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Table 3

Summary of the results for the 48 stars used for our new hot exozodiacal disk survey (excluding all binaries, and the data sets removed in Sect. 3).

Star Contrast Signif.
(%) (σ)
HD 203 0.96 ± 0.23 4.25 0.84
HD 2834 2.29 ± 0.85 2.69 5.69
HD 3126 − 0.01 ± 0.24 − 0.04 0.63
HD 4113 0.75 ± 0.20 3.82 0.63
HD 9672 0.30 ± 0.31 0.96 1.85
HD 10269 − 0.16 ± 0.14 − 1.15 0.31
HD 10939 0.35 ± 0.33 1.05 1.11
HD 15427 0.05 ± 0.18 0.28 0.46
HD 17848 1.21 ± 0.14 8.69 0.37
HD 23484 0.69 ± 0.25 2.71 0.74
HD 24649 1.14 ± 0.23 5.05 0.80
HD 28287 0.06 ± 0.32 0.19 1.36
HD 29137 0.23 ± 0.16 1.45 0.66
HD 36187(a) 1.95 ± 0.13 15.00 0.40
HD 37306 0.26 ± 0.15 1.75 0.49
HD 37484 0.28 ± 0.21 1.36 0.84
HD 38949 − 0.09 ± 0.18 − 0.51 0.71
HD 41278 0.40 ± 0.22 1.85 0.68
HD 44524 0.01 ± 0.20 0.05 0.66
HD 60491 0.44 ± 0.16 2.78 0.61
HD 61005 0.81 ± 0.12 6.70 0.36
HD 71722 0.37 ± 0.17 2.21 0.57
HD 76143 0.60 ± 0.18 3.33 0.47
HD 80883 1.43 ± 0.18 8.07 0.65
HD 89886(a) 0.92 ± 0.26 3.47 1.02
HD 90781 0.63 ± 0.16 3.98 0.41
HD 90874 0.34 ± 0.13 2.62 0.36
HD 92945 0.00 ± 0.18 0.00 0.51
HD 105850 − 0.06 ± 0.18 − 0.34 0.56
HD 105912 0.31 ± 0.15 2.08 0.45
HD 109573 0.35 ± 0.15 2.35 0.39
HD 109704 0.85 ± 0.12 7.03 0.34
HD 112603 0.41 ± 0.25 1.61 0.84
HD 117716 0.40 ± 0.18 2.26 0.44
HD 118972 0.16 ± 0.09 1.70 0.16
HD 136544 1.43 ± 0.35 4.04 1.16
HD 141943 −0.15 ± 0.19 −0.76 0.51
HD 161612 − 0.30 ± 0.12 −2.48 0.30
HD 174474 − 0.12 ± 0.20 −0.61 0.75
HD 179520 0.44 ± 0.24 1.79 0.76
HD 181327 0.48 ± 0.16 3.03 0.45
HD 185615 − 0.61 ± 0.31 −1.94 0.92
HD 191089 0.33 ± 0.48 0.68 2.29
HD 192758 0.12 ± 0.28 0.42 0.89
HD 196141 0.39 ± 0.20 1.99 0.58
HD 205674 0.43 ± 0.50 0.86 2.52
HD 220476 0.04 ± 0.18 0.23 0.49
HD 224228 0.27 ± 0.39 0.69 0.98

Notes. Stars showing a significant level of excess emission (significance higher than 3σ) are highlighted in gray. The reduced χ2 of the star+disk model fit to the data is given in the last column. (a)Not used in the statistical analysis due to insufficient mid- to far-infrared data.

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