2020AJ....159..105L

Query : 2020AJ....159..105L

2020AJ....159..105L - Astron. J., 159, 105-105 (2020/March-0)

Discovery of two nearby post-T Tauri stellar associations.

LIU J., FANG M. and LIU C.

Abstract (from CDS):

In this work we report the discovery of two new stellar associations in close vicinity of the Sun at roughly 180 and 150 pc. These two associations, u Tau assoc and e Tau assoc, were detected based on their clustering in a multi-dimensional parameter space including α, δ, µα, µδ, and p of Gaia. The fitting of pre-main-sequence model isochrones in their color-magnitude diagrams suggests that the two associations are of about 50 Myr old and the group members lower than ∼0.8 M☉ are at the stage of post-T Tauri.

Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.

Journal keyword(s): Pre-main sequence - Pre-main sequence stars - Young star clusters

VizieR on-line data: <Available at CDS (J/AJ/159/105): table1.dat table2.dat>

Nomenclature: NAME u Tau Association. NAME e Tau Association.

Simbad objects: 158

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Number of rows : 158
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 Gaia DR3 9509336766831744 * 03 22 01.1435072238 +06 30 28.110102409           ~ 1 0
2 HD 21194 Em* 03 25 26.9679792345 +08 25 37.728657153   10.00 9.49     F5 15 0
3 Gaia DR3 3275316947256508160 * 03 26 56.6137288169 +04 02 35.874957124           ~ 1 0
4 BD+06 533 * 03 27 57.9136159245 +07 15 18.173852203   10.42 9.97     F8 5 0
5 2MASS J03300964+1419314 * 03 30 09.6565480524 +14 19 31.358196234           ~ 2 0
6 2MASS J03324777+1528240 * 03 32 47.7822215370 +15 28 24.020335324           ~ 2 0
7 V* V1267 Tau TT* 03 33 11.6210437145 +10 35 56.071180385     12.23     K3 22 0
8 HD 22073 * 03 33 46.4835719621 +08 17 26.076725457   9.02 8.70     A5 21 0
9 2MASS J03350086+1539436 * 03 35 00.8724386399 +15 39 43.523168122           ~ 2 0
10 2MASS J03352860+0811571 * 03 35 28.6125937136 +08 11 57.171178078           ~ 2 0
11 UCAC4 515-005706 * 03 35 34.8847933202 +12 53 01.108458142   15.832 14.318 14.403   ~ 2 0
12 2MASS J03360640+1307422 * 03 36 06.4096681081 +13 07 42.167485986           ~ 2 0
13 Gaia DR2 3274385076792329600 * 03 36 14.1980861411 +03 55 37.329717214           ~ 1 0
14 TYC 67-1230-1 * 03 36 23.8621043833 +03 55 38.802018653   13.12 12.36     ~ 3 0
15 2MASS J03364987+1908056 * 03 36 49.8674705187 +19 08 05.613361485           ~ 2 0
16 Gaia DR3 3275975863959274752 * 03 37 06.2646403418 +05 49 49.201535137           ~ 1 0
17 UCAC4 516-006144 * 03 37 13.3839028965 +13 07 31.309928750       14.001   ~ 4 0
18 2MASS J03371793+0847343 * 03 37 17.9370813392 +08 47 34.504271660           ~ 2 0
19 Gaia DR3 3277897741565006976 * 03 37 31.7421574482 +07 33 05.310803920           ~ 1 0
20 UCAC4 536-006768 * 03 37 35.0853445462 +17 05 16.291689349   14.834 13.562 13.322   ~ 6 0
21 TYC 660-709-1 * 03 38 18.2377682025 +10 20 16.710289042   12.04 11.30     G9 18 0
22 UCAC4 502-005346 * 03 38 49.0237178309 +10 21 48.439499820           ~ 2 0
23 UCAC4 533-006720 * 03 38 52.3042544442 +16 35 40.614394941           ~ 2 0
24 Gaia DR3 3275991188402579584 * 03 38 54.0711446889 +05 53 39.159632933           ~ 2 0
25 UCAC4 498-005672 * 03 39 10.4249647859 +09 27 57.086232207   13.842 12.781 12.469   ~ 2 0
26 Gaia DR3 3275104191756729728 * 03 39 24.7425455357 +04 54 47.347606822           ~ 2 0
27 TYC 1235-156-1 * 03 39 39.4881259351 +15 29 54.888431749   12.38 11.36     ~ 5 0
28 BD+12 500 Em* 03 40 09.9611381390 +13 11 55.450367435   10.74 10.02     F7 20 0
29 Gaia DR3 11888473771374848 * 03 40 34.2551621339 +09 06 51.298274544           ~ 1 0
30 ZTF J034036.99+111732.9 BY* 03 40 36.9620900193 +11 17 33.364352662   16.005 14.561 14.257   ~ 4 0
31 HD 22903 Em* 03 40 48.4381843368 +04 19 01.422517561   8.73 8.52     A1V 9 0
32 TYC 663-362-1 Em* 03 40 57.7549199726 +13 09 03.444617663   11.285 10.685 10.562   G1 13 0
33 Gaia DR3 3274716064152131584 * 03 40 59.5968366104 +03 58 38.789398732           ~ 2 0
34 ATO J055.2729+05.4538 V* 03 41 05.4809863379 +05 27 14.055774845       15.983   ~ 3 0
35 UCAC4 497-005180 * 03 41 07.9282419112 +09 17 05.211177882       15.920   ~ 2 0
36 Gaia DR3 3274845153689271552 * 03 41 21.0173490894 +04 30 54.547338357           ~ 2 0
37 Gaia DR3 3274725994116512128 * 03 41 25.8911144392 +04 10 07.823568946           ~ 2 0
38 TYC 660-135-1 * 03 41 45.9719946901 +10 54 27.863033999   12.67 11.51     ~ 4 0
39 UCAC4 533-006865 * 03 42 03.5902823175 +16 31 39.184432609   16.205 14.760 14.157   ~ 5 0
40 Gaia DR3 3276764076357778944 * 03 42 09.9772889134 +06 13 30.182806030           ~ 2 0
41 Gaia DR3 3271397600621973120 * 03 43 00.4337120108 +03 03 22.773689754           ~ 1 0
42 2MASS J03433413+0701547 * 03 43 34.1359758615 +07 01 54.617573179           ~ 3 0
43 HD 23248 * 03 43 39.7234797528 +04 12 45.570960736   9.34 9.07     A5II/III 9 0
44 TYC 71-674-1 * 03 43 48.8989827166 +06 22 09.938730307   12.58 11.58     ~ 4 0
45 Gaia DR3 36103396308075776 * 03 43 51.9501532816 +10 05 17.959017049           ~ 1 0
46 2MASS J03441728+1118090 * 03 44 17.2838985845 +11 18 09.089397724           ~ 2 0
47 MUTA 130 B * 03 44 28.5747618438 +07 16 10.445613101           ~ 2 0
48 2MASS J03442859+0716100 LM* 03 44 28.590 +07 16 10.08           M4 3 0
49 UCAC4 508-006083 * 03 44 30.2272198753 +11 30 03.583373949   16.363 14.875 14.612   ~ 2 0
50 2MASS J03443526+1257315 * 03 44 35.2737405624 +12 57 31.621300621           ~ 3 0
51 Gaia DR3 3276494111894881536 * 03 44 39.7680473740 +05 37 30.154101274           ~ 2 0
52 UCAC4 499-005560 * 03 44 42.9317189674 +09 44 15.102949310   17.169 15.663 15.050   ~ 2 0
53 V* V1273 Tau Or* 03 44 53.1685571012 +03 59 30.951843293   12.77 12.60     K1e 22 0
54 HD 23376 ** 03 44 58.9296071021 +08 19 10.465375397           G5 29 0
55 HD 23376B * 03 44 59.0202302309 +08 19 14.183376090       10.539   ~ 2 0
56 2MASS J03450918+0612030 * 03 45 09.2033138517 +06 12 03.028462001           ~ 3 0
57 2MASS J03451333+0836589 * 03 45 13.3374035275 +08 36 58.928578456           ~ 2 0
58 Gaia DR3 3276386050517837696 * 03 45 36.5640470745 +05 11 09.752379719           ~ 2 0
59 * u Tau SB* 03 45 40.4433670200 +06 02 59.985349222   5.225 5.337     B3V 139 0
60 2MASS J03454104+0602349 * 03 45 41.0442087594 +06 02 34.814463056           ~ 3 0
61 UCAC4 481-005399 * 03 45 42.6899178379 +06 03 03.868161418           ~ 3 0
62 UCAC4 481-005400 * 03 45 44.4036245749 +06 03 28.243482267   13.471 12.629 12.444   ~ 3 0
63 Gaia DR3 3276490121867896448 * 03 45 45.7587077318 +05 44 01.949094459           ~ 2 0
64 TYC 658-828-1 Em* 03 45 52.1172317144 +08 32 27.256010833   12.38 11.45     G8 9 0
65 2MASS J03460029+0836331 * 03 46 00.3052274548 +08 36 33.242297415           ~ 2 0
66 2MASS J03460544+0553074 * 03 46 05.4460798098 +05 53 07.365419175           ~ 3 0
67 Gaia DR3 3276584478006772224 * 03 46 07.4745595039 +05 48 09.960325577           ~ 2 0
68 Gaia DR3 50970717660507008 * 03 46 45.5122179725 +19 11 20.122327639           ~ 2 0
69 UCAC4 486-005405 * 03 46 52.1117921653 +07 04 40.993912407   16.646 15.281 14.998   ~ 2 0
70 2MASS J03465422+0720390 * 03 46 54.2269545573 +07 20 38.997893870           ~ 2 0
71 2MASS J03465779+0956432 * 03 46 57.7925189945 +09 56 43.204027514           ~ 2 0
72 Gaia DR3 3276527406481433600 * 03 46 58.6973689891 +05 34 09.789526850           ~ 2 0
73 UCAC4 478-005737 * 03 47 11.4428721632 +05 26 23.457410171       15.473   ~ 2 0
74 2MASS J03472334+1533235 * 03 47 23.3541876604 +15 33 23.552409258           ~ 3 0
75 2MASS J03472378+1648282 * 03 47 23.7844902275 +16 48 28.205567253           ~ 3 0
76 Gaia DR3 3276620315213926400 * 03 47 30.7850829978 +06 07 31.570557554           ~ 2 0
77 BD+07 543 * 03 47 31.3184214546 +07 57 26.774685711   11.01 10.41     F8 4 0
78 2MASS J03475024+0617499 * 03 47 50.2570633204 +06 17 49.861038061           ~ 3 0
79 2MASS J03475182+1043255 * 03 47 51.8227534482 +10 43 25.544253931           ~ 2 0
80 TYC 661-560-1 Em* 03 47 53.6713491533 +11 48 58.369823641   10.68 10.08     F6 3 0
81 TYC 71-542-1 * 03 47 56.8432696156 +06 16 06.877806719   12.74 12.09     G2 14 0
82 2MASS J03481036+1608419 * 03 48 10.3654845798 +16 08 41.972499605           ~ 3 0
83 * e Tau Pu* 03 48 16.2667734169 +11 08 35.876140629 4.34 4.94 5.07     B3V 130 0
84 * e Tau B * 03 48 16.8088042229 +11 08 40.550556846           F3Vn 10 0
85 Gaia DR2 3276624227927031296 * 03 48 31.3940240447 +06 10 42.588532767           ~ 1 0
86 TYC 658-922-1 Em* 03 48 31.4348421383 +08 31 36.783778121   11.66 11.01     F9 19 0
87 UCAC4 512-005823 * 03 48 44.2082342581 +12 13 11.842607379   15.227 13.860 13.489   K7 3 0
88 2MASS J03485224+0620302 * 03 48 52.2529843634 +06 20 30.201860417           ~ 2 0
89 2MASS J03485472+0727538 * 03 48 54.7258073620 +07 27 53.886634701           ~ 2 0
90 UCAC4 464-005459 * 03 49 22.4323874048 +02 42 20.895153307   15.344 13.988 13.585   ~ 2 0
91 UCAC4 503-006003 * 03 49 41.9802870225 +10 35 25.883007582   17.843 16.304     ~ 2 0
92 HD 23990 * 03 49 46.4941873182 +09 24 26.986474742 6.580 6.730 6.760     B9 27 0
93 2MASS J03495031+1440552 * 03 49 50.3215899067 +14 40 55.105013104           ~ 3 0
94 2MASS J03500539+1204146 * 03 50 05.3995558024 +12 04 14.548610702           ~ 3 0
95 UCAC4 508-006299 * 03 50 17.1942160111 +11 29 44.687582908           ~ 2 0
96 2MASS J03502412+0602279 * 03 50 24.1231036725 +06 02 27.746371371           ~ 2 0
97 2MASS J03502840+1631151 TT* 03 50 28.4097520030 +16 31 15.138300881   11.23 10.53     G5IV 14 0
98 UCAC4 520-006717 * 03 50 28.8057503165 +13 56 12.530661221   16.981 15.515 15.196   ~ 3 0
99 2MASS J03503310+0855492 * 03 50 33.0973214901 +08 55 49.283824526           ~ 2 0
100 UCAC4 510-006005 * 03 50 44.0095944874 +11 48 32.887814106           ~ 2 0
101 BD+10 496 Em* 03 50 50.5324367178 +11 00 05.493897992   10.85 10.28     F7 12 0
102 2MASS J03505375+1042075 * 03 50 53.7505183113 +10 42 07.452069049           ~ 2 0
103 2MASS J03510528+1431333 * 03 51 05.2752406382 +14 31 33.437871841           ~ 3 0
104 2MASS J03510854+0829205 * 03 51 08.5447249606 +08 29 20.686757392           ~ 2 0
105 2MASS J03511041+1302467 * 03 51 10.4286917967 +13 02 46.518417253           ~ 3 0
106 V* V766 Tau a2* 03 51 15.8708072234 +13 02 45.875628119 5.88 6.32 6.38 6.36 6.39 B9pS 106 0
107 NSVS 9386318 * 03 51 39.6471963181 +14 47 48.203897044   12.25 11.55 11.76   ~ 14 2
108 UCAC4 486-005598 * 03 52 35.8754914210 +07 09 20.404360260           ~ 2 0
109 HD 24456 * 03 53 30.2287425010 +02 07 08.890777102   6.67 6.72     B9V 21 0
110 TYC 72-816-1 * 03 53 47.6583949209 +05 42 23.408998390   13.50 12.15     ~ 4 0
111 Gaia DR3 3270377941026192768 * 03 54 01.5546362464 +02 29 02.554841983           ~ 1 0
112 TYC 72-620-1 Em* 03 54 03.2359916402 +05 25 51.744030732   12.41 11.09     G5 2 0
113 UCAC4 474-005540 * 03 54 49.6489635107 +04 37 26.806274079   17.445 15.925 15.324   ~ 2 0
114 BD+05 560 Em* 03 55 05.1381601288 +05 40 47.367387714   9.98 9.59     F0 5 0
115 Gaia DR3 3301633517550972032 * 03 55 14.5359746853 +08 47 59.930405669           ~ 1 0
116 2MASS J03552065+0955146 * 03 55 20.6526307689 +09 55 14.643285679           ~ 2 0
117 2MASS J03554401+0918030 * 03 55 44.0266394333 +09 18 03.009590435           ~ 2 0
118 Gaia DR3 3274101952549519232 * 03 55 55.1621886051 +06 51 13.860156288           ~ 1 0
119 HD 286374 Em* 03 56 19.1985555815 +11 25 11.211275315   10.67 10.07     F5 11 0
120 HD 286380 Em* 03 56 20.7151447840 +10 47 47.634475155   11.12 10.50     G5 8 0
121 2MASS J03564937+1010254 * 03 56 49.3712913328 +10 10 25.379037556           ~ 2 0
122 TYC 665-150-1 Em* 03 57 21.3821081559 +12 58 16.751428509   11.55 10.77     G0 27 0
123 UCAC4 509-006036 * 03 57 38.7618308610 +11 42 32.212206027   16.851 15.232 15.038   ~ 3 0
124 2MASS J03574260+0551215 * 03 57 42.6009180267 +05 51 21.555709593           ~ 2 0
125 2MASS J03581272+0932223 TT* 03 58 12.7238624071 +09 32 22.353214542     12.29     K3 18 0
126 2MASS J03585948+0605315 * 03 58 59.4772941933 +06 05 31.561001256           ~ 2 0
127 2MASS J03590008+0350125 * 03 59 00.0874171335 +03 50 12.594985516           ~ 2 0
128 Gaia DR3 3259900660364779392 * 03 59 04.1693546095 +02 52 50.720604297           ~ 1 0
129 UCAC4 492-005989 * 03 59 15.2477441718 +08 17 20.197631492   15.482 14.036 13.689   ~ 2 0
130 TYC 662-217-1 * 03 59 42.1328848445 +12 10 08.526797618   11.81 11.11     ~ 11 0
131 UCAC4 509-006145 * 04 00 00.9833674464 +11 36 40.397274918           ~ 2 0
132 2MASS J04000304+0839111 * 04 00 03.0436906795 +08 39 11.026029524           ~ 2 0
133 UCAC4 463-005818 * 04 00 31.7833550356 +02 35 33.389376036           ~ 2 0
134 UCAC4 497-005866 * 04 00 37.8896696577 +09 21 59.499380660           ~ 2 0
135 2MASS J04011013+0824204 * 04 01 10.1357705928 +08 24 20.391272311           ~ 2 0
136 BD+08 616 * 04 01 21.3573768809 +09 20 01.429782059   10.58 9.86     F8 15 0
137 ATO J060.3467+03.7086 EB* 04 01 23.1948906892 +03 42 31.458374088           ~ 5 0
138 2MASS J04021281+0817400 * 04 02 12.8138911485 +08 17 40.095580261           ~ 2 0
139 UCAC4 499-006293 * 04 02 47.4168926696 +09 46 34.005874449   16.037 14.678 14.313   ~ 2 0
140 Gaia DR3 3297800516936921344 * 04 02 57.1148158608 +06 22 59.103978806           ~ 1 0
141 2MASS J04033422+0617517 * 04 03 34.2335527752 +06 17 51.716473583           ~ 2 0
142 Gaia DR3 3298606905637432576 * 04 04 39.4854660914 +07 51 59.034367258           ~ 1 0
143 MUTA 231 A * 04 04 49.3587678814 +09 35 07.498918071           ~ 2 0
144 2MASS J04045070+0956109 * 04 04 50.7086232835 +09 56 10.959439067           ~ 2 0
145 2MASS J04051287+0710190 * 04 05 12.8696261603 +07 10 19.189757953           ~ 2 0
146 2MASS J04052254+0615339 * 04 05 22.5367271128 +06 15 33.709707194           ~ 2 0
147 Gaia DR3 3296973134437145984 * 04 05 44.6176278453 +06 00 49.859994873           ~ 1 0
148 2MASS J04064005+0856259 * 04 06 40.0651679189 +08 56 25.995486346           ~ 2 0
149 UCAC4 481-006107 * 04 07 00.8352371209 +06 07 07.968433554           ~ 2 0
150 TYC 666-80-1 * 04 09 47.5044312000 +07 48 03.636546368   11.26 10.44     ~ 5 0
151 HD 26323 Em* 04 10 06.8498684726 +07 41 52.441120214   8.98 8.62     B9 22 0
152 2MASS J04151163+0745505 * 04 15 11.6349407545 +07 45 50.411962512           ~ 3 0
153 * mu. Tau * 04 15 32.0568707393 +08 53 32.491567629 3.74 4.205 4.279     B3IV 160 0
154 2MASS J04154665+0921245 * 04 15 46.6588844879 +09 21 24.500202748           ~ 2 0
155 UCAC4 482-006704 * 04 18 36.0976148390 +06 14 39.851366774   15.834 14.394 14.183   ~ 5 0
156 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4971 0
157 NAME e Tau Association MGr ~ ~           ~ 20 0
158 NAME u Tau Association As* ~ ~           ~ 5 0

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