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Table 1

Details of the WSRT observations.

Source τ Boötis
RA (J2000) 13 47 15.74340*
Dec (J2000) +17 27 24.8552*
Configuration Maxi-short
Date Sep. 03, 2011
Duration (h) 12.0
ν range (MHz) 1640–1786
Number of IFs 8
Channels per IF 128
Bandwidth (MHz) 20
Channel width (kHz) 156.25
Polarisations XX, YY
Beam size 61.9′′ × 14.5′′
Weighting robust
Theoretical rms noise 20 μJy beam-1

Notes. 

(*)

van Leeuwen (2007).

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