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