Table 1
Sensitivity limits (in magnitude difference between the target and a theoretical companion) achieved in the iSDSS band of the Calar Alto 2.2 m/AstraLux high-resolution images for 4 selection rates.
| Ang.Sep. | Sep.a | 1% | 2.5% | 5% | 10% | ΔFnew/ΔFold | ||||
| arcsec | AU | 3σ | 5σ | 3σ | 5σ | 3σ | 5σ | 3σ | 5σ | upper lim. |
|
|
||||||||||
| 0.20 |
|
0.00 | 0.00 | 0.00 | 0.00 | 0.06 | – | 0.03 | – | 1.974 |
| 0.30 |
|
1.06 | 0.11 | 0.94 | 0.00 | 1.12 | 0.13 | 1.10 | 0.08 | 1.362 |
| 0.40 |
|
1.56 | 0.59 | 1.47 | 0.53 | 1.58 | 0.59 | 1.51 | 0.52 | 1.248 |
| 0.50 |
|
2.85 | 1.09 | 2.29 | 1.00 | 2.30 | 1.01 | 2.03 | 0.91 | 1.154 |
| 0.60 |
|
4.14 | 1.75 | 3.75 | 1.47 | 3.66 | 1.55 | 3.29 | 1.40 | 1.048 |
| 0.70 |
|
4.79 | 2.78 | 4.44 | 2.44 | 4.30 | 2.40 | 4.02 | 2.11 | 1.025 |
| 0.80 |
|
5.11 | 3.16 | 4.96 | 3.04 | 4.85 | 2.99 | 4.58 | 2.83 | 1.015 |
| 0.90 |
|
5.48 | 3.55 | 5.27 | 3.38 | 5.23 | 3.38 | 5.05 | 3.28 | 1.010 |
| 1.00 |
|
5.54 | 3.74 | 5.62 | 3.76 | 5.58 | 3.73 | 5.42 | 3.63 | 1.007 |
| 1.10 |
|
5.64 | 3.99 | 5.76 | 4.02 | 5.81 | 4.01 | 5.76 | 3.96 | 1.005 |
| 1.20 |
|
5.64 | 4.18 | 5.86 | 4.25 | 5.96 | 4.28 | 6.00 | 4.27 | 1.004 |
| 1.30 |
|
5.64 | 4.33 | 5.85 | 4.42 | 6.03 | 4.52 | 6.13 | 4.52 | 1.004 |
| 1.40 |
|
5.58 | 4.39 | 5.81 | 4.55 | 6.03 | 4.69 | 6.20 | 4.74 | 1.003 |
| 1.50 |
|
5.54 | 4.46 | 5.76 | 4.64 | 5.94 | 4.78 | 6.14 | 4.87 | 1.004 |
Notes. We have assumed the distance measured in Sect. 3.3 to compute the physical separations in the second column. The last column illustrates the factor by which the transit depth (and thus planet radius) is modified according to the 3σ sensitivity limits of a 10% selection rate.
Separation in astronomical units (AU) assuming a distance of 
pc for KOI-2133 (see Sect. 5.1).
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