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Table 1

Fundamental and atmospheric parameters, rotation, and kinematics of Class III sample.

Name SpT d Prot T eff log g R vsini RV WLi
[pc] [d] [K] [cm/s2] [R] [km s-1] [km s-1] [mÅ]

TWA 9A K5 −0.61 68 5.10 4333 ± 47 4.9 ± 0.8 0.87 14.2 ± 0.4 11.7 ± 0.4 498 ± 53
SO 879 K7 −0.29 360 ... 4021 ± 85 3.9 ± 0.5 1.47 10.0 ± 4.0 35.0 ± 1.3 599 ± 66
TWA 6 K7 −0.96 51 0.54 4020 ± 173 4.8 ± 0.5 0.68 76.8 ± 1.3 17.1 ± 1.5 485 ± 54
TWA 25 M0 −0.61 54 ... 3749 ± 60 4.7 ± 0.5 1.17 14.4 ± 0.5 8.8 ± 1.2 549 ± 58
TWA 14 M0.5 −0.83 96 0.63 3756 ± 99 4.7 ± 0.6 0.90 46.0 ± 0.7 14.9 ± 1.3 577 ± 59
TWA 13B M1 −0.70 59 5.35 3661 ± 103 4.6 ± 0.6 1.10 10.4 ± 1.1 11.2 ± 0.7 526 ± 57
TWA 13A M1 −0.61 59 5.56 3616 ± 87 4.8 ± 0.5 1.25 10.0 ± 0.7 10.0 ± 1.0 595 ± 65
TWA 2A M2 −0.48 47 ... 3533 ± 133 4.4 ± 0.4 1.53 18.0 ± 1.9 10.0 ± 1.1 536 ± 63
Sz 122* M2 −0.60 200 ... 3494 ± 126 4.6 ± 0.5 1.36 150.2 ± 2.7 18.1 ± 3.0 268 ± 54
TWA 9B M3 −1.17 68 3.98 3357 ± 67 4.5 ± 0.6 0.76 11.6 ± 2.2 11.0 ± 0.5 476 ± 57
TWA 15B M3 −0.96 111 0.72 3463 ± 129 4.6 ± 0.6 0.91 21.6 ± 0.9 11.8 ± 1.2 477 ± 65
TWA 7 M3 −1.14 28 5.05 3408 ± 85 4.4 ± 0.4 0.77 8.4 ± 1.3 8.4 ± 0.8 551 ± 64
TWA 15A M3.5 −0.95 111 0.65 3347 ± 125 4.5 ± 0.3 0.99 33.6 ± 0.9 10.1 ± 1.7 542 ± 62
Sz 121* M4 −0.34 200 ... 3286 ± 134 4.1 ± 0.3 2.07 84.8 ± 3.3 13.6 ± 2.5 575 ± 68
Sz 94 M4 −0.76 200 ... 3219 ± 101 4.3 ± 0.3 1.33 29.8 ± 2.7 6.4 ± 2.6 ...
SO 797 M4.5 −1.26 360 ... 3274 ± 136 3.9 ± 0.4 0.72 27.4 ± 0.9 32.0 ± 2.0 548 ± 67
SO 641 M5 −1.53 360 1.75 3176 ± 140 3.8 ± 0.4 0.56 12.5 ± 4.9 29.5 ± 3.8 554 ± 69
Par-Lup3-2 M5 −0.75 200 ... 3038 ± 101 3.7 ± 0.4 1.51 26.4 ± 4.7 4.4 ± 3.7 575 ± 72
SO 925 M5.5 −1.59 360 1.79 3113 ± 178 3.8 ± 0.4 0.55 20.8 ± 4.2 31.7 ± 4.4 530 ± 78
SO 999 M5.5 −1.28 360 0.95 3047 ± 131 3.8 ± 0.4 0.82 16.3 ± 4.0 31.2 ± 2.0 593 ± 84
Sz 107 M5.5 −0.79 200 ... 3045 ± 111 3.7 ± 0.3 1.44 72.5 ± 3.3 3.6 ± 4.8 532 ± 89
Par-Lup3-1 M6.5 −1.18 200 ... 2860 ± 106 3.6 ± 0.4 1.04 19.0 ± 2.0 4.9 ± 4.4 529 ± 177
TWA 26 M9 −2.70 42 ... 2476 ± 109 3.6 ± 0.5 0.24 34.9 ± 14.3 5.2 ± 9.8 578 ± 99
TWA 29 M9.5 −2.81 79 ... 2390 ± 109 3.6 ± 0.3 0.23 35.8 ± 17.2 7.7 ± 3.9 590 ± 133

Notes.

(*)

Fundamental and kinematic parameters of Sz 121 and Sz 122 are uncertain due to possible binarity.

(†)

Spectral type, bolometric luminosity and distance adopted from MTR 13.

(‡)

Rotation periods from Lawson & Crause (2005) for TWA members and from Cody & Hillenbrand (2010) for σ Ori members.

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