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Table 3

LOFAR Observational setup.

Parameter Value

Observational dates March 10 and May 9, 2015
Telescope LOFAR
Receiver HBA
Backend COBALT
Number of tied-array beams
first observation 90
second observation 40
Polarisations/beam 2
Central frequency 146 MHz
Frequency bandwidth 68.5 MHz
Frequency channels 11232
Sample time 1310 μs
Integration time 14 400 s

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