2009ApJ...704..531K


C.D.S. - SIMBAD4 rel 1.7 - 2021.06.17CEST05:22:39

2009ApJ...704..531K - Astrophys. J., 704, 531-547 (2009/October-2)

The coevality of young binary systems.

KRAUS A.L. and HILLENBRAND L.A.

Abstract (from CDS):

Multiple star systems are commonly assumed to form coevally; they thus provide the anchor for most calibrations of stellar evolutionary models. In this paper, we study the binary population of the Taurus-Auriga association, using the component positions in an HR diagram in order to quantify the frequency and degree of coevality in young binary systems. After identifying and rejecting the systems that are known to be affected by systematic errors (due to further multiplicity or obscuration by circumstellar material), we find that the relative binary ages,|Δlog τ|, have an overall dispersion σ_|Δlog τ|_∼ 0.40 dex. Random pairs of Taurus members are coeval only to within σ_|Δlog τ|_∼ 0.58 dex, indicating that Taurus binaries are indeed more coeval than the association as a whole. However, the distribution of|Δlog τ| suggests two populations, with ∼2/3 of the sample appearing coeval to within the errors (σ_|Δlog τ|_∼ 0.16 dex) and the other ∼1/3 distributed in an extended tail reaching|Δlog τ|∼ 0.4-0.9 dex. To explain the finding of a multipeaked distribution, we suggest that the tail of the differential age distribution includes unrecognized hierarchical multiples, stars seen in scattered light, or stars with disk contamination; additional follow-up is required to rule out or correct for these explanations. The relative coevality of binary systems does not depend significantly on the system mass, mass ratio, or separation. Indeed, any pair of Taurus members wider than ∼10' (∼0.7 pc) shows the full age spread of the association.

Abstract Copyright:

Journal keyword(s): binaries: general - Hertzsprung-Russell (HR) diagram - open clusters and associations: individual: Taurus-Auriga - stars: evolution - stars: fundamental parameters - stars: pre-main sequence

VizieR on-line data: <Available at CDS (J/ApJ/704/531): table1.dat table2.dat tablea1.dat refs.dat>

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 181

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Number of rows : 181

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 NAME Perseus Cloud SFR 03 35.0 +31 13           ~ 1142 0
2 2MASS J03542950+3203013 TT* 03 54 29.5045697196 +32 03 01.407089906   12.71 11.85     G0 49 0
3 2MASS J03543017+3203043 TT* 03 54 30.17472 +32 03 04.3488   13.25 12.31     G5 50 0
4 2MASS J03543556+2537111 TT* 03 54 35.5599485201 +25 37 11.176094579   14.90 13.79     K3 34 0
5 2MASS J03543597+2537081 TT* 03 54 35.9683327179 +25 37 08.087063799   13.59 12.67     K2 40 0
6 V* V1067 Tau A TT* 04 03 13.9544410795 +25 52 59.084182120           K3e 42 0
7 V* V1067 Tau Or* 04 03 13.959264 +25 52 59.65104   13.83 12.83 12.69   K3e+K3e 42 0
8 V* V1067 Tau B TT* 04 03 13.9630520870 +25 53 00.374400100   13.96 12.91     K3e 28 0
9 2MASS J04080782+2807280 TT* 04 08 07.8348781716 +28 07 28.180526482           ~ 18 0
10 V* V1095 Tau TT* 04 13 14.1550545701 +28 19 10.670834057   15.32 13.81 13.62   M4 99 0
11 V* V1096 Tau TT* 04 13 27.2226142854 +28 16 24.653683705   15.42 13.53 13.07   M0 73 0
12 2MASS J04141188+2811535 Y*O 04 14 11.8823284464 +28 11 53.410193839 18.72         M6e 49 0
13 HD 283447 Or* 04 14 12.9232870093 +28 12 12.378540314 13.17 12.07 10.68 9.45 8.67 K3Ve 386 0
14 V* FM Tau Or* 04 14 13.5839505100 +28 12 49.166941548 14.44   13.80 13.64   M0/2e 197 0
15 V* FN Tau Or* 04 14 14.5943659839 +28 27 58.063377983     14.70 13.68   M5 145 0
16 V* CW Tau Or* 04 14 17.0041128798 +28 10 57.765657757 13.92 13.64 12.36 12.86   K0Ve 325 0
17 [BCG93] 1 TT* 04 14 17.6094853639 +28 06 09.650035718 18.04         M4.5 77 0
18 [BHS98] MHO 1 TT* 04 14 26.2709425846 +28 06 03.288644046           M2.5 37 1
19 V* FP Tau Or* 04 14 47.3027404423 +26 46 26.414740336 17.21 16.14 15.02     M4Ve 149 0
20 2MASS J04144741+2812219 * 04 14 47.4148860765 +28 12 21.909720752       18.9   ~ 6 0
21 V* CX Tau Or* 04 14 47.8612023028 +26 48 11.013547235 16.48 15.93 14.50     M1.5Ve 160 0
22 V* FO Tau Or* 04 14 49.2797479571 +28 12 30.461592529       14.92   M3.5e+M3.5e 115 0
23 [BLH2002] KPNO-Tau 1 LM* 04 15 14.7224038902 +28 00 09.386264531     24.063     M8.5Ve 38 0
24 2MASS J04152409+2910434 TT* 04 15 24.1017606897 +29 10 43.514652084           M7 21 0
25 2MASS J04161210+2756385 Y*O 04 16 12.1078014228 +27 56 38.490676886           M5e 28 0
26 2MASS J04161885+2752155 TT* 04 16 18.8592740928 +27 52 15.375920546           M8.0 22 0
27 2MASS J04163911+2858491 TT* 04 16 39.1285707950 +28 58 49.312410914           M7.3 28 0
28 V* CY Tau Or* 04 17 33.7281514373 +28 20 46.809969664 14.52 14.68 13.40 12.59   M1.5 242 0
29 [BLH2002] KPNO-Tau 10 Y*O 04 17 49.5566788466 +28 13 31.770397307     17.8     M5Ve 38 0
30 IRAS F04147+2822 TT* 04 17 49.6578079496 +28 29 36.325239443           M3.7 65 0
31 2MASS J04181710+2828419 TT* 04 18 17.1091861192 +28 28 41.921033525     22.175     M6.4 77 0
32 [BLH2002] KPNO-Tau 11 TT* 04 18 30.3021433493 +27 43 20.649706760           M5.5Ve 34 0
33 V* DD Tau Or* 04 18 31.1271804823 +28 16 29.158626278 15.94 15.49 14.10 13.76   M3.5e+M3.5e 181 0
34 [BLH2002] KPNO-Tau 2 LM* 04 18 51.1522243376 +28 14 33.296824693     21.376     M7.5Ve 39 0
35 V* V1069 Tau Or* 04 18 51.7034617249 +17 23 16.579842927   13.32 12.22 12.22 10.944 K7e 108 0
36 IRAS 04158+2805 Y*O 04 18 58.1407377664 +28 12 23.347645825           M5.25 91 0
37 [BLH2002] KPNO-Tau 12 Y*O 04 19 01.2808784328 +28 02 48.145982297     23.228     M9Ve 51 0
38 2MASS J04190197+2822332 TT* 04 19 01.9773489612 +28 22 33.268594450           M5.5 39 0
39 V* FQ Tau Or* 04 19 12.812616 +28 29 32.98128       15.00   M3 100 0
40 V* BP Tau Or* 04 19 15.8342975037 +29 06 26.929456808   13.13 12.12 11.89   K5/7Ve 619 0
41 V* V1070 Tau Or* 04 19 41.2688488305 +27 49 48.151086734   13.75 12.25 11.14   M0 136 0
42 NAME Auriga reg 04 20 00.0 +38 05 00           ~ 178 0
43 2MASS J04202555+2700355 Y*O 04 20 25.5568397008 +27 00 35.548947507           M5e 29 0
44 Cl* Melotte 25 LH 206 TT* 04 20 52.7379320789 +17 46 41.548103310   18.14 16.47     M4.6 32 0
45 [MDM2001] CFHT-BD-Tau 19 Y*O 04 21 07.9716728277 +27 02 20.095089359           M5IVe 34 0
46 2MASS J04213459+2701388 Y*O 04 21 34.5936907712 +27 01 38.717671105           M5.5e 30 0
47 [MDM2001] CFHT-BD-Tau 10 LM* 04 21 46.3104454321 +26 59 29.396088687           M6IVe 30 0
48 2MASS J04215450+2652315 TT* 04 21 54.5256903324 +26 52 31.353073628           M8.5 27 0
49 V* DE Tau Or* 04 21 55.6346296353 +27 55 06.184221341 15.18 15.13 13.80     M3Ve 231 0
50 V* RY Tau Or* 04 21 57.4132838427 +28 26 35.533990877 10.82 10.34 9.30 9.67 8.87 K1IV/Ve 663 1
51 HD 283572 Or* 04 21 58.8482823933 +28 18 06.511915195   9.80 9.03 9.14   G5IVe 272 0
52 V* FS Tau Or* 04 22 02.1925017485 +26 57 30.331063489 17.57   14.10 15.63   M3.5e+M0e 263 0
53 2MASS J04221644+2549118 LM* 04 22 16.4374053783 +25 49 11.813862323           M8IVe 23 0
54 IRAS F04192+2647 TT* 04 22 16.7670021430 +26 54 57.171796087 18.78 18.9 17.8     M1IVe 41 0
55 2MASS J04230607+2801194 Y*O 04 23 06.0802612915 +28 01 19.554193348           M6 29 0
56 [MDM2001] CFHT-BD-Tau 9 LM* 04 24 26.4612148911 +26 49 50.250899575         15.35 M6IVe 34 0
57 V* IP Tau Or* 04 24 57.0823478325 +27 11 56.543062579   14.50   12.46   M0:Ve 201 0
58 [BLH2002] KPNO-Tau 3 LM* 04 26 29.3901723833 +26 24 13.722007135     20.239     M6Ve 44 0
59 V* FV Tau Or* 04 26 53.5415038432 +26 06 53.942994170 19.58     15.26   K5 127 2
60 CoKu FV Tau c TT* 04 26 54.4012605412 +26 06 50.942995443 20.35   16.70     M3.5e+M2.5e 62 0
61 [BLH2002] KPNO-Tau 13 TT* 04 26 57.3162958061 +26 06 28.340060968           M5Ve 38 0
62 V* DF Tau A * 04 27 02.79 +25 42 22.4     12.62     M2e 28 0
63 V* DF Tau B * 04 27 02.79 +25 42 22.4     13.51     M3.5e 19 0
64 HD 285778 Or* 04 27 10.5694001840 +17 50 42.660851333   11.07 10.22     K1e 125 0
65 [BLH2002] KPNO-Tau 4 BD* 04 27 27.9997171623 +26 12 05.097974406     24.722 20.54 18.75 L0 66 0
66 2MASS J04284263+2714039 Y*O 04 28 42.63480 +27 14 03.9084           M5e 30 0
67 2MASS J04290068+2755033 TT* 04 29 00.6843498970 +27 55 03.298881009           M8.8 29 0
68 [BLH2002] KPNO-Tau 5 LM* 04 29 45.6733565875 +26 30 46.559502443     19.690 19.10 15.08 M7.5Ve 50 0
69 V* IQ Tau Or* 04 29 51.5569553814 +26 06 44.854858369 15.43   13.80 12.28 11.11 M0.5 209 0
70 2MASS J04295950+2433078 TT* 04 29 59.5081451509 +24 33 07.687799554     16.31 17.9 15.7 M5.5 41 0
71 NAME Tau-Aur Complex SFR 04 30 +25.0           ~ 1255 0
72 V* UX Tau C TT* 04 30 03.9885439206 +18 13 46.786269979     18.0     M5 35 0
73 V* UX Tau A TT* 04 30 03.9931880444 +18 13 49.476948664   12.92 11.15     K2Ve 333 0
74 V* UX Tau Or* 04 30 03.99626 +18 13 49.4355 11.23 11.84 10.80 9.83 9.05 K2Ve+M1Ve 320 0
75 [BLH2002] KPNO-Tau 6 BD* 04 30 07.2484355471 +26 08 20.698295788     22.292 20.56 17.90 M8.5Ve 52 0
76 EPIC 247739445 LM* 04 30 23.6516358028 +23 59 12.991548656         17.91 M9.9 28 0
77 V* FX Tau Or* 04 30 29.618064 +24 26 45.02724   15.18 13.61 13.21   M4 144 0
78 V* DK Tau A * 04 30 44.2409691803 +26 01 24.730398215           K5Ve 251 0
79 V* DK Tau Or* 04 30 44.243376 +26 01 24.65328 13.32 14.59 13.05 12.08   K7e+K7e 304 0
80 V* DK Tau B * 04 30 44.3924138334 +26 01 23.580661828           K7e 26 0
81 [BLH2002] KPNO-Tau 7 LM* 04 30 57.2037457394 +25 56 39.560007407     22.068   17.16 M8Ve 48 0
82 V* V1320 Tau TT* 04 31 14.4390253358 +27 10 17.921049955   14.33 12.689 11.75 10.844 M1 45 0
83 VSS XI-2 TT* 04 31 15.7846772782 +18 20 07.068277320     15.72     M4.25 43 0
84 2MASS J04311907+2335047 TT* 04 31 19.0749924642 +23 35 04.799712711       20.3 17.5 M8 26 0
85 EM* LkHA 331 TT* 04 31 23.814648 +24 10 52.98312   16.30 14.73 14.98   M4.5V 98 0
86 2MASS J04312405+1800215 TT* 04 31 24.0575671088 +18 00 21.455153686   20.38 18.678   14.32 M7 65 0
87 2MASS J04312669+2703188 BD* 04 31 26.6898772881 +27 03 18.809763277         17.90 M7IVe 25 0
88 EM* LkHA 358 TT* 04 31 36.1396524070 +18 13 43.176961457     19.0     M0.9 89 0
89 V* HL Tau Or* 04 31 38.471952 +18 13 58.08504   15.89 14.49 14.39   K5 1262 0
90 IRAS 04287+1807 mul 04 31 38.8 +18 13 57           ~ 796 0
91 V* XZ Tau Or* 04 31 40.0868968022 +18 13 56.642439056     10.40 13.12   M2e+M2e 414 1
92 ** CHN 3A * 04 31 50.55 +24 24 18.6           M1 31 0
93 NAME HK Tau B TT* 04 31 50.58 +24 24 16.4           M1 72 0
94 V* V710 Tau B TT* 04 31 57.7916444904 +18 21 37.947621353   15.07 13.55 13.98   M0.5/1e 52 0
95 V* V710 Tau ** 04 31 57.79848 +18 21 36.9396           ~ 156 0
96 V* V710 Tau A TT* 04 31 57.8032267772 +18 21 34.726898440       13.87   M2/3e 158 0
97 2MASS J04315844+2543299 TT* 04 31 58.4512764298 +25 43 30.018429763     15.96     M4.9 38 0
98 2MASS J04320329+2528078 TT* 04 32 03.2929760993 +25 28 07.783546888           M7.6 26 0
99 L 1551-51 Or* 04 32 09.2838548075 +17 57 22.695083303   13.29       K7e 121 0
100 Haro 6-13 Or* 04 32 15.4177438039 +24 28 59.580866027 19.22   17.7     M0 192 1
101 2MASS J04321606+1812464 TT* 04 32 16.0655428266 +18 12 46.383508261   19.20 17.595     M6.5 74 0
102 2MASS J04321786+2422149 TT* 04 32 17.8722821712 +24 22 14.906649942     18.2 16.63 14.12 M6.5 39 0
103 2MASS J04322210+1827426 TT* 04 32 22.1106070891 +18 27 42.648224021           M5.0 44 0
104 2MASS J04322329+2403013 TT* 04 32 23.3105661797 +24 03 01.465743295           M8.9 26 0
105 2MASS J04322627+1827521 TT* 04 32 26.2778233566 +18 27 52.149741588           M5.3 29 0
106 [RRN96] GG Tau B Y*? 04 32 30.2772495129 +17 31 30.448743263           M6 47 1
107 [RRN96] GG Tau Bb TT* 04 32 30.28224 +17 31 30.3024           M6+M7.5 76 1
108 V* GG Tau Or* 04 32 30.3318954228 +17 31 40.834888327 14.84 14.78 13.40 11.54   M0e+M2.0e 671 1
109 V* FY Tau Or* 04 32 30.5786392247 +24 19 57.364725369 17.83 18.05 13.49 14.17   M0.1 102 0
110 V* FZ Tau Or* 04 32 31.7629319321 +24 20 03.057541003 16.15     15.04   M0 125 0
111 NAME TAU-AUR T ASSOC Cl* 04 32 33 +26 04.6           ~ 44 0
112 V* UZ Tau ** 04 32 43.02168 +25 52 30.9036           M4Ve+M1/3Ve 293 0
113 V* V1076 Tau Or* 04 32 43.7360056323 +18 02 56.310753348   14.72       K7 86 0
114 V* GH Tau Or* 04 33 06.2181025969 +24 09 33.628411049     13.20 12.59   M3Ve 172 0
115 [BLH2002] KPNO-Tau 14 Y*O 04 33 07.8106353614 +26 16 06.562720873     20.735     M6Ve 33 0
116 V* V830 Tau TT* 04 33 10.0299730541 +24 33 43.255853678   13.91 12.08 11.30   M0-1 179 1
117 IRAS 04303+2240 Y*O 04 33 19.0746339919 +22 46 34.185095127           M0.5 67 0
118 V* GI Tau Or* 04 33 34.0608378045 +24 21 17.067391746 14.34   13.70 12.15 11.06 K5Ve 261 1
119 V* IS Tau Or* 04 33 36.7943820957 +26 09 49.071437296 18.52     14.79   M2.0 117 0
120 V* DL Tau Or* 04 33 39.0766866461 +25 20 38.097973550 14.04 14.59 13.40 11.85 10.89 K7Ve 296 0
121 V* HN Tau Or* 04 33 39.3612389736 +17 51 52.302839814   14.76 13.40 13.05   K5e 227 0
122 2MASS J04334291+2526470 BD* 04 33 42.9227698549 +25 26 46.843807910           L0.1 25 0
123 V* DM Tau Or* 04 33 48.7335659850 +18 10 09.974471722 14.30 14.82 14.00     M2Ve 544 0
124 V* CI Tau Or* 04 33 52.0144455735 +22 50 30.093741884 14.97 15.09 13.80     K4IVe 288 1
125 V* IT Tau B Y*O 04 33 54.5850995458 +26 13 25.790654681           M4 18 0
126 V* IT Tau A Y*O 04 33 54.7116513714 +26 13 27.488001999 18.01         K3 18 0
127 2MASS J04341099+2251445 TT* 04 34 10.9942832092 +22 51 44.397944183     15.19     M1.5 43 0
128 2MASS J04341527+2250309 Y*O 04 34 15.2773856137 +22 50 30.804533445     23.427     M7 42 0
129 V* AA Tau Or* 04 34 55.4222683130 +24 28 53.038273587 13.14 13.34 12.20     K5Ve 654 0
130 V* HO Tau Or* 04 35 20.2103777721 +22 32 14.557063236     15.20     M0.5 115 0
131 V* DN Tau Or* 04 35 27.3776240781 +24 14 58.908761629 13.56 12.88 11.50 11.79   M1:Ve 357 0
132 [BLH2002] KPNO-Tau 8 Y*O 04 35 41.8388746981 +22 34 11.595178814 20.64   19.261     M6Ve 38 0
133 [BLH2002] KPNO-Tau 9 LM* 04 35 51.4277984148 +22 49 11.868048124     24.918   18.76 M8.5V 39 0
134 CoKu HP Tau G2 Or* 04 35 54.1553246504 +22 54 13.404170652 13.63 12.31 11.158 10.14 9.172 G2e 118 0
135 Haro 6-28 Or* 04 35 56.8652987075 +22 54 35.826437972 18.94         M3.1 88 0
136 2MASS J04361038+2259560 Y*O 04 36 10.3838421343 +22 59 56.003013804     22.520   16.81 M8Ve 49 0
137 V* V1115 Tau TT* 04 36 19.1014976181 +25 42 58.999936422   12.97 11.76 10.81 10.228 M0 81 0
138 2MASS J04363893+2258119 Y*O 04 36 38.9288541165 +22 58 11.845890661     21.654   16.88 M7.75 47 0
139 ITG 2 Y*O 04 38 00.8675100119 +25 58 57.275767004       20.21 14.71 M7e 33 0
140 V* GM Tau Or* 04 38 21.3390129259 +26 09 13.784439336     17.577   15.04 M6.5 98 0
141 V* DO Tau Or* 04 38 28.5882167490 +26 10 49.472067634 12.78 13.44 12.30 13.01   M1Ve 327 1
142 2MASS J04390163+2336029 TT* 04 39 01.6333473875 +23 36 02.959278320   16.7   15.2 12.8 M6 35 0
143 2MASS J04391586+3032074 TT* 04 39 15.8642032757 +30 32 07.441983342           M3.5 10 0
144 EM* LkCa 15 Or* 04 39 17.7912813350 +22 21 03.387667491   13.01 12.03 11.61   K5:Ve 583 1
145 ITG 17 Y*O 04 39 47.4820305505 +26 01 40.693626234     21.556   15.78 M7 87 0
146 IRAS 04370+2559 Y*O 04 40 08.0044564423 +26 05 25.424058995           M 51 0
147 Haro 6-33 TT* 04 41 38.8300758211 +25 56 26.681998749     18.40     M0.5 105 2
148 2MASS J04414489+2301513 LM* 04 41 44.8958526354 +23 01 51.407921287       20.6   M8.7 57 1
149 2MASS J04414565+2301580 TT* 04 41 45.6493974957 +23 01 58.016822466   16.67 15.20 14.87   M4.3 30 1
150 V* V999 Tau Or* 04 42 05.4896906880 +25 22 56.226737601 18.68 15.1 14.7     M0.6 75 0
151 EM* LkHA 332 Or* 04 42 07.7923691084 +25 23 11.820801806 17.90 16.51       K7+M2.5 145 1
152 2MASS J04422101+2520343 TT* 04 42 21.0213244177 +25 20 34.300467111 18.67         M5.1 50 0
153 V* DP Tau Or* 04 42 37.6996387891 +25 15 36.992730557 15.84 15.2 13.70 14.42   M0.8 156 1
154 V* GO Tau Or* 04 43 03.0761884276 +25 20 18.708294279   16.2 14.40     M2.3 163 0
155 IRAS S04414+2506 BD* 04 44 27.1421731772 +25 12 16.439761677           M7e 65 0
156 V* DQ Tau Or* 04 46 53.0577037389 +17 00 00.135310040 14.56 13.67 12.00 13.21   M1Ve 302 0
157 V* DR Tau Or* 04 47 06.2152696011 +16 58 42.814250257 12.03 11.86 10.50 12.19   K5Ve 485 0
158 V* DS Tau Or* 04 47 48.5954846337 +29 25 11.189809829 13.11 13.16 12.30 12.37 10.80 K4Ve 220 0
159 V* UY Aur Or* 04 51 47.3900418279 +30 47 13.552212742 12.82 12.96 11.90 10.59 9.52 M0e+M2.5e 334 0
160 V* GM Aur Or* 04 55 10.9813656049 +30 21 59.375978047 14.59 13.351 12.242 11.798   K3Ve 570 0
161 2MASS J04552333+3027366 BD* 04 55 23.3302505842 +30 27 36.538498322           M6e 28 0
162 HD 282630 Or* 04 55 36.9698052301 +30 17 55.100440086   12.17 11.12 10.55   K0Ve 154 0
163 2MASS J04554046+3039057 Y*O 04 55 40.4630844567 +30 39 05.616572125           M5e 24 0
164 2MASS J04554535+3019389 TT* 04 55 45.3525363022 +30 19 38.861271006           M5e 28 0
165 2MASS J04554757+3028077 TT* 04 55 47.5774465268 +30 28 07.563998959           M5e 33 0
166 2MASS J04554801+3028050 Y*O 04 55 48.0219978654 +30 28 04.835729170           M5.5e 26 0
167 2MASS J04554969+3019400 Y*O 04 55 49.7005840969 +30 19 39.990267227           M6e 25 0
168 2MASS J04555288+3006523 Y*O 04 55 52.8963159285 +30 06 52.222859715           M5e 21 0
169 2MASS J04555636+3049374 Y*O 04 55 56.3658931689 +30 49 37.427515861           M5e 19 0
170 V* SU Aur Or* 04 55 59.3861369488 +30 34 01.499800471   10.33 9.30 9.17   G2IIIne 547 0
171 2MASS J04574903+3015195 Y*O 04 57 49.0192539270 +30 15 19.142767817           M9 25 0
172 V* V836 Tau TT* 05 03 06.5988350466 +25 23 19.604482133   15.00 13.49 13.48   K7/M0Ve 213 0
173 2MASS J05044139+2509544 TT* 05 04 41.3974730845 +25 09 54.581861436           M3.7 39 0
174 2MASS J05061674+2446102 TT* 05 06 16.7521509473 +24 46 10.158429144           M3/5e 28 0
175 2MASS J05071206+2437163 TT* 05 07 12.0679346815 +24 37 16.368894440           K6 20 0
176 V* RW Aur TT* 05 07 49.5662483 +30 24 05.177426   10.86 9.60 9.95   K1/5e+K5e 730 0
177 2MASS J05075496+2500156 TT* 05 07 54.9656053105 +25 00 15.599361879           M3.7 39 0
178 NAME Lup Cloud SFR 16 03 -38.1           ~ 565 0
179 NAME Upper Sco Association As* 16 12 -23.4           ~ 1104 1
180 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3186 1
181 NAME the Pipe Nebula DNe 17 30 -25.0           ~ 356 1

    Equat.    Gal    SGal    Ecl

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2021.06.17-05:22:39

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