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Table B.2

LOFAR angular resolution.

Resolution
Freq. λ L = 320 m L = 2 km L = 100 km L = 1000 km
(MHz) (m) (arcsec) (arcsec) (arcsec) (arcsec)

15 20.0 10 310.00 1650.00 33.00 3.30
30 10.0 5157.00 825.00 16.50 1.65
45 6.67 3438.00 550.00 11.00 1.10
60 5.00 2578.00 412.50 8.25 0.83
75 4.00 2063.00 330.00 6.60 0.66
120 2.50 1289.00 206.30 4.13 0.41
150 2.00 1031.00 165.00 3.30 0.33
180 1.67 859.40 137.50 2.75 0.28
200 1.50 773.50 123.80 2.48 0.25
210 1.43 736.70 117.90 2.36 0.24
240 1.25 644.60 103.10 2.06 0.21

Notes.The resolution of the LOFAR array is given by αλ/L, where L denotes the longest baseline. The value of α depends on the array configuration and the weighting scheme used during imaging, i.e. natural, uniform, or robust. The values computed here assume a value of α = 0.8 corresponding to a uniform weighting scheme.

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