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Table 2.

Photospheric properties from the UVES spectra fit with ROTFIT for the targets in the Orion OB1 Association and σ-Orionis cluster.

Name Epoch HJD Teff log g SpT v sin i RV r500 r550 r600 r650
2 459 100+ [K] [km s−1] [km s−1]
CVSO 17 ep1 81.63530 3721 ± 72 4.84 ± 0.11 M1V 7.2 ± 0.8 25.89 ± 0.55 0.00 ± 0.00 0.01 ± 0.02 0.24 ± 0.14 0.20 ± 0.10
CVSO 17 ep2 82.62335 3697 ± 88 4.85 ± 0.11 M1V 7.4 ± 0.7 25.40 ± 0.74 0.02 ± 0.04 0.06 ± 0.06 0.18 ± 0.14 0.23 ± 0.10
CVSO 17 ep3 83.66124 3695 ± 88 4.85 ± 0.11 M1V 7.7 ± 0.6 25.31 ± 0.74 0.01 ± 0.03 0.04 ± 0.05 0.12 ± 0.20 0.25 ± 0.09
CVSO 36 ep1 85.68189 3702 ± 88 4.84 ± 0.11 M1V 3.0 ± 0.5 19.05 ± 0.47 0.00 ± 0.00 0.00 ± 0.00 0.18 ± 0.08 0.21 ± 0.03
CVSO 36 ep2 86.62187 3696 ± 91 4.84 ± 0.11 M1V 2.8 ± 0.7 18.95 ± 0.47 0.00 ± 0.00 0.00 ± 0.00 0.17 ± 0.06 0.12 ± 0.04
CVSO 36 ep3 87.63843 3662 ± 69 4.84 ± 0.11 M1V 3.0 ± 0.6 19.24 ± 0.52 0.00 ± 0.00 0.00 ± 0.00 0.11 ± 0.06 0.12 ± 0.04
CVSO 58 ep1 83.61246 4193 ± 103 4.67 ± 0.10 K7V 17.4 ± 1.1 22.29 ± 0.63 0.81 ± 0.26 0.85 ± 0.11 0.54 ± 0.05 0.63 ± 0.12
CVSO 58 ep2 84.61185 4211 ± 110 4.66 ± 0.10 K7V 17.1 ± 1.6 19.87 ± 0.59 0.76 ± 0.26 0.87 ± 0.14 0.55 ± 0.05 0.61 ± 0.08
CVSO 58 ep3 85.60270 4223 ± 105 4.66 ± 0.11 K7V 17.9 ± 1.3 23.65 ± 0.67 0.81 ± 0.22 0.81 ± 0.04 0.59 ± 0.12 0.59 ± 0.10
CVSO 107 ep1 86.66418 3988 ± 118 4.68 ± 0.10 K8V 7.7 ± 0.9 17.29 ± 0.52 0.68 ± 0.24 0.86 ± 0.16 0.67 ± 0.12 0.74 ± 0.18
CVSO 107 ep2 87.60273 3943 ± 93 4.69 ± 0.10 M0V 6.9 ± 0.9 15.33 ± 0.48 0.67 ± 0.24 0.85 ± 0.22 0.63 ± 0.08 0.72 ± 0.18
CVSO 107 ep3 88.65286 4002 ± 119 4.68 ± 0.10 M0V 5.9 ± 0.9 14.73 ± 0.44 0.71 ± 0.27 0.98 ± 0.11 0.70 ± 0.00 0.71 ± 0.14
CVSO 109 ep1 79.65665 3898 ± 112 4.70 ± 0.11 M0V 3.5 ± 1.1 16.99 ± 0.40 0.25 ± 0.11 0.55 ± 0.10 0.43 ± 0.05 0.44 ± 0.08
CVSO 109 ep2 80.63793 3922 ± 106 4.69 ± 0.11 M0V 3.3 ± 1.0 16.72 ± 0.41 0.26 ± 0.14 0.45 ± 0.10 0.39 ± 0.06 0.42 ± 0.12
CVSO 109 ep3 81.67743 3948 ± 91 4.69 ± 0.11 M0V 3.2 ± 0.9 15.98 ± 0.38 0.71 ± 0.23 0.90 ± 0.08 0.69 ± 0.05 0.67 ± 0.14
CVSO 176 ep1 87.68387 3495 ± 85 4.89 ± 0.11 M3V 19.0 ± 1.8 7.42 ± 1.34 0.66 ± 0.15 0.72 ± 0.28 0.90 ± 0.55 0.93 ± 0.60
CVSO 176 ep2 88.61053 3503 ± 82 4.86 ± 0.10 M3V 18.4 ± 1.0 10.04 ± 1.25 0.39 ± 0.10 0.33 ± 0.18 0.57 ± 0.40 0.60 ± 0.38
CVSO 176 ep3 89.59468 3521 ± 77 4.86 ± 0.10 M3V 18.4 ± 1.2 10.65 ± 1.27 0.25 ± 0.05 0.34 ± 0.16 0.63 ± 0.40 0.68 ± 0.48
SO 518 ep1 82.66445 4328 ± 168 4.66 ± 0.11 K7V 12.6 ± 0.7 30.98 ± 0.43 2.27 ± 0.14 2.12 ± 0.16 1.46 ± 0.11 1.28 ± 0.13
SO 518 ep2 83.70244 4383 ± 141 4.63 ± 0.10 K7V 13.3 ± 0.9 30.42 ± 0.50 1.44 ± 0.18 1.44 ± 0.09 1.04 ± 0.09 0.98 ± 0.04
SO 518 ep3 84.65642 4366 ± 150 4.63 ± 0.10 K6V 14.0 ± 1.1 32.83 ± 0.61 1.38 ± 0.17 1.23 ± 0.12 0.93 ± 0.08 0.89 ± 0.08
SO 583 ep1 82.68932 4753 ± 119 4.65 ± 0.11 K3V 8.7 ± 0.9 30.97 ± 0.28 0.24 ± 0.12 0.40 ± 0.00 0.40 ± 0.17 0.43 ± 0.08
SO 583 ep2 83.64056 4739 ± 118 4.58 ± 0.10 K3V 10.0 ± 1.0 30.95 ± 0.30 0.32 ± 0.11 0.53 ± 0.14 0.52 ± 0.11 0.55 ± 0.11
SO 583 ep3 84.63973 4725 ± 117 4.59 ± 0.10 K4V 10.8 ± 1.5 29.61 ± 0.34 0.49 ± 0.21 0.95 ± 0.07 0.84 ± 0.05 0.80 ± 0.07

Notes. Values obtained fitting the UVES spectra with the HARPS templates. The measured veiling at different wavelengths is reported in the column labelled ‘r’ followed by the wavelength in nm.

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