Unmasking the history of 3C 293 with LOFAR sub-arcsecond imaging

Sub-arcsecond imaging with the International LOFAR Telescope

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Table 2

Image statistics summary.

Frequency	Telescope	Resolution (BPA)	RMS noise	Integrated flux density ± error
(MHz)		(′′)	(mJy beam⁻¹)	(Jy)
144	LOFAR HBA Dutch	10.5′′ × 7′′ (90°)	2.0	15.19 ± 1.52
1360	VLA B configuration	4.6′′ × 4.1′′ (74°)	0.08	4.68 ± 0.23
4850	VLA C configuration	6.0′′ × 6.0′′ (90°)	0.22	1.88 ± 0.09

144	LOFAR HBA international	0.26′′ × 0.15′′ (1°)	1.5	10.04 ± 1.01
1360	MERLIN	0.24′′ × 0.21′′ (33°)	1.2	3.72 ± 0.19
4850	VLA C configuration	0.36′′ × 0.30′′ (53°)	0.2	1.49 ± 0.07
8450	VLA C configuration	0.30′′ × 0.26′′ (70°)	0.26	1.01 ± 0.05

Notes. The first three rows show measurements of the entire ~200 kpc source (centre+outer lobes) from the low resolution images. The last four rows show measurements from the high resolution image of the ~4.5 kpc centre.

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