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Table 1

Derived stellar and accretion parameters for the Chamaeleon I sample.

Object SpT Teff AV L⋆ log Lacc M⋆ log Ṁacc
[K] [mag] [L⊙] [L⊙] [M⊙] [M⊙/yr]
T3 K7 4060 2.6 0.18 −1.25 0.79 −8.62
T3-B M3 3415 1.3 0.19 −1.66 0.37 −8.53
T4† K7 4060 0.5 0.43 <−2.24 1.03 <−9.53
TW Cha K7 4060 0.8 0.38 −1.66 1.00 −8.96
CR Cha* K0 5110 1.3 3.26 −1.42 1.78 −8.71
T12 M4.5 3200 0.8 0.15 −2.12 0.23 −8.77
CT Cha A K5 4350 2.4 1.50 0.37 1.40 −6.85
ISO-ChaI 52† M4 3270 1.2 0.09 <−3.79 0.25 <−10.63
Hn5 M5 3125 0.0 0.05 −2.56 0.16 −9.27
T23 M4.5 3200 1.7 0.32 −1.65 0.33 −8.29
T24 M0 3850 1.5 0.40 −1.48 0.91 −8.68
Cha Hα1 M7.5 2795 0.0 0.00 −5.11 0.05 −11.69
Cha Hα9 M5.5 3060 4.8 0.03 −4.19 0.10 −10.85
Sz22 K5 4350 3.2 0.51 −1.03 1.09 −8.37
VW Cha K7 4060 1.9 1.64 −0.78 1.24 −7.86
ESO Hα562 M1 3705 3.4 0.12 −2.01 0.66 −9.32
T33-A† K0 5110 2.5 1.26 <−1.62 1.15 <−9.93
T33-B K0 5110 2.7 0.69 −1.32 0.95 −8.67
ISO-ChaI 143 M5.5 3060 1.3 0.03 −3.38 0.11 −10.02
Cha Hα6 M6.5 2935 0.1 0.07 −3.86 0.10 −10.25
T38 M0.5 3780 1.9 0.13 −2.02 0.71 −9.35
T40 M0.5 3780 1.2 0.55 −0.48 0.87 −7.61
T44 K0 5110 4.1 2.68 0.62 1.40 −6.60
T45a† K7 4060 1.1 0.34 <−2.59 0.97 <−9.91
ISO-ChaI 237 K5 4350 4.1 0.61 −2.47 1.15 −9.79
T49 M3.5 3340 1.0 0.29 −0.81 0.36 −7.56
CHX18N K2 4900 0.8 1.03 −0.74 1.17 −8.06
T51 K2 4900 0.1 0.64 −0.79 0.97 −8.13
T51-B M2 3560 0.5 0.09 −1.92 0.51 −9.12
T52 K0 5110 1.0 2.55 −0.19 1.40 −7.42
T54-A† K0 5110 1.2 2.51 <−2.29 1.40 <−9.53
Hn17† M4.5 3200 0.4 0.11 <−3.05 0.22 <−9.76
Hn18† M4 3270 0.8 0.11 <−3.05 0.26 <−9.85
Hn21W M4.5 3200 2.2 0.12 −2.40 0.22 −9.08

Notes.

(†)

Non-accreting objects according to the Hα line width at 10% of the peak and Hα line equivalent width. All stellar parameters have been derived using the Baraffe et al. (1998) evolutionary models apart from objects with a

(*)

symbol, for which the Siess et al. (2000) models were used.

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