Open Access
Table A.1.
Comparison of the different masks for the LoTSS-DR2. The full sky with a HEALPIX resolution of Nside = 256 has 786 432 cells.
Mask | Ncell | fsky | N | Description |
---|---|---|---|---|
% | ||||
MOC | 107 814 | 13.7 | 4 370 692 | Coverage defined by MOC |
5s | 105 958 | 13.5 | 4 367 156 | MOC & Exclude cells with less than five sources & Appendix B |
99 | 104 898 | 13.3 | 4 353 229 | Mask 5s & Exclude cells with Srms > 0.27 mJy beam−1 |
75 | 79 468 | 10.1 | 3 768 962 | Mask 5s & Exclude cells with Srms > 0.11 mJy beam−1 |
50 | 52 979 | 6.7 | 2 868 431 | Mask 5s & Exclude cells with Srms > 0.07 mJy beam−1 |
d | 84 625 | 10.7 | 3 685 561 | Mask 5s & Exclude area outside of outer pointing centres |
1219 | 98 746 | 12.5 | 4 176 162 | Mask 5s & Include cells with θ1 < 1.2 deg, θ2 < 1.9 deg |
1017 | 82 011 | 10.4 | 3 494 360 | Mask 5s & Include cells with θ1 < 1.0 deg, θ2 < 1.7 deg |
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