59 04.5980027400 -52 45 08.558035884   15.395 14.579 14.148 13.624 ~ 14 0
78 2MASS J16590496-5236349 LP* 16 59 04.9567095864 -52 36 34.979057928   16.763 15.863 15.370 14.799 ~ 3 0
79 [TGB2011] J165905.0282-524237.260 BS* 16 59 05.0581853972 -52 42 37.170968963   13.118 12.663 12.473 12.152 ~ 12 0
80 [TGB2011] J165905.1447-524411.347 SB? 16 59 05.1409352760 -52 44 11.353550460   15.553 14.767 14.355 13.835 ~ 12 0
81 [TGB2011] J165906.1059-523955.921 RG* 16 59 06.1033521072 -52 39 55.834479540   13.981 12.713 12.000 11.317 ~ 24 0
82 [TGB2011] J165906.2488-524200.841 EB* 16 59 06.2485783272 -52 42 00.893723436   15.407 14.603 14.182 13.661 ~ 12 0
83 NGC 6253 OpC 16 59 06.4 -52 42 39     10.2     ~ 209 0
84 [TGB2011] J165906.6455-524325.999 BS* 16 59 06.6476692512 -52 43 26.071975020   14.139 13.588 13.336 12.934 ~ 7 0
85 [TGB2011] J165907.0216-524222.696 RG* 16 59 07.0414870464 -52 42 22.165909380   14.444 13.175 12.468 11.772 ~ 10 0
86 [TGB2011] J165907.7225-524419.569 * 16 59 07.7421766416 -52 44 19.357823364   15.389 14.566 14.126 13.602 ~ 11 0
87 [TGB2011] J165908.3345-524233.929 BS* 16 59 08.3266894656 -52 42 33.924648852   14.732 14.230 14.015 13.653 ~ 11 0
88 [TGB2011] J165908.7117-524207.656 BS* 16 59 08.7034456488 -52 42 07.653397464   14.204 13.575 13.276 12.837 ~ 13 0
89 [TGB2011] J165908.7605-524010.441 * 16 59 08.7555167184 -52 40 10.501131360   15.533 14.634 14.154 13.604 ~ 13 0
90 [MPD2009] 23333 * 16 59 09.062 -52 48 51.71   19.296 18.247 17.634 16.972 ~ 2 0
91 [DPM2010] 29788-2 RG* 16 59 09.9225576178 -52 43 40.736502905     14.301 13.419   ~ 4 0
92 Cl* NGC 6253 TAD 333 * 16 59 11.5258353096 -52 43 32.514408588   15.794 14.939 14.475 13.945 ~ 7 0
93 2MASS J16591174-5257139 * 16 59 11.7373953912 -52 57 14.051866860   14.507 13.138 12.282 11.521 ~ 3 0
94 GES J16591198-5253151 * 16 59 11.9792377741 -52 53 15.279496669     11.520 10.496   ~ 2 0
95 GES J16591273-5252566 * 16 59 12.7315480420 -52 52 56.768079058     12.725 11.939   ~ 4 0
96 [TGB2011] J165912.9183-524136.015 RG* 16 59 12.9241216176 -52 41 35.903146848   14.645 13.501 12.852 12.193 ~ 20 0
97 [TGB2011] J165913.2947-524122.222 RB? 16 59 13.2973 -52 41 22.215     14.7 14.414   ~ 3 0
98 [TGB2011] J165914.9578-524056.688 * 16 59 14.9542274832 -52 40 56.674240968   15.395 14.596 14.174 13.658 ~ 13 0
99 [TGB2011] J165915.9518-524226.200 RB? 16 59 15.9498335592 -52 42 26.171012628   13.923 12.664 11.977 11.275 ~ 21 0
100 [TGB2011] J165916.6156-524018.256 RB? 16 59 16.6113830208 -52 40 18.205943952   15.623 14.581 14.013 13.407 ~ 7 0
101 Cl* NGC 6253 BTT 4910 RG* 16 59 16.9279660632 -52 38 01.999804380   16.061 14.913 14.268 13.585 ~ 4 0
102 2MASS J16591716-5242437 RG* 16 59 17.1654961320 -52 42 43.796173932   15.902 14.775 14.344 13.838 ~ 17 0
103 [TGB2011] J165917.8014-524422.425 BS* 16 59 17.7928398720 -52 44 22.407104976   14.402 13.780 13.460 13.026 ~ 13 0
104 [TGB2011] J165918.5372-524004.946 * 16 59 18.5301558696 -52 40 04.869092100   15.357 14.526 14.089 13.568 ~ 11 0
105 [TGB2011] J165919.2036-524313.774 RG* 16 59 19.1899333648 -52 43 13.668090615   15.280 14.093 13.430 12.751 ~ 5 0
106 [TGB2011] J165919.2665-524358.607 BS* 16 59 19.2576418752 -52 43 58.575609876   13.790 13.247 12.984 12.582 ~ 4 0
107 [MPD2009] 45433 BS* 16 59 21.3824855280 -52 36 23.812020360   13.413 13.038 12.929   ~ 3 0
108 [TGB2011] J165921.5927-524333.800 BS* 16 59 21.5874495264 -52 43 33.774612888   12.640 12.148 11.890 11.522 ~ 15 0
109 [TGB2011] J165926.0459-524936.803 * 16 59 26.0389476720 -52 49 36.783821892   14.673 14.072 13.689 13.310 ~ 4 0
110 GES J16593343-5256140 * 16 59 33.4404608412 -52 56 14.141035761     12.712 11.677   ~ 2 0
111 Cl* NGC 6253 TAD 61 * 16 59 33.6366672360 -52 40 10.040649924   13.990 12.854 12.206 11.607 ~ 5 0
112 2MASS J16593421-5237055 LP* 16 59 34.2044334120 -52 37 05.496819456   16.896 16.040 15.549 15.040 ~ 8 0
113 2MASS J16593508-5246246 * 16 59 35.0897820984 -52 46 24.658413744   13.787 12.745 12.198 11.635 ~ 3 0
114 2MASS J16593522-5250123 LP* 16 59 35.2312684104 -52 50 12.319352808   16.490 15.205 14.465 13.682 ~ 5 0
115 GES J16593713-5256127 * 16 59 37.1516475456 -52 56 12.835722552   14.616 13.518 12.847 12.184 ~ 3 0
116 2MASS J16593760-5248428 * 16 59 37.6036797936 -52 48 42.848363304   13.888 13.132 12.744 12.287 ~ 3 0
117 2MASS J16593860-5251345 * 16 59 38.6085576072 -52 51 34.543877040   12.354 11.736   10.980 ~ 3 0
118 2MASS J16593987-5249045 * 16 59 39.8709193680 -52 49 04.530677304   14.313 12.991 12.240 11.541 ~ 5 0
119 2MASS J16593992-5237274 * 16 59 39.9176734176 -52 37 27.457397112   14.610 13.709 13.210 12.708 ~ 3 0
120 2MASS J16594225-5254026 * 16 59 42.2555855496 -52 54 02.633861124   14.659 13.354 12.550 11.830 ~ 4 0
121 2MASS J16594424-5241246 * 16 59 44.2438288464 -52 41 24.601846236   14.345 13.062 12.349 11.676 ~ 4 0
122 2MASS J16594426-5247166 * 16 59 44.2632524832 -52 47 16.625677920   13.856 13.215 12.907 12.534 ~ 3 0
123 2MASS J16594555-5250288 * 16 59 45.5490096840 -52 50 29.048107760     11.932 10.995   ~ 3 0
124 GES J16594613-5251512 * 16 59 46.1489438064 -52 51 51.422053032   14.745 14.031 13.604 13.147 ~ 3 0
125 2MASS J16594639-5247397 * 16 59 46.3898615736 -52 47 39.766544628   14.771 13.379 12.581 11.839 ~ 3 0
126 [DPM2010] 13461-1 Ro* 16 59 51.0807088896 -52 36 22.333689216   16.250 15.459 15.034 14.573 ~ 4 0
127 2MASS J16595146-5253456 EB* 16 59 51.4578100152 -52 53 45.662875656   16.105 15.260 14.738 14.213 ~ 3 0
128 Cl* NGC 6253 TAD 54 * 16 59 51.8542713912 -52 43 09.519351096   13.129 12.717 12.538 12.279 ~ 5 0
129 Cl* NGC 6253 TAD 24 * 16 59 57.5193199913 -52 41 51.274584470   13.21 11.375 10.324   ~ 4 0
130 GES J16595759-5253272 * 16 59 57.6024776654 -52 53 27.213013352     13.757 13.303   ~ 2 0
131 2MASS J16595762-5252517 * 16 59 57.6206585736 -52 52 51.827756304   13.957 13.359 13.007 12.621 ~ 3 0
132 2MASS J16595871-5255563 * 16 59 58.7167134912 -52 55 56.320311936   14.600 13.282 12.488 11.777 ~ 3 0
133 2MASS J17000087-5243200 * 17 00 00.8667346848 -52 43 20.080461360   14.463 13.093 12.332 11.606 ~ 3 0
134 GES J17000095-5248293 * 17 00 00.9588010416 -52 48 29.237511672   14.311 13.674 13.373 12.990 ~ 3 0
135 TYC 8726-1142-1 * 17 00 01.8614313408 -52 40 08.094731160   13.03 11.25 11.097   ~ 2 0
136 2MASS J17000457-5252153 * 17 00 04.5750291216 -52 52 15.453541776   14.671 13.950 13.526 13.086 ~ 3 0
137 2MASS J17000558-5252509 * 17 00 05.5802968584 -52 52 50.979371304   14.753 14.114 13.750 13.338 ~ 3 0
138 2MASS J17000579-5255064 * 17 00 05.7933730824 -52 55 06.542154408   14.693 13.354 12.406 11.622 ~ 3 0
139 [DPM2010] 08864-1 Ro* 17 00 06.8320920478 -52 40 46.009813448   16.942 16.056 15.540 14.993 ~ 4 0
140 2MASS J17001181-5241387 Pe* 17 00 11.8020258997 -52 41 38.836848222     11.634     ~ 3 0
141 GES J17001712-5240153 * 17 00 17.1059023200 -52 40 15.351036708   14.711 13.874 13.412 12.938 ~ 3 0
142 2MASS J17001922-5243364 LP* 17 00 19.2228743160 -52 43 36.437192796   16.602 15.633 14.989 14.431 ~ 4 0

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