2020MNRAS.496.5176D

Query : 2020MNRAS.496.5176D

2020MNRAS.496.5176D - Mon. Not. R. Astron. Soc., 496, 5176-5200 (2020/August-3)

Wide binaries are rare in open clusters.

DEACON N.R. and KRAUS A.L.

Abstract (from CDS):

The population statistics of binary stars are an important output of star formation models. However, populations of wide binaries evolve over time due to interactions within a system's birth environment and the unfolding of wide, hierarchical triple systems. Hence, the wide binary populations observed in star-forming regions or OB associations may not accurately reflect the wide binary populations that will eventually reach the field. We use Gaia DR2 data to select members of three open clusters, Alpha Per, the Pleiades, and Praesepe and to flag cluster members that are likely unresolved binaries due to overluminosity or elevated astrometric noise. We then identify the resolved wide binary population in each cluster, separating it from coincident pairings of unrelated cluster members. We find that these clusters have an average wide binary fraction in the 300-3000 au projected separation range of 2.1±0.40.2 per cent increasing to 3.0±0.80.7 per cent for primaries with masses in the 0.5-1.5 M☉ range. This is significantly below the observed field wide binary fraction, but shows some wide binaries survive in these dynamically highly processed environments. We compare our results with another open cluster (the Hyades) and two populations of young stars that likely originated in looser associations (young moving groups and the Pisces-Eridanus stream). We find that the Hyades also has a deficit of wide binaries while the products of looser associations have wide binary fractions at or above field level.

Abstract Copyright: © The Author(s) 2020. Published by Oxford University Press on behalf of The Royal Astronomical Society.

Journal keyword(s): binaries: visual - stars: formation - open clusters and associations: individual

Status at CDS : Large table(s) of objects being ingested in VizieR.

Simbad objects: 304

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Number of rows : 304
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 NAME THA MGr 00 00 -62.0           ~ 540 0
2 Gaia DR3 2741273390752119680 * 00 18 42.9676038360 +05 06 35.840415924           ~ 5 0
3 Gaia DR3 2741273395049220992 * 00 18 43.1127664368 +05 06 34.565479740           ~ 3 0
4 Gaia DR3 2799470060175375872 * 00 23 04.4201386968 +21 27 53.212346568           ~ 2 0
5 UCAC4 558-000773 * 00 23 04.6382737824 +21 27 51.218583516   13.615 12.715 12.483   ~ 4 0
6 HD 4184 * 00 44 19.5963232512 -04 23 56.721140664   9.31 8.87     F5V 20 0
7 Gaia DR3 2528796277673941376 * 00 44 20.0288836008 -04 24 01.905551460           ~ 3 0
8 TYC 8034-121-1 Er* 00 47 38.4423256944 -47 41 46.154951232   13.29 12.20     ~ 13 0
9 UCAC4 212-000732 * 00 47 39.3180406848 -47 41 48.947884296       16.272   ~ 1 0
10 BD+06 146 * 01 02 29.6824973376 +06 59 54.732346800   10.60 9.82     G0 17 0
11 Gaia DR3 2577307860266860800 * 01 02 30.3938541648 +07 00 01.518999840           ~ 2 0
12 G 132-50 PM* 01 03 40.1423767848 +40 51 29.102337396       10.360   M0.0Ve 47 0
13 G 132-51A PM* 01 03 42.0523525968 +40 51 15.941750544         10.5 M2.6V 22 1
14 G 132-51B PM* 01 03 42.2727251496 +40 51 15.730372152   15.6   13.5   M3.8V 13 1
15 TYC 1197-562-1 * 01 24 29.1863075448 +15 30 36.666525456   11.16 10.27     ~ 4 0
16 Gaia DR3 2590688680553786240 * 01 24 29.2494389760 +15 30 40.101005592           ~ 1 0
17 Gaia DR3 2508964111565146752 * 01 42 37.0047336816 -00 47 54.441593340           ~ 2 0
18 UCAC4 447-002121 * 01 42 37.1915605656 -00 47 50.741761416   13.588 12.453 12.218   ~ 7 0
19 UCAC4 362-002244 * 01 59 17.1992158584 -17 46 37.942163292   14.499 13.031 13.033   ~ 5 0
20 UCAC4 362-002245 * 01 59 17.4349675728 -17 46 44.834930436   14.499 13.031 13.733   ~ 5 0
21 Gaia DR3 2462582794095085056 * 01 59 53.7259179576 -09 30 19.572696360           ~ 1 0
22 TYC 5278-1673-1 * 01 59 54.0653265360 -09 30 16.523632152   11.64 10.84     ~ 11 0
23 HD 13246 PM* 02 07 26.1250439520 -59 40 45.941799000   8.02 7.50     F7V 101 1
24 CD-60 416 PM* 02 07 32.2077035400 -59 40 21.071727768   11.36 10.36 10.33   K5Ve 51 0
25 HD 14082B BY* 02 17 24.7369490496 +28 44 30.411007188   8.33 7.74     G3 123 0
26 HD 14082 BY* 02 17 25.2869702592 +28 44 42.145069812   7.545 7.031 8.04   F2 137 0
27 BD+30 397B PM* 02 27 28.0554707280 +30 58 40.362507732   14.05 12.55     K7 52 0
28 BD+30 397 PM* 02 27 29.2543096632 +30 58 24.596323968   11.3 10.12 9.32 8.78 K7V 124 1
29 TYC 635-1144-1 * 02 27 47.4361408800 +11 14 27.620943288   11.63 10.95     ~ 6 0
30 Gaia DR3 24667616384335744 * 02 27 48.4828411152 +11 14 26.807157456           ~ 1 0
31 CD-53 544 PM* 02 41 46.8336541680 -52 59 52.395906048   11.49 10.281 9.992 8.305 K6Ve 65 0
32 V* AF Hor PM* 02 41 47.3048691480 -52 59 30.641572536   13.70 12.21     M2Ve 47 0
33 Gaia DR3 439440029866690944 * 02 57 05.1839881248 +49 39 29.654846352           ~ 10 0
34 HD 18280 * 02 57 54.1072428072 +48 52 43.411019268   8.97 8.70     A2 30 0
35 * 47 Ari PM* 02 58 05.2213070040 +20 40 07.442238720   6.230   5.6   F0V(e) 201 0
36 UCAC3 222-12335 PM* 02 58 06.1821241296 +20 40 01.719841944       14.69   ~ 14 0
37 Gaia DR3 437596389381227648 * 02 58 22.9510383095 +48 04 29.071429014           ~ 2 0
38 Gaia DR3 437596389384924544 * 02 58 22.9593054834 +48 04 28.185495305           ~ 1 0
39 Gaia DR3 434488516689743232 * 02 59 24.7950937920 +47 07 50.147315292           ~ 7 0
40 Gaia DR3 437601096669764736 * 02 59 35.6250752160 +48 12 19.324817604           ~ 11 0
41 UGCS J030050.13+490159.7 * 03 00 50.1161673960 +49 01 59.762872272           ~ 4 0
42 UGCS J030757.60+502436.3 * 03 07 57.5893446696 +50 24 36.472266756           ~ 12 0
43 UGCS J030758.10+502436.0 * 03 07 58.0907442576 +50 24 36.199662840           ~ 13 0
44 HD 19902 BY* 03 13 02.7935254752 +32 53 47.214708720   8.892   7.7   G5V 91 0
45 UCAC3 246-21058 PM* 03 13 03.5982052584 +32 53 50.363951424       13.84   ~ 12 0
46 TYC 3319-557-1 * 03 13 48.5007188723 +48 59 11.496960586   12.72 12.31     ~ 19 0
47 Gaia DR3 436345969787424896 * 03 13 48.6972686976 +48 59 09.665279448           ~ 11 0
48 UCAC4 697-022769 * 03 17 03.7620268224 +49 20 12.160404132       12.701   ~ 8 0
49 UCAC4 697-022770 * 03 17 04.3593177264 +49 20 15.000715749   13.045 12.065 12.328   ~ 15 0
50 2MASS J03174209+4901465 Y*O 03 17 42.0968850494 +49 01 46.574971425     12.68     G5 36 0
51 Gaia DR3 435680765251589632 * 03 17 42.1725409224 +49 01 45.282983592           ~ 3 0
52 Gaia DR3 435184610626097408 * 03 18 01.1666757360 +47 00 07.965967536           ~ 12 0
53 Gaia DR3 435184610626097536 * 03 18 01.2566316696 +47 00 06.529856580           ~ 9 0
54 Gaia DR3 242294983667977472 * 03 20 15.2252257368 +45 00 11.337513912           ~ 1 0
55 Gaia DR3 242294983663641088 * 03 20 15.2663589864 +45 00 10.313272152           ~ 1 0
56 Gaia DR3 5155187986271622784 * 03 20 33.1716297150 -14 16 56.666889976           ~ 2 0
57 Gaia DR3 5155187986271622912 * 03 20 33.2926207847 -14 16 58.313535048           ~ 6 0
58 Gaia DR3 441640668027534720 * 03 22 32.4805122144 +49 11 15.894427632           ~ 13 0
59 Gaia DR3 441640668031763584 * 03 22 32.7657160416 +49 11 16.686873492           ~ 14 0
60 Cl* Melotte 20 AP 106 * 03 22 40.9072841573 +49 40 41.342025815   13.91 12.88   12.06 ~ 26 0
61 2MASS J03224104+4940457 * 03 22 41.0460586824 +49 40 45.710503500           ~ 12 0
62 UCAC4 681-020405 * 03 22 55.5039265608 +46 06 57.873534624   13.27 12.35 12.19   ~ 8 0
63 UGCS J032255.70+460654.2 * 03 22 55.6905079464 +46 06 54.477631800           ~ 8 0
64 Gaia DR3 442705648121901696 * 03 23 20.2711212145 +51 19 07.550464894           ~ 11 0
65 Gaia DR3 442705648117153792 * 03 23 20.3073024288 +51 19 06.504715020           ~ 14 0
66 2MASS J03262194+4716101 * 03 26 21.9394654416 +47 16 10.148279736           ~ 5 0
67 V* V627 Per RS* 03 26 22.6341230653 +47 16 09.426557465           G6 27 0
68 UGCS J032635.95+512229.7 * 03 26 35.9262993360 +51 22 29.940792816           ~ 5 0
69 2MASS J03263594+5122327 * 03 26 35.9332830456 +51 22 32.873647080           ~ 15 0
70 Gaia DR3 441405922299247488 * 03 26 49.8753378624 +48 47 35.898154512           ~ 11 0
71 Cl Melotte 20 727 * 03 26 50.1127370267 +48 47 32.026450100   10.760 10.068 10.262   F7V 42 0
72 Cl Melotte 20 MGr 03 26 50.6 +48 51 48           ~ 928 0
73 2MASS J03274852+4954183 Y*O 03 27 48.5375493768 +49 54 18.368299800     17.68     ~ 22 0
74 2MASS J03275006+4954191 * 03 27 50.0761120560 +49 54 19.052094168           ~ 14 0
75 Cl* Melotte 20 DH 184B * 03 28 21.8686267056 +47 36 07.035263100           ~ 7 0
76 Cl* Melotte 20 DH 184A * 03 28 21.9207054312 +47 36 06.081735456           ~ 13 0
77 HAT 259-08036 * 03 29 28.0932943704 +22 39 36.166750056           ~ 6 0
78 Gaia DR3 5085954625291316096 * 03 30 22.7394400368 -24 22 22.863166860           ~ 2 0
79 UCAC4 329-003816 * 03 30 22.8762525528 -24 22 26.090507028   13.494 12.413 12.102   ~ 4 0
80 APX 63A * 03 31 16.1007314784 +48 25 12.315975636           ~ 8 0
81 APX 63B * 03 31 16.1656976448 +48 25 11.662113144           ~ 9 0
82 Gaia DR3 69585140280997888 * 03 31 17.7852177336 +26 01 43.281056496           ~ 5 0
83 UCAC4 581-008037 * 03 31 17.9393135520 +26 01 43.704420456   13.731 12.707 12.453   ~ 19 0
84 HD 21845 PM* 03 33 13.4905810704 +46 15 26.546978484   8.963 8.250 7.8 7.34 K2 104 0
85 HD 21845B PM* 03 33 14.0499344256 +46 15 18.978438636   11.4 13.09 10.5   K7V 46 0
86 Cl* Melotte 22 DH 56B * 03 36 24.1769722128 +22 37 24.632937552           ~ 9 0
87 Cl* Melotte 22 DH 56 * 03 36 24.3386116134 +22 37 25.654117928   15.495 14.137   12.373 ~ 28 0
88 Gaia DR2 249033787353638912 * 03 37 28.3580944992 +48 27 21.169458288           ~ 7 0
89 UGCS J033728.43+482725.2 * 03 37 28.4211332568 +48 27 25.286393448           ~ 8 0
90 LP 413-18 SB* 03 37 33.3465440280 +17 51 14.548086360   14.26   12.264   M2.5V 46 0
91 LP 413-19 PM* 03 37 33.9015907776 +17 51 00.444036888   14.83   12.979   M3.5V 46 0
92 Gaia DR3 68356367317952128 PM* 03 40 39.7372532424 +24 44 08.843769888           ~ 17 0
93 V* HZ Tau Y*O 03 40 40.0325230320 +24 44 09.204788760     16.20   13.73 M3V 42 0
94 V* V610 Tau B PM* 03 42 03.7966566334 +24 42 45.855212177           ~ 11 0
95 V* V610 Tau Y*O 03 42 03.843552 +24 42 45.44820   14.91 13.55 13.04 11.73 M: 33 0
96 V* V610 Tau A PM* 03 42 03.8739338952 +24 42 45.058034088           ~ 7 0
97 UGCS J034324.40+231330.1 * 03 43 24.3947239920 +23 13 30.327107484           ~ 10 0
98 Cl Melotte 22 102 Er* 03 43 24.5389577065 +23 13 33.337058447 11.39 11.2 10.7 9.90 9.68 G1V 63 0
99 V* LZ Tau B * 03 43 36.5582545344 +24 13 56.325332208           ~ 5 0
100 V* LZ Tau A PM* 03 43 36.6921097556 +24 13 56.357759423           ~ 16 0
101 V* LZ Tau Y*O 03 43 36.692544 +24 13 56.31528   15.97 14.48 14.41   M0.5e 55 0
102 BD+23 501B Y*O 03 44 12.7354006906 +24 01 54.454431194     11.30 12.04   ~ 45 0
103 BD+23 501A TT? 03 44 13.0605044640 +24 01 50.951286804   11.92 11.12 11.25   ~ 82 0
104 V* V515 Tau A * 03 44 13.9340991024 +25 32 15.565806636           ~ 4 0
105 V* V515 Tau Y*O 03 44 13.96488 +25 32 15.5436   18.754 17.146   14.070 M3.5 25 0
106 V* V515 Tau B * 03 44 14.0203988105 +25 32 15.551381105           ~ 5 0
107 BD+23 502A * 03 44 14.6299858032 +24 06 07.587808128           ~ 21 0
108 BD+23 502 Er* 03 44 14.655048 +24 06 06.77520   11.41 10.59 10.13   G3IV 62 0
109 BD+23 502B * 03 44 14.6805991920 +24 06 05.828001660           ~ 7 0
110 V* MY Tau B PM* 03 44 27.1788663696 +24 50 42.600994332           ~ 9 0
111 V* MY Tau Y*O 03 44 27.3009448683 +24 50 38.308913221   15.51 14.13 13.58   M0.5e 74 0
112 Cl Melotte 22 370 B PM* 03 44 31.9502967516 +23 52 31.505847945           ~ 20 0
113 Cl Melotte 22 370 Y*O 03 44 31.978032 +23 52 30.73116   16.05 14.56 14.34 12.377 ~ 39 0
114 Cl Melotte 22 370 A * 03 44 32.0001429480 +23 52 30.184169664           ~ 20 0
115 2MASS J03451534+2517221 Y*O 03 45 15.3524954712 +25 17 22.129906236   11.8 11.3   10.35 G8V 70 0
116 Gaia DR3 69864313154046592 PM* 03 45 15.6176705544 +25 17 23.711808228           ~ 10 0
117 Cl Melotte 22 659 Y*O 03 45 25.9720109496 +23 25 48.655887420 13.949 13.214 12.231   11.043 G4V 55 0
118 HD 23387 ** 03 45 37.7883282408 +24 20 08.303093844   7.33 7.19   6.96 A1V 131 0
119 UGCS J034537.95+242003.4 PM* 03 45 37.9520184192 +24 20 03.632357220           ~ 10 0
120 HD 23410B * 03 45 48.7055446392 +23 08 52.990302228   11.06 9.97     ~ 14 0
121 HD 23410 PM* 03 45 48.8151076872 +23 08 49.727194548   6.925 6.909   6.78 A0Va 100 0
122 V* V444 Tau B PM* 03 45 52.5559235088 +25 51 42.389613288           ~ 6 0
123 V* V444 Tau Y*O 03 45 52.654032 +25 51 42.19704   16.68 15.18 14.95 12.86 M3Ve 32 0
124 V* V444 Tau A * 03 45 52.6707745472 +25 51 42.213465880           ~ 18 0
125 * 21 Tau PM* 03 45 54.4764507648 +24 33 16.235698248 5.49 5.72 5.76 5.71 5.74 B8V 234 0
126 * 21 Tau B * 03 45 55.1204466360 +24 33 17.303429232           ~ 18 0
127 Cl* Melotte 22 SK 488 Er* 03 46 05.6356958333 +24 36 44.485891999   17.680 16.145   13.684 M2.8 62 0
128 DANCe J03460570+2436497 Er* 03 46 05.6903287128 +24 36 49.982661036           ~ 26 0
129 V* V813 Tau BY* 03 46 06.5022556056 +24 34 02.743919580   13.82 12.76 12.66 11.59 G5 101 0
130 V* V789 Tau Y*O 03 46 06.9047156616 +24 33 46.130006376   14.14 13.02 13.07 11.75 ~ 88 0
131 V* OX Tau A PM* 03 46 09.8885547665 +24 40 24.973124802           ~ 17 0
132 V* OX Tau B * 03 46 09.9516350880 +24 40 26.034449520           ~ 5 0
133 BD+22 548 Y*O 03 46 10.0423522944 +23 20 24.045862524   10.8 10.18   9.46 G0 91 0
134 Gaia DR3 65204342359530112 * 03 46 14.3268356112 +23 51 02.915889840           ~ 9 0
135 Gaia DR3 65204342357685632 * 03 46 14.3540287464 +23 51 01.525541112           ~ 6 0
136 2MASS J03462219+2352412 Y*O 03 46 22.1950383936 +23 52 41.245003236         14.72 M4.2 32 0
137 Cl* Melotte 22 SHF 31 * 03 46 22.2456073416 +23 52 26.789581776           ~ 10 0
138 Cl Melotte 22 OpC 03 46 38.0 +24 10 41           ~ 3679 0
139 2MASS J03470578+2345350 * 03 47 05.7851779680 +23 45 34.880633244           ~ 18 0
140 DANCe J03470610+2345202 * 03 47 06.0966967284 +23 45 20.293363912           ~ 19 0
141 V* QS Tau Er* 03 47 11.0206425648 +24 13 51.651060420   14.00 19.34   16.03 ~ 44 0
142 Cl* Melotte 22 DH 499 * 03 47 11.8585895352 +24 13 53.882810868     19.52   15.89 ~ 35 0
143 V* V646 Tau B * 03 47 18.0891303074 +24 02 11.886662238           ~ 11 0
144 V* V1279 Tau A PM* 03 47 18.1273116285 +24 13 51.553637326           ~ 16 0
145 V* V1279 Tau B PM* 03 47 18.1342325891 +24 13 50.766111337           ~ 10 0
146 V* V646 Tau Y*O 03 47 18.147480 +24 02 11.34420   15.35 14.03 13.69 12.14 M1.5Ve 57 0
147 V* V646 Tau A PM* 03 47 18.1610254512 +24 02 11.100805656           ~ 14 0
148 HD 23631B SB* 03 47 23.9599460731 +23 54 52.116896628   9.69 9.10     G5V 33 0
149 HD 23631 SB* 03 47 24.4137493776 +23 54 52.826531688   7.34 7.30   7.11 A0V 139 0
150 Gaia DR3 70085933468406784 * 03 47 56.5998061296 +26 31 50.589622704           ~ 9 0
151 Gaia DR3 70085929172184704 * 03 47 56.6650500984 +26 31 51.483976608           ~ 8 0
152 HD 282972 Y*O 03 48 17.1159771902 +23 53 25.269864637   11.02 12.08   9.72 F9 100 0
153 2MASS J03481801+2353294 Y*O 03 48 18.0069070091 +23 53 29.310820249   14.00 13.36 14.67   M1.4 54 0
154 V* V344 Tau Y*O 03 48 20.285088 +24 54 55.23228   18.77 17.09   14.11 ~ 41 0
155 V* V344 Tau A * 03 48 20.2942620828 +24 54 54.914559053           ~ 10 0
156 V* V344 Tau B * 03 48 20.3038643044 +24 54 54.688878722           ~ 7 0
157 HD 23791 * 03 48 43.8952872624 +23 15 35.332233840   8.64 8.38   8.05 kA7hA8mF0IV 109 0
158 HD 23791B * 03 48 44.1856104336 +23 15 38.353994604           ~ 6 0
159 Cl* Melotte 22 CFHT 5 LM* 03 48 44.6884267152 +24 37 23.627958744         17.02 M5.5 32 0
160 V* V463 Tau PM* 03 48 45.3526319568 +24 37 26.418269172         15.75 M5 44 0
161 HAT 260-06934 PM* 03 49 05.4202447560 +18 50 16.170787104   16.6   11.3   ~ 18 0
162 HG 7-18 PM* 03 49 06.0420714504 +18 50 11.956450596   14.32 12.97     ~ 18 0
163 Gaia DR3 66525061984664832 PM* 03 49 16.7971197888 +24 00 58.615074648           ~ 13 0
164 Gaia DR3 66525096340629504 * 03 49 16.8359844021 +24 00 59.899603163           ~ 9 0
165 HD 23964B PM* 03 49 57.8595635856 +23 50 53.381105592   10.7 10.15     B9.5V 21 1
166 HD 23964A SB* 03 49 58.0556899152 +23 50 55.288075236   6.82 6.81 6.3 6.74 B9.5VspSiSrCr 167 0
167 V* V371 Tau A * 03 50 12.8625710651 +24 21 06.525590359           ~ 24 0
168 V* V371 Tau B PM* 03 50 12.9934749096 +24 21 07.288655436           ~ 11 0
169 UGCS J035039.69+263417.7 PM* 03 50 39.6971438064 +26 34 18.133914648           ~ 12 0
170 UGCS J035039.70+263420.0 PM* 03 50 39.6995982720 +26 34 20.494025760           ~ 18 0
171 2MASS J03511871+2603157 * 03 51 18.7063421712 +26 03 15.679760364           ~ 20 0
172 Cl* Melotte 22 SK 237 PM* 03 51 18.8533626615 +26 03 08.951507976   17.844 16.247   13.753 ~ 19 0
173 2MASS J03515155+2149171 Er* 03 51 51.5582802411 +21 49 17.082043960           ~ 30 0
174 2MASS J03515189+2149219 Er* 03 51 51.8968606076 +21 49 21.962724532           ~ 29 0
175 V* V475 Tau A * 03 51 53.8965094460 +24 02 51.753729065           ~ 15 0
176 V* V475 Tau Y*O 03 51 53.91984 +24 02 51.7452   18.68 16.92   13.96 M3.9 28 0
177 V* V475 Tau B * 03 51 54.0176131872 +24 02 51.161972820           ~ 12 0
178 2MASS J03515881+2440046 Er* 03 51 58.8142008833 +24 40 04.525063740           ~ 29 0
179 V* V387 Tau Er* 03 51 59.3144145552 +24 39 58.956184800           ~ 32 0
180 Cl* Melotte 22 DH 748 Er* 03 52 17.5407257861 +24 27 19.902524645         15.03 ~ 35 0
181 DANCe J03521764+2427184 * 03 52 17.6346125448 +24 27 18.507463416           ~ 7 0
182 Cl* Melotte 22 DH 800 Em* 03 54 18.8101186392 +25 29 42.908899380   14.11 12.87 12.47 11.444 ~ 27 0
183 Gaia DR3 3193559839597327360 * 03 55 08.0870821776 -10 10 14.639527884           ~ 2 0
184 HD 24682 * 03 55 08.9335434480 -10 10 11.817337800   9.89 9.49     A9V 12 0
185 Cl* Melotte 22 DH 824B PM* 03 55 58.1550668808 +24 32 59.924073984           ~ 13 0
186 Cl* Melotte 22 DH 824 Y*O 03 55 58.4018826052 +24 32 59.790608540   13.841 12.752   11.470 ~ 55 0
187 Cl* Melotte 22 BPL 335B * 03 56 15.7442370744 +25 29 14.579180592           ~ 6 0
188 Cl* Melotte 22 BPL 335A * 03 56 15.8116182985 +25 29 15.709221954           ~ 14 0
189 HD 24711 * 03 56 28.1224880688 +23 09 00.994817844   8.59 8.33     A0 60 0
190 2MASS J03562862+2309037 PM* 03 56 28.6249637136 +23 09 03.710888100           ~ 19 0
191 Gaia DR3 66167411464494848 * 03 58 56.3236038477 +24 18 32.469282479           ~ 9 0
192 Gaia DR3 66167205308371328 PM* 03 58 56.4257711931 +24 18 32.414128198           ~ 13 0
193 HD 25402 PM* 04 00 31.9835640456 -41 44 54.301461972   8.993 8.374 9.04   G3V 48 0
194 HD 25402B PM* 04 00 32.2520847792 -41 45 02.612821968     14.7 13.09   ~ 11 0
195 ** LDS 5469 ** 04 00 59.064504 +24 08 32.49708   16.52 15.02 14.62   ~ 3 0
196 Cl* Melotte 22 DH 896A * 04 01 04.1257995002 +20 22 21.291802564           ~ 9 0
197 Cl* Melotte 22 DH 896B * 04 01 04.1331753432 +20 22 22.266624548           ~ 4 0
198 DANCe J04015586+2444024 Er* 04 01 55.8490994256 +24 44 02.615017344           ~ 21 0
199 Gaia DR3 66289044938594816 * 04 01 55.8863528304 +24 44 00.572590392           ~ 4 0
200 Cl* Melotte 22 DH 910 PM* 04 03 49.5567732408 +23 43 14.082462480         15.79 ~ 22 0
201 UGCS J040349.73+234325.1 PM* 04 03 49.7217505176 +23 43 25.516373592           ~ 7 0
202 Cl* Melotte 22 DH 912A * 04 04 45.6358935703 +24 41 19.639348879           ~ 11 0
203 Cl* Melotte 22 DH 912B * 04 04 45.6621135940 +24 41 18.850403791           ~ 6 0
204 Gaia DR3 5092558979319804928 * 04 12 59.0398706208 -19 51 18.602555004           ~ 2 0
205 HD 26740 * 04 13 00.2455871112 -19 51 17.220290292   9.48 9.14     F0V 13 0
206 UCAC2 30793350 Ro* 04 23 54.5930190960 -02 33 43.293351492   12.68 11.83 11.69 10.89 ~ 10 0
207 Gaia DR3 3205573756476257792 * 04 23 54.7157828136 -02 33 59.855116356           ~ 2 0
208 HD 28033 SB* 04 26 18.4982775648 +21 28 13.548422352   7.897 7.334     F8V 180 0
209 2MASS J04261916+2128082 PM* 04 26 19.1884686408 +21 28 08.127333660           ~ 18 0
210 2MASS J04262692-0739414 * 04 26 26.9214641919 -07 39 41.547190875           ~ 3 0
211 TYC 5314-1115-1 Em* 04 26 27.1059899448 -07 39 39.610877256   12.447 11.625 11.513   G7 12 0
212 NAME Tau-Aur Complex SFR 04 30 +25.0           ~ 1453 0
213 Cl Melotte 25 OpC 04 30 27.4 +16 46 43           ~ 3309 0
214 2MASS J04344238-0857223 * 04 34 42.3882578903 -08 57 22.322985642           M0 5 0
215 UCAC4 406-006167 Ro* 04 34 42.7698716280 -08 57 18.427084776   12.912 12.021 11.987   K1 16 0
216 HD 29615 PM* 04 38 43.9420468776 -27 02 01.804814772   9.08 8.47   7.79 G3V 83 0
217 UCAC3 126-11943 PM* 04 38 45.6651518040 -27 02 01.982163300       15.32   ~ 6 0
218 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 2514 0
219 NAME Ori Trapezium OpC 05 35 16.5 -05 23 14           ~ 1708 1
220 CD-48 1893 * 05 36 55.0965482328 -47 57 47.936758860 12.05 11.07 9.865 9.098 8.381 K6Ve 69 0
221 V* UY Pic RS* 05 36 56.8528399368 -47 57 52.883969472   8.77 7.676   6.699 K0V 147 0
222 HD 37551A Er* 05 37 12.9178798584 -42 42 55.653395796   10.40 9.674 9.79   G7V 17 0
223 HD 37551B * 05 37 13.2417786624 -42 42 57.369940416   11.53 10.60 10.48   K1V 15 0
224 NAME Columba Association As* 06 04 19.4 -22 20 40           ~ 337 0
225 NAME AB Dor Moving Group MGr 06 38 53.4 -42 50 04           ~ 540 0
226 Gaia DR3 676263049100512256 * 08 22 51.6958558344 +21 40 10.287158916           ~ 10 0
227 UCAC4 559-045515 ** 08 22 51.781152 +21 40 10.73208       15.32   ~ 3 0
228 Gaia DR3 676263049100512384 * 08 22 51.8527996416 +21 40 11.104804992           ~ 8 0
229 2MASS J08232733+1859585 ** 08 23 27.33000 +18 59 58.5456           ~ 2 0
230 Gaia DR3 663299429048377856 * 08 23 27.3614988768 +18 59 57.745756104           ~ 3 0
231 Cl* NGC 2632 HSHJ 14 ** 08 31 16.926720 +19 21 19.09512           M3V 14 0
232 Cl* NGC 2632 HSHJ 14B * 08 31 16.9360330421 +19 21 19.721311646           ~ 2 0
233 Cl* NGC 2632 JS 102 Er* 08 35 56.9481873844 +20 49 34.732649951   12.64 11.85     K0V: 45 0
234 Gaia DR3 664625302632292224 * 08 35 56.9860772333 +20 49 33.575200687           ~ 1 0
235 Cl* NGC 2632 JS 141A * 08 36 39.4703162061 +20 22 33.739676224           ~ 11 0
236 Cl* NGC 2632 JS 141B * 08 36 39.4792283167 +20 22 34.516881699           ~ 2 0
237 UCAC4 538-047707 * 08 37 13.8420586128 +17 30 48.731322780       13.26   ~ 15 0
238 2MASS J08371388+1730487 ** 08 37 13.88376 +17 30 48.7800           ~ 6 0
239 UCAC4 538-047708 * 08 37 14.0263646808 +17 30 49.011158844       14.64   ~ 17 0
240 UCAC4 549-045376 * 08 38 13.9291005763 +19 47 23.026785151       15.433   ~ 19 0
241 Cl* NGC 2632 JC 121 BD? 08 38 14.2257115398 +19 47 23.448939233       14.215 12.49 ~ 29 0
242 Cl* NGC 2632 HSHJ 229B * 08 38 51.0117664850 +19 18 33.096759490           ~ 12 0
243 Cl* NGC 2632 HSHJ 229A * 08 38 51.0312228163 +19 18 33.933407653           ~ 8 0
244 Cl* NGC 2632 JC 159B Er* 08 39 23.3766408936 +18 39 56.096444448           ~ 19 0
245 Cl* NGC 2632 JC 159 Er* 08 39 23.4768023459 +18 39 59.310707935   19.17 16.29     M2 25 0
246 NGC 2632 OpC 08 39 58.4 +19 36 33           ~ 1733 0
247 BD+20 2160 SB* 08 40 12.3183004632 +19 38 22.320363696   10.45 9.86     F5V 63 0
248 BD+20 2160B * 08 40 12.4238094360 +19 38 18.150886356           ~ 13 0
249 Cl* NGC 2632 JC 201B * 08 40 21.3016818048 +19 10 52.150773324           ~ 17 0
250 Cl* NGC 2632 JC 201A * 08 40 21.3366405509 +19 10 54.533553062           ~ 19 0
251 Gaia DR3 661303471847393664 * 08 40 39.3948207720 +19 42 54.304620948           ~ 6 0
252 Gaia DR2 661303471844671104 * 08 40 39.4162650432 +19 42 55.548597816           ~ 16 0
253 2MASS J08403942+1942553 ** 08 40 39.42120 +19 42 55.3608           M4.0 12 0
254 Cl* NGC 2632 JS 392A * 08 40 53.7937809672 +19 59 56.195560824           ~ 17 0
255 Cl* NGC 2632 JS 392B * 08 40 53.9310048960 +19 59 55.260285324           ~ 17 0
256 Cl* NGC 2632 JC 237 * 08 41 09.7955670064 +19 56 07.234892089   14.51 13.48     K5.6 52 0
257 UCAC4 550-045990 * 08 41 10.5239933088 +19 56 06.686180736           M2.6 31 0
258 V* HI Cnc ** 08 41 18.395592 +19 15 39.56328   9.01 8.82 8.75   A7Vn 71 0
259 V* HI Cnc A * 08 41 18.3973537032 +19 15 39.572998740   8.26 8.03     ~ 15 0
260 V* HI Cnc B * 08 41 18.4339813728 +19 15 37.472578668   10.72 10.18     ~ 8 0
261 ** BOV 49B * 08 41 30.6032579832 +18 52 17.870942676           ~ 9 0
262 Cl* NGC 2632 KW 401 Er* 08 41 30.7065278468 +18 52 18.719809334   13.649 12.727     K3.1 49 0
263 ** RAO 123A * 08 42 25.9849845144 +21 13 51.012332724           ~ 8 0
264 UCAC4 557-045522 ** 08 42 25.998648 +21 13 51.17700       16.08   M4V 10 0
265 ** RAO 123B * 08 42 26.0714490624 +21 13 51.047050692           ~ 9 0
266 Cl* NGC 2632 JS 519 Er* 08 43 07.4210802158 +19 14 15.134519195       16.361   ~ 20 0
267 2MASS J08430744+1914192 Er* 08 43 07.4473841328 +19 14 19.293255780           ~ 20 0
268 ** RAO 124B * 08 44 53.8236368304 +21 37 09.087519576           ~ 8 0
269 UCAC4 559-046488 Er* 08 44 53.8688731296 +21 37 06.605920272       16.10   M1.6 29 0
270 UCAC4 567-043746 * 08 48 56.2596711864 +23 19 56.566320348   16.37 14.90 14.62   ~ 9 0
271 Gaia DR3 689285355576359168 * 08 48 56.2755767856 +23 19 57.617643936           ~ 4 0
272 NAME TW Hya Association As* 11 01.9 -34 42           ~ 1018 0
273 CD-34 7390A TT* 11 21 17.2193334624 -34 46 45.503251608   12.88 11.46 11.43 9.57 M1Ve 111 0
274 CD-34 7390B TT* 11 21 17.4430606440 -34 46 49.775810700   13.43 11.96 11.31 9.88 M1Ve 84 0
275 HD 103742 PM* 11 56 42.3106974888 -32 16 05.365130232   8.28 7.64     G3V 68 1
276 HD 103743 PM* 11 56 43.7786138544 -32 16 02.693707932   8.48 7.81     G4V 77 1
277 HD 108574 PM* 12 28 04.4448448032 +44 47 39.516497484   7.98 7.43 7.1   F9V 72 0
278 HD 108575 PM* 12 28 04.7988692760 +44 47 30.500372364   8.67 8.00 7.6   G8pCN 65 0
279 NAME beta Pic Moving Group MGr 14 30 -42.0           ~ 894 0
280 NAME Upper Sco-Cen As* 16 15 -24.2           ~ 1497 1
281 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3969 1
282 TYC 8726-1327-1 LM* 16 57 20.2671636792 -53 43 31.584535032           M3 34 0
283 2MASS J16572144-5343277 PM* 16 57 21.4356250056 -53 43 27.851793996           ~ 5 0
284 HD 155555 RS* 17 17 25.5053342232 -66 57 03.732141636 7.795 7.499 6.723   6.39 G5V+K1V 292 1
285 HD 155555C Y*? 17 17 31.2882831192 -66 57 05.470945380   14.36 12.82 12.33   M3Ve 70 1
286 HD 164249 PM* 18 03 03.4097283792 -51 38 56.432149872   7.438 7.007 7.90   F6V 142 0
287 HD 164249B PM* 18 03 04.1019089352 -51 38 56.194924920     12.50     M2Ve 27 0
288 V* V390 Pav SB* 21 21 24.4939911360 -66 54 57.365639064   9.95 8.766   7.515 K2V 68 0
289 PM J21214-6655 LM* 21 21 28.7195632968 -66 55 06.270466728   11.94 10.595 10.244   K7V 40 0
290 Gaia DR3 2709158687624627584 * 22 30 54.1320192528 +06 09 15.274730376           ~ 3 0
291 UCAC4 481-134481 * 22 30 54.9093259008 +06 09 14.023247904   12.690 12.183 11.784   ~ 6 0
292 BD-06 6037 * 22 38 32.8439415864 -06 12 49.223308032   11.21 10.52     ~ 11 0
293 UCAC4 419-146881 * 22 38 32.9157278378 -06 12 42.604814698       13.172   ~ 2 0
294 UCAC2 25675386 Ro* 22 39 53.5029803928 -16 36 23.238410112   12.68 11.81 11.55 10.77 ~ 12 0
295 Gaia DR3 2596395764377286272 * 22 39 53.7194751096 -16 36 24.123381804           ~ 1 0
296 TYC 5237-558-1 * 22 43 16.8802769736 -03 03 06.447718224   11.59 11.03     ~ 7 0
297 Gaia DR3 2625503165766158848 * 22 43 17.1519181560 -03 03 09.580936248           ~ 1 0
298 Gaia DR3 2612073082202424320 * 22 52 26.6891517360 -05 05 13.228671948           ~ 3 0
299 Gaia DR3 2612073116562162304 * 22 52 26.8540674600 -05 05 12.325168500           ~ 5 0
300 2MASS J23253204+0332347 * 23 25 32.0430584880 +03 32 34.908684432   14.3   13.1   ~ 4 0
301 UCAC4 468-140745 * 23 25 32.8063560672 +03 32 42.641712528       12.874   ~ 6 0
302 NAME Carina-near Moving Group MGr ~ ~           ~ 118 0
303 NAME Carina Moving Group MGr ~ ~           ~ 66 0
304 NAME Psc-Eri Stream St* ~ ~           ~ 70 0

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