2021A&A...646A..46G

Query : 2021A&A...646A..46G

2021A&A...646A..46G - Astronomy and Astrophysics, volume 646A, 46-46 (2021/2-1)

Chamaeleon DANCe. Revisiting the stellar populations of Chamaeleon I and Chamaeleon II with Gaia-DR2 data.

GALLI P.A.B., BOUY H., OLIVARES J., MIRET-ROIG N., SARRO L.M., BARRADO D., BERIHUETE A., BERTIN E. and CUILLANDRE J.-C.

Abstract (from CDS):


Context. Chamaeleon is the southernmost low-mass star-forming complex within 200 pc from the Sun. Its stellar population has been extensively studied in the past, but the current census of the stellar content is not complete yet and deserves further investigation.
Aims. We take advantage of the second data release of the Gaia space mission to expand the census of stars in Chamaeleon and to revisit the properties of the stellar populations associated to the Chamaeleon I (Cha I) and Chamaeleon II (Cha II) dark clouds.
Methods. We perform a membership analysis of the sources in the Gaia catalogue over a field of 100deg2 encompassing the Chamaeleon clouds, and use this new census of cluster members to investigate the 6D structure of the complex.
Results. We identify 188 and 41 high-probability members of the stellar populations in Cha I and Cha II, respectively, including 19 and 7 new members. Our sample covers the magnitude range from G=6 to G=20mag in Cha I, and from G=12 to G=18mag in Cha II. We confirm that the northern and southern subgroups of Cha I are located at different distances (191.4–0.8+0.8pc and 186.7–1.0+1.0pc), but they exhibit the same space motion within the reported uncertainties. Cha II is located at a distance of 197.5–0.9+1.0pc and exhibits a space motion that is consistent with Cha I within the admittedly large uncertainties on the spatial velocities of the stars that come from radial velocity data. The median age of the stars derived from the Hertzsprung-Russell diagram and stellar models is about 1-2Myr, suggesting that they are somewhat younger than previously thought. We do not detect significant age differences between the Chamaeleon subgroups, but we show that Cha II exhibits a higher fraction of disc-bearing stars compared to Cha I.
Conclusions. This study provides the most complete sample of cluster members associated to the Chamaeleon clouds that can be produced with Gaia data alone. We use this new census of stars to revisit the 6D structure of this region with unprecedented precision.

Abstract Copyright: © P. A. B. Galli et al. 2021

Journal keyword(s): open clusters and associations: individual: Chamaeleon - stars: formation - stars: distances - methods: statistical - parallaxes - proper motions

VizieR on-line data: <Available at CDS (J/A+A/646/A46): tablea1.dat-tablea7.dat>

Simbad objects: 243

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Number of rows : 243
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 LMC G 05 23 34.6 -69 45 22     0.4     ~ 17438 0
2 NAME eta Cha Association OpC 08 42 32.9 -78 57 47           ~ 363 0
3 2MASS J10533978-7712338 TT* 10 53 39.7627565760 -77 12 33.939774612     19.38   15.56 M2.75 21 0
4 2MASS J10550964-7730540 Y*O 10 55 09.6482028240 -77 30 54.209083932     17.49     M4.5-5 13 0
5 V* SX Cha B Y*O 10 55 59.1604276944 -77 24 39.464557920           M3 11 0
6 V* SX Cha A Y*O 10 55 59.8005615312 -77 24 40.161340476           M1.5 11 0
7 2MASS J10561638-7630530 Y*O 10 56 16.3768137936 -76 30 53.122626108         14.92 M5.6 22 0
8 V* SY Cha Or* 10 56 30.3883129248 -77 11 39.401977596         11.29 K5Ve 131 0
9 UCAC2 543262 * 10 57 53.7733787904 -77 24 49.722619284       16.07 13.44 M4Ve 9 0
10 2MASS J10580597-7711501 Y*O 10 58 05.9730159264 -77 11 50.171141904         15.89 M5.25 20 0
11 V* SZ Cha Or* 10 58 16.7500775160 -77 17 17.185749900     12.68   10.62 K0e 124 0
12 2MASS J10581804-7717197 * 10 58 18.0505176264 -77 17 19.970192688           M6 2 0
13 UCAC4 071-013390 * 10 58 54.8306328430 -75 58 19.568035890   17.647 15.963 15.707   ~ 1 0
14 V* TW Cha Or* 10 59 01.0607352312 -77 22 40.947126636     13.40   11.68 K8Ve 135 0
15 Hen 3-545 Or* 10 59 06.9715593000 -77 01 40.309233240   12.91 11.136   9.596 K4Ve 216 0
16 Ass Cha T 1-6 Y*O 11 00 40.2418846200 -76 19 28.006915296   14.7     13.64 M4e 47 0
17 Gaia DR2 5225597893420402176 * 11 00 47.0879991643 -75 40 36.463938932           ~ 1 0
18 2MASS J11004928-7540414 * 11 00 49.2742680715 -75 40 41.455159886           ~ 1 0
19 2MASS J11011370-7722387 Y*O 11 01 13.6929049992 -77 22 38.785233576         15.21 M5.25 6 0
20 ** LUH 1A LM* 11 01 19.1986013079 -77 32 38.759275509           M7 3 0
21 ** LUH 1B LM* 11 01 19.4220155754 -77 32 37.514300781           M8 2 0
22 ESO-HA 554 LM* 11 01 32.0371795464 -77 18 25.073955180         17.79 M8-8.5 15 0
23 2MASS J11021927-7536576 Y*O 11 02 19.2652050552 -75 36 57.644308692         14.09 M4.5 10 0
24 2MASS J11022610-7502407 Y*O 11 02 26.1004194936 -75 02 40.760096208         13.67 M4.75 8 0
25 Hn 1 Y*O 11 02 32.6050296696 -77 29 13.031436624         13.10 M3+M5 48 0
26 [LES2004] ChaI 423 LM* 11 02 41.8176711864 -77 24 24.573985740         15.29 M5 8 0
27 Ass Cha T 1-8 TT* 11 02 55.0255671144 -77 21 50.814186624     16.25 15.17 13.40 M4.5e 63 0
28 Gaia DR2 5225732304417084672 * 11 03 02.8177639968 -75 00 30.174401676           ~ 1 0
29 ISO-ChaI 28 Y*O 11 03 41.8505636736 -77 26 52.113622920           M5.5e 18 0
30 V* GR Cha Or* 11 03 47.6427402312 -77 19 56.417579004         13.91 M5e 25 0
31 GES J11035144-7540335 Y*? 11 03 51.4407943032 -75 40 33.484410516           ~ 7 0
32 Gaia DR2 5225395888218060672 * 11 03 51.6027505339 -76 01 32.441263303           ~ 1 0
33 Hn 3 Y*O 11 03 56.8213107528 -77 21 32.974510752   17.05 15.44 15.03 12.57 M4IIIe 34 0
34 CHSM 1715 Y*O 11 04 04.2481004976 -76 39 32.945559912     19.84     M4.5e 26 0
35 V* CT Cha Or* 11 04 09.0989256840 -76 27 19.329779664   13.44 13.00   10.89 K7Ve 130 0
36 CHSM 1982 Y*O 11 04 10.6083227760 -76 12 49.054255776           M6e 15 0
37 BYB 18 Y*O 11 04 42.5993270304 -77 41 57.167040408         13.63 M4.5e 58 0
38 CHXR 14N Y*O 11 04 51.0231828624 -76 25 24.079917972   15.98 14.13   11.89 K4Ve 27 0
39 CHXR 14S Y*O 11 04 52.8621800208 -76 25 51.534522084   16.51 14.66   12.05 K8Ve 25 0
40 Sz 13 Or* 11 04 57.0089116656 -77 15 57.049656948     18.91 16.65 14.68 M3e 48 0
41 2MASS J11052272-7709290 Y*O 11 05 22.6769855136 -77 09 28.968223356       17.61 15.38 M4.75 10 0
42 2MASS J11052472-7626209 Y*O 11 05 24.7247788752 -76 26 20.784257556         13.09 M4V 13 0
43 UCAC4 076-015563 * 11 05 51.6578575488 -74 58 39.614518200   16.52 15.03 14.48   ~ 2 0
44 V* UV Cha Or* 11 05 52.6262744184 -76 18 25.461113688   15.13 13.69 13.21 11.58 K5Ve 39 0
45 2MASS J11060010-7507252 Y*O 11 06 00.1043478024 -75 07 25.251492036         14.15 M4.5 10 0
46 [CCE98] 2-19 Y*O 11 06 15.4310474352 -77 37 50.157597792         16.40 M3e 16 0
47 2MASS J11062554-7633418 Y*O 11 06 25.5205540968 -76 33 41.844743964     20.7   15.88 M5.25-6 38 0
48 CHXR 73 Y*O 11 06 28.7641341696 -77 37 33.140151012         15.78 M3e 48 1
49 CHSM 7869 LM* 11 06 32.7605799336 -76 25 21.066840084         16.83 M6e 21 0
50 [NC98] Cha HA 12 Em* 11 06 37.9647720216 -77 43 09.113892564     20.6   15.91 M6.5e 38 0
51 ISO-ChaI 79 Y*O 11 06 39.4531299120 -77 36 05.253418332         17.83 M5e 28 0
52 Hn 5 Or* 11 06 41.7902217936 -76 35 49.067303964         13.61 M4.5e 53 0
53 Ass Cha T 2-22 Y*O 11 06 43.4642963688 -77 26 34.426398552         13.02 M3e 36 0
54 V* UX Cha Or* 11 06 45.0944158128 -77 27 02.383275420     14.78   12.07 K5Ve 63 0
55 NAME Cha 1 MoC 11 06 48 -77 18.0           ~ 1154 1
56 CHXR 74 TT* 11 06 57.3114166800 -77 42 10.639632780         13.66 M3Ve 47 0
57 V* UY Cha Or* 11 06 59.0257686696 -77 18 53.404488720         12.97 M4Ve 68 0
58 2MASS J11065939-7530559 Y*O 11 06 59.4109563336 -75 30 55.959455556         15.79 M5.25 19 0
59 2MASS J11070324-7610565 Y*O 11 07 03.2413055160 -76 10 56.653656960         16.48 M6 6 0
60 NAME ESO-HA 281B * 11 07 03.5494313904 -76 31 45.876514404           ~ 1 0
61 Hn 6 Y*O 11 07 11.4551582832 -77 46 39.344493324         13.31 M3e 40 0
62 CHSM 9484 Y*? 11 07 11.8067087880 -76 25 50.015887680         16.07 M5e 26 0
63 V* UZ Cha Or* 11 07 12.0595557432 -76 32 23.248659588         12.62 K8Ve 62 0
64 [CCE98] 1-46 Y*O 11 07 13.2923530152 -77 43 49.768078224         14.77 M3.5e 50 0
65 [NC98] Cha HA 1 Y*O 11 07 16.6710048312 -77 35 53.212777692   22.8 21.0   16.38 M7.5/8e 85 0
66 [NC98] Cha HA 9 Y*? 11 07 18.5760916584 -77 32 51.561674700     23.1   17.57 M5.5e 53 0
67 Ass Cha T 1-12 Y*O 11 07 19.1444866104 -76 03 04.864188060   17.05 15.35   12.57 M4Ve 70 0
68 Ass Cha T 2-26 B Y*O 11 07 20.1891741120 -77 38 11.565748500       15.94 14.21 M4Ve 14 0
69 ISO-ChaI 99 Y*O 11 07 20.3872893768 -77 29 40.307249292       14.91 13.00 M4Ve 18 0
70 V* DI Cha Or* 11 07 20.7276076008 -77 38 07.308086352   12.02 10.74 10.72   G2Ve 168 0
71 [KG2001] 10 Y*O 11 07 24.4170266040 -77 43 48.836350560       19.55 16.93 M5.75 10 0
72 CHXR 76 Or* 11 07 35.1774430800 -77 34 49.286652024   20.04 18.15   14.39 M4e 50 0
73 Gaia DR2 5201153172948809728 * 11 07 37.0103489117 -77 33 32.699482964           ~ 1 0
74 CHSM 10496 Em* 11 07 37.7410696536 -77 35 30.793352928   23.7 22.2   17.03 ~ 39 0
75 2MASS J11073832-7747168 Y*O 11 07 38.3094558336 -77 47 16.742658084     18.37 16.72 14.53 M4.5-5 19 0
76 2MASS J11073840-7552519 Y*O 11 07 38.3771763864 -75 52 51.817898712         14.66 M4.75 6 0
77 Ass Cha T 1-15 Or* 11 07 43.6610412264 -77 39 41.134236408   17.05 15.34   12.67 K5Ve 78 0
78 [NC98] Cha HA 8 SB* 11 07 46.0912894776 -77 40 08.918309388   22.2 20.1   15.61 ~ 43 1
79 2MASS J11074656-7615174 Y*O 11 07 46.5862114680 -76 15 17.398121508         16.84 M5.75e 30 0
80 V* HL Cha Or* 11 07 52.2574621728 -77 36 57.037742172   21.5 19.51   15.07 ~ 50 0
81 RX J1108.2-7728A * 11 07 55.7394914496 -77 27 25.504158564           ~ 2 0
82 V* HM Cha Or* 11 07 57.2800691640 -77 17 26.241455868       20.9 17.14 M0.75-M1.75 39 0
83 Ass Cha T 1-16 Or* 11 07 57.9428053584 -77 38 44.977882344   15.1 14.2   13.04 K4-7 74 0
84 Sz 23 Or* 11 07 58.0951794888 -77 42 41.352365124   15.8 18.04   14.63 M4Ve 69 0
85 ESO-HA 561 Y*O 11 07 59.8879742016 -77 15 31.752670104       17.87 15.45 M5.75-6.5 19 0
86 [LES2004] ChaI 717 LM* 11 08 02.3404943112 -76 40 34.367766528       18.21 15.46 M6 12 0
87 HD 97048 Ae* 11 08 03.3109731720 -77 39 17.490777444 9.03 8.76 9.00   8.64 A0Vep 543 0
88 V* HP Cha A * 11 08 15.4974157248 -77 33 53.446498956           K6e 85 0
89 Ass Cha T 1-19 Y*O 11 08 16.4948745984 -77 44 37.199315580   18.40 16.53   13.12 M4Ve 54 0
90 ISO-ChaI 137 Em* 11 08 17.0491254960 -77 44 11.866411824   20.4 18.51   14.34 M5.5e 31 0
91 ISO-ChaI 138 LM* 11 08 18.4691867664 -77 30 40.891618332         16.77 ~ 40 0
92 CHSM 12180 Em* 11 08 18.9694304592 -77 39 17.131209948   20.5 18.52   14.50 ~ 40 0
93 ISO-ChaI 143 Y*? 11 08 22.3647237024 -77 30 27.783619596         15.51 M5e 49 0
94 2MASS J11082404-7739299 Em* 11 08 24.0583968960 -77 39 30.056968764   22.6 21.6   17.10 ~ 33 0
95 ISO-ChaI 144 Em* 11 08 24.1193575992 -77 41 47.438803392   21.3 19.18   14.85 ~ 51 0
96 ISO-ChaI 147 Y*? 11 08 26.4697073400 -77 15 55.074237156         16.81 M5.75 28 0
97 CHSM 12653 Em* 11 08 29.2579779792 -77 39 19.777635504   21.9 19.9   17.59 ~ 33 0
98 Ass Cha T 1-20 Or* 11 08 39.0261275112 -77 16 04.163889324   18.44 16.28 15.822 13.17 K5Ve 88 0
99 V* HQ Cha Or* 11 08 39.5017287912 -77 34 16.733892756   21.7 19.75   15.06 ~ 71 0
100 HJM C 1-10 Y*O 11 08 40.6993664280 -76 36 07.845356304   17.34 15.50 14.96 12.60 K8Ve 26 0
101 Sz 28 Y*O 11 08 50.9098459272 -76 25 13.681141392   16.4     14.60 M4Ve 43 0
102 [LES2004] ChaI 737 LM* 11 08 51.7639341312 -76 32 50.333141112       20.34 18.230 M7.25 11 0
103 2MASS J11085242-7519027 V* 11 08 52.4246166720 -75 19 02.791977060           M3Ve 12 0
104 2MASS J11085326-7519374 SB* 11 08 53.2624718232 -75 19 37.422907320     12.17     M2 18 1
105 V* PU Car TT* 11 08 53.6905436304 -75 21 36.001367136   15.487 14.275 14.560   M1Ve 33 0
106 V* HR Cha Or* 11 08 54.1972860288 -77 32 11.656356468     19.1   15.01 M5.25e 40 0
107 V* VY Cha Or* 11 08 54.6059374368 -77 02 13.006464720   14.8     13.60 K8Ve 75 0
108 V* HS Cha Or* 11 08 54.9599362056 -76 32 41.148693636     20.12 18.616 16.650 M5.5e 36 0
109 2MASS J11085596-7727132 Y*O 11 08 55.9831517568 -77 27 13.335642288       19.87 17.08 M5.25 8 0
110 Hn 7 Em* 11 09 05.1044667264 -77 09 58.026125412         13.96 M5e 27 0
111 2MASS J11090915-7553477 * 11 09 09.1466650032 -75 53 47.827039200           M4Ve 9 0
112 NAME Sz 30A * 11 09 11.6365266192 -77 29 13.058965968           M2.5 3 0
113 NAME Sz 30B * 11 09 11.7636759072 -77 29 11.898805272           M2 1 0
114 NAME Sz 30C * 11 09 12.9437955504 -77 29 11.581308204           K8Ve 11 0
115 HJM C 1-15 Y*O 11 09 13.8188326128 -76 28 39.682556400         13.91 M4Ve 30 0
116 V* HU Cha A * 11 09 18.1474333224 -76 30 29.225497140           ~ 2 0
117 V* HV Cha Or* 11 09 22.6489972128 -76 34 32.164757616         16.79 M0.75-M1.75 53 0
118 V* VZ Cha Or* 11 09 23.7739008528 -76 23 20.857480836   13.82 12.94   12.14 K7e 140 0
119 [LES2004] ChaI 602 LM* 11 09 29.0817746064 -76 59 18.130084800         15.70 M5.25 8 0
120 HJM C 5-3 Y*O 11 09 37.7440602000 -77 10 41.065602960         15.44 K7 16 0
121 CHX 15b Y*O 11 09 40.0612946232 -76 28 39.236612160   15.68 14.04   11.66 K8Ve 40 0
122 V* HW Cha Or* 11 09 41.9146999920 -76 34 58.572141600           M0- 34 0
123 HJM C 7-1 Y*O 11 09 42.5612580768 -77 25 57.929074932         15.91 ~ 38 0
124 ESO-HA 566 Y*O 11 09 45.2246883744 -77 40 33.347173692     19.94 18.02 15.37 M5.75-6.5 21 0
125 HJM C 1-24 TT* 11 09 46.1881553592 -76 34 46.503994080   11.93 18.41   14.72 M3.25e 62 1
126 BYB 43 Y*O 11 09 47.3883040248 -77 26 29.187831192         16.62 M3.25e 53 0
127 [KG2001] 102 Y*O 11 09 49.1442916920 -77 31 19.751456928         15.64 M5.5 15 0
128 HD 97300 Ae* 11 09 50.0199904704 -76 36 47.718191232   9.41 9.20   8.82 B9V 176 1
129 2MASS J11095262-7740348 Y*? 11 09 52.5595099848 -77 40 34.967644824     21.47     M3e 15 0
130 ISO-ChaI 220 Y*O 11 09 53.3244652320 -77 28 36.603732468           M5.75 31 0
131 V* WX Cha B * 11 09 58.6672432248 -77 37 09.030257328           M5 4 0
132 V* WW Cha Or* 11 10 00.0802739160 -76 34 57.963853416   14.74 14.10   10.95 ~ 154 0
133 [LES2004] ChaI 419 LM* 11 10 01.8915210336 -77 25 45.256620648       20.44 17.46 M5.25 7 0
134 HJM C 1-4 Y*O 11 10 03.6830951520 -76 33 29.218685616     18.78 16.1 14.72 K8e 62 0
135 V* FN Cha Or* 11 10 04.6714603680 -76 35 45.253161564     14.68 13.89 12.39 K5Ve 59 0
136 2MASS J11100785-7727480 Y*? 11 10 07.8396430440 -77 27 48.063966876         17.79 M5.5 34 0
137 HJM C 1-8 Y*O 11 10 11.3918141448 -76 35 29.247545184         13.75 K5Ve 59 0
138 2MASS J11101153-7733521 Y*O 11 10 11.5109647056 -77 33 52.048254168       16.33 14.24 M4Ve 15 0
139 CHXX 16 LM* 11 10 22.2523149192 -76 25 13.841167332         16.58 M8.0 31 0
140 HJM C 6-2 Y*O 11 10 28.5085562328 -77 16 59.595145932     17.93   13.97 M3Ve 36 0
141 [LES2004] ChaI 405 TT* 11 10 34.7926198584 -77 22 05.249586360     20.9   15.61 M4 23 0
142 ISO-ChaI 250 LM* 11 10 36.4196358816 -77 22 13.088141364         16.52 M4.75 19 0
143 2MASS J11104006-7630547 LM* 11 10 40.0518736224 -76 30 54.776504160       20.018 18.215 M8.0 9 0
144 ISO-ChaI 252 Y*? 11 10 41.3874327240 -77 20 47.961251340     22.4 20.06 17.27 ~ 37 0
145 Ass Cha T 1-27 Or* 11 10 49.5667074984 -77 17 51.754670016   16.80 16.64   13.84 M4Ve 83 0
146 ESO-HA 568 Y*O 11 10 50.7394673592 -77 18 03.172230828     18.27 16.65 14.50 M4.5 22 0
147 V* WZ Cha Or* 11 10 53.3212598040 -76 34 32.057703048   16.41 15.48   13.07 M4Ve 72 0
148 V* IK Cha Or* 11 10 53.5796812512 -77 25 00.472704888         17.51 M4.5 34 0
149 [LES2004] ChaI 436 LM* 11 11 22.5089833368 -77 45 42.865309980           M8.25 8 0
150 HJM E 4-7 LM* 11 11 22.6240346520 -77 05 53.885035788         14.02 M4Ve 22 0
151 HJM E 1-7 Or* 11 11 34.7528117136 -76 36 21.247478892   16.35 14.73   12.35 K8Ve 35 0
152 V* XX Cha Or* 11 11 39.6728641032 -76 20 15.032221548   16.67 15.28   12.56 M3Ve 116 1
153 [LES2004] ChaI 743 Y*O 11 11 45.3114630360 -76 36 50.356723680           M8 12 0
154 CHX 18N TT* 11 11 46.3370290776 -76 20 08.948823324   13.27 11.96   10.37 K5IVe 80 1
155 2MASS J11120288-7722483 Y*O 11 12 02.8702394208 -77 22 48.317243232       18.57 16.26 M6 8 0
156 HJM E 1-10 Y*O 11 12 03.2811346896 -76 37 03.242420508         13.97 M5.5e 33 0
157 V* IM Cha Or* 11 12 03.5025776424 -77 26 00.841371900     20.08     M4.75 36 0
158 Sz 40 Or* 11 12 09.8312703024 -76 34 36.490702728   15.2     13.41 M4.5Ve 66 0
159 Sz 41 TT* 11 12 24.3973943352 -76 37 06.181395384   11.2 11.60   10.22 K7+M2.5 102 1
160 Gaia DR2 5201302294216744704 * 11 12 24.5697298213 -76 37 08.062353304           ~ 1 0
161 V* CV Cha Or* 11 12 27.7055693328 -76 44 22.302807396   12.02 10.98 10.51 9.76 G9Ve 194 1
162 V* CW Cha Or* 11 12 30.9285677040 -76 44 24.000940464   15.75 14.45 15.19 13.60 ~ 63 1
163 [LES2004] ChaI 601 LM* 11 12 30.9867590712 -76 53 34.193460948           M7 12 0
164 Gaia DR2 5225513780781112320 * 11 12 38.1518532706 -75 38 04.454752230           ~ 1 0
165 HJM E 4-3 Y*O 11 12 42.1036824000 -76 58 40.108452312   14.74 13.29 12.98   K5Ve 33 0
166 Ass Cha T 2-54 TT* 11 12 42.6709132056 -77 22 22.943489160     11.103   9.653 G8+K7 92 2
167 HJM E 1-8 TT* 11 12 42.9828272280 -76 37 04.868196276         10.95 K3Ve 34 0
168 2MASS J11124771-7737547 LM* 11 12 47.7349256568 -77 37 54.667736256           M8 2 0
169 HJM E 2-9 Y*O 11 12 48.6110100768 -76 47 06.614161764         13.66 M4e 31 0
170 HJM E 4-4 Y*O 11 13 20.1444527808 -77 01 04.444538196   16.17 14.63   12.31 M2.75 24 0
171 Hn 18 Y*O 11 13 24.4522663344 -76 29 22.868165508         13.51 M4Ve 46 0
172 Hn 19 Y*O 11 13 29.6961323352 -76 29 01.376928888         13.42 M4Ve 31 0
173 Sz 44 Or* 11 13 33.5603010096 -76 35 37.463501400   15.4     13.59 M4Ve 34 0
174 Hn 21W Y*O 11 14 24.5192431416 -77 33 06.402087756     18.20   14.24 M4e 39 0
175 Hn 21E Y*O 11 14 26.1069192168 -77 33 04.437695880     20.7   15.47 M6e 15 0
176 2MASS J11142906-7625399 Y*O 11 14 29.0610261864 -76 25 40.118842992     17.73   14.46 M4.75-5.5 11 0
177 BYB 53 Y*O 11 14 50.3197758984 -77 33 38.803504860         11.83 M2+M4 27 0
178 2MASS J11152180-7724042 Y*O 11 15 21.7744488504 -77 24 04.132555128     17.38   13.79 M4.75-5.5 10 0
179 2MASS J11155827-7729046 Y*O 11 15 58.2846550464 -77 29 04.463355480         13.65 M4.5 6 0
180 Ass Cha T 1-32 Y*O 11 17 36.9756803040 -77 04 38.123504472   13.1 13.50   11.78 M0.5e 87 0
181 Gaia DR3 5225314975329893888 * 11 17 52.1053518552 -76 29 40.761878244           ~ 1 0
182 Gaia DR3 5225314975333685248 Y*? 11 17 52.1611476240 -76 29 38.683515912           ~ 2 0
183 Gaia DR2 5225302915061447808 * 11 17 58.6141235068 -76 43 21.963869405           ~ 1 0
184 CHXR 68B * 11 18 19.5922248768 -76 22 01.435194084   16.46 14.80     M2e 13 0
185 CHXR 68A * 11 18 20.2726799448 -76 21 57.719374992   14.22 12.75 12.51 10.96 K4Ve 22 0
186 Gaia DR3 5225302777622507392 * 11 18 33.7353517560 -76 43 03.351797220           ~ 1 0
187 HD 98672 * 11 19 36.5281546752 -75 08 32.808187176   6.241 6.258     B9.5/A0V 31 0
188 2MASS J11194214-7623326 Y*O 11 19 42.1545045888 -76 23 32.596946016         14.73 M5 6 0
189 2MASS J11195652-7504529 Y*O 11 19 56.5183658640 -75 04 52.911244884         16.68 M7.25 10 0
190 Gaia DR2 5225339027150711936 * 11 21 26.6928672191 -76 18 25.724888915           ~ 1 0
191 UCAC4 068-012962 * 11 21 30.7931592072 -76 33 35.172402732   16.80 15.07 14.62   M4Ve 9 0
192 2MASS J11241186-7630425 Y*O 11 24 11.8643530704 -76 30 42.679500732         14.87 M5 21 0
193 NAME Chamaeleon Region SFR 11 55 -78.0           ~ 806 0
194 NAME eps Cha Association OpC 11 59 51 -78 12.4           ~ 161 1
195 NAME Cha III MoC 12 37.8 -80 15           ~ 140 2
196 NAME Cha II MoC 12 54 -77.2           ~ 337 0
197 UCAC2 644869 * 12 55 54.7226730144 -76 28 33.737886012   12.794 11.347 11.02 9.80 ~ 5 0
198 NAME Sz 46N Em* 12 56 33.6498681600 -76 45 45.520705728   17.66 16.19 14.61 13.16 M1 30 1
199 UCAC4 070-017690 Y*? 12 57 02.9417909232 -76 11 17.127288672   15.677 14.122 13.808   ~ 2 0
200 2MASS J12585614-7630104 Y*O 12 58 56.1408783960 -76 30 10.544207580       16.39 14.38 M5 7 0
201 2MASS J12590984-7651037 Y*O 12 59 09.8766268200 -76 51 03.756572676           M5.5 14 0
202 2MASS J12591013-7712139 Y*O 12 59 10.1600323896 -77 12 13.864063428           M0 13 0
203 RX J1300.9-7708B * 13 00 53.2360864848 -77 09 09.303222348           ~ 9 0
204 Sz 49 Y*O 13 00 53.2473650928 -76 54 15.206649912   15.6       M0.5 43 0
205 RX J1300.9-7708A Y*O 13 00 53.5904796360 -77 09 08.405133264   19.17 18.05 16.08 14.32 M0.5 8 0
206 2MASS J13005534-7708296 Y*O 13 00 55.3405780272 -77 08 29.630496552       14.93 13.29 M2.5 8 0
207 ASAS J130056-7653.9 TT* 13 00 56.2347315648 -76 54 02.375615448   13.79 12.35 11.93 10.446 K5 15 0
208 2MASS J13005927-7714027 Y*O 13 00 59.2811230320 -77 14 02.848183656         16.26 ~ 24 0
209 Sz 51 Or* 13 01 58.8991295760 -77 51 21.848767020   15.38       K8.5 40 0
210 V* CM Cha TT* 13 02 13.5244979592 -76 37 57.818696016   14.70 13.40     K7IVe 42 0
211 2MASS J13022287-7734494 Y*O 13 02 22.8483923232 -77 34 49.479406140           M5 17 0
212 2MASS J13030444-7707027 TT* 13 03 04.4591495760 -77 07 02.759053872     13.23     M0 16 1
213 2MASS J13030905-7755596 Y*O 13 03 09.0555653520 -77 55 59.569205808           M4.5 9 0
214 2MASS J13031616-7629381 Y*? 13 03 16.1644556256 -76 29 38.139787680       16.42 14.41 M7 6 0
215 Hn 22 Y*O 13 04 22.8528353784 -76 50 05.477354844           M2e 17 0
216 Hn 23 Y*O 13 04 24.1091476992 -76 50 01.203848088           K7e 24 0
217 Sz 52 Y*O 13 04 24.8675032320 -77 52 30.280923336   17.7     14.66 M2.5 28 0
218 Gaia DR2 5788199129851179392 * 13 04 55.7099373957 -77 39 50.888919879           ~ 1 0
219 Hn 24 Y*O 13 04 55.7191411392 -77 39 49.222352340           M0 31 0
220 Hn 25 Y*O 13 05 08.5232959920 -77 33 42.630661188           M2.5 23 0
221 Sz 53 Y*O 13 05 12.6752612232 -77 30 52.566390396   17.85 16.59     M1 31 0
222 Hen 3-854 Or* 13 05 20.6574078672 -77 39 01.506188880   13.88 12.40     K5 45 0
223 2MASS J13052169-7738102 Y*O 13 05 21.6550009440 -77 38 10.259255184           ~ 13 0
224 Sz 55 Y*O 13 06 30.5147352624 -77 34 00.166145700   18.90 17.49     M2 19 0
225 Sz 56 Y*O 13 06 38.7881087232 -77 30 35.274308688   18.53 17.08     M4 22 0
226 Sz 57 Y*O 13 06 56.5765655088 -77 23 09.640416696   19.56 17.70     M5 20 0
227 Sz 58 Em* 13 06 57.4252298184 -77 23 41.593041672   17.89 16.01     K5 32 0
228 2MASS J13071806-7740529 Y*O 13 07 18.0439003536 -77 40 53.043429684         16.18 M4.5 19 0
229 NAME Sz 60W Y*O 13 07 22.3510937688 -77 37 22.664073396   17.35 15.77 15.96 13.45 M1e 10 0
230 NAME Sz 60E Y*O 13 07 23.3754539424 -77 37 23.233614528   18.16 16.80 16.13 13.60 M4e 8 0
231 Hn 26 Y*O 13 07 48.4988968944 -77 41 21.572667204           M2 23 0
232 V* BM Cha Or* 13 08 06.2695235808 -77 55 05.329818156   16.77 14.60     K5 55 0
233 2MASS J13082714-7743232 Y*O 13 08 27.1778458152 -77 43 23.297498148         16.55 M4.5 20 0
234 Gaia DR2 5788188645837403648 * 13 08 53.5338754090 -77 37 08.668636906           ~ 1 0
235 2MASS J13090987-7709437 Y*O 13 09 09.9088695936 -77 09 43.801176816       15.37 14.04 M0.5 12 0
236 Gaia DR3 5788969303392994048 Y*? 13 09 11.0580776112 -77 09 44.139179448           ~ 3 0
237 2MASS J13092614-7640137 Y*? 13 09 26.1547272048 -76 40 13.741441716   16.75 15.10 14.65   ~ 3 0
238 Sz 63 Y*O 13 10 04.1819222640 -77 10 44.849941680   15.2       M3 20 0
239 Gaia DR2 5788144910186689920 * 13 12 52.3547987463 -77 39 17.689807144           ~ 1 0
240 Gaia DR2 5788144910190016256 * 13 12 52.3712318798 -77 39 18.624078297           ~ 1 0
241 Sz 64 Y*O 13 14 03.7124279328 -77 53 07.576738116   16.3       M5 17 0
242 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3631 1
243 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 14420 0

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