Table 1
Candidate field parameters.
| Field name | N src | Declination | Coverage | Ext. cal. | In-beam cal. |
|
|
|||||
| Lockman Hole/XMM (Ibar et al. 2009) | 1450 | +57° | good | 1.27° | possible |
| COSMOS (Schinnerer et al. 2007) | 3643 | +2° | superb | 3.01° | no |
| ATLAS/CDFS (Norris et al. 2006) | 726 | −28° | superb | 1.87° | yes |
| Subaru/XMM (Simpson et al. 2006) | 512 | −5° | good | 1.46° | possible |
| Lockman Hole/North (Owen & Morrison 2008) | 2056 | +59° | poor | 2.23° | no |
| ELAIS N2 (Ciliegi et al. 1999) | 305 | +41° | medium | 1.49° | possible |
| ELAIS N1 (Ciliegi et al. 1999) | 361 | +54° | medium | 2.24° | possible |
Notes. Given is the number of sources found in arcsec resolution observations at 1.4 GHz, Nsrc, the field declination, quality of the multi-wavelength coverage, the separation to the nearest listed calibrator and the availability of a potential in-beam calibrator.
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