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Table 1

Observational properties of our LOFAR data set.

Phase centrea (J2000) α: 03:10:00.0 (± 0.′′2)
δ: +65:30:00.0 (± 0.′′1)
Start date (UTC) 07−Jan−2012/14:00:10.0
End date (UTC) 08−Jan−2012/02:00:10.0

Frequency range 110–174 MHz
Wavelength range 172–273 cm
CS primary beam FWHM at 160 MHz 4.3°
RS primary beam FWHM at 160 MHz 2.8°

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