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Table 1

Comparison of field of view in resolution units for different arrays.

Array d (m) D (km) D/d

VLAa 25 36 1 440
Merlinb 32 217 8 680
EfMaMcNoc 100 1 334 10 334
EVN 100 10 180 101 800
VLBA 25 8 611 344 440


Diameter of largest antenna d; length of longest baseline D; the approximate number of resolution units across the primary beam D/d ≈ Θ/θ.


A configuration.


Without the Lovell 76-m.


Array described in Sect. 3.1.

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