Table 5
PSF subtraction accuracy necessary for observations of the modeled debris disks.
| Run | ρ disk | F disk | ρ peak | F PSF | σ |
| [arcsec] |
|
[arcsec] |
|
[%] | |
|
|
|||||
| Ia | 1.0 | 21.8 | 1.4 | 90.0 | 2.4 |
| Ib | 1.0 | 55.6 | 1.4 | 90.0 | 6.2 |
| IIa (fo) | 2.0 | 1.3 | 1.4 | 2.1 | 6.2 |
| IIa (eo) | 2.0 | 1.1 | 1.4 | 2.1 | 5.2 |
| IIc (fo) | 2.6 | 0.6 | 2.3 | 0.2 | 30.0 |
| IIc (eo) | 3.0 | 1.3 | 3.2 | 0.2 | 65.0 |
| IId (fo) | 3.0 | 0.2 | 3.2 | 0.2 | 10.0 |
| IId (eo) | 3.0 | 0.9 | 3.2 | 0.2 | 45.0 |
Notes. The quantity ρdisk denotes the (projected) distance from the star at which the disk flux is measured (the brightest structures of intent), ρpeak denotes the distance from the star of the closest peak of the stellar PSF8, Fdisk and FPSF are the surface brightness of the disk and the PSF structures at the corresponding distances, and σ denotes the accuracy at which the stellar PSF has to be subtracted to reduce the PSF structures to 1/10 of the disk structure (i.e., 1/10 × Fdisk/FPSF). Values are given for a face-on (fo) and edge-on (eo) orientation of the disk.
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