The putative center in NGC 1052 | Astronomy & Astrophysics (A&A)

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Table 1.

Image parameters for all analyzed VLBA observations from April 4, 2017 with natural weighting and GMVA observation from March 31, 2017 with uniform weighting.

Array	ν	RMS ^(1a)	RMS ^(1b)	S_peak⁽²⁾	S_tot⁽³⁾	b_maj⁽⁴⁾	b_min⁽⁵⁾	PA ⁽⁶⁾	DR ⁽⁷⁾
	[GHz]	$[\frac{mJy}{beam}]$ $[{\frac{\mathrm{mJy}}{\mathrm{beam}}}]$	$[\frac{mJy}{beam}]$ $[{\frac{\mathrm{mJy}}{\mathrm{beam}}}]$	$[\frac{mJy}{beam}]$ $[{\frac{\mathrm{mJy}}{\mathrm{beam}}}]$	[Jy]	[mas]	[mas]	[°]
GMVA	86.2	2.05	1.4	0.63	0.81	0.33	0.07	−6.7	450:1
VLBA	43.1	0.10	0.10	0.15	0.59	0.45	0.19	−4.4	1500:1
VLBA	22.2	0.08	0.09	0.18	0.80	0.86	0.34	−5.0	2000:1

Notes.

⁽¹⁾

(a) Root-mean-square (rms) noise level of image, (b) rms inside a structure-free window far away from the source structure

⁽²⁾

Peak brightness,

⁽³⁾

Total recovered flux density,

^{(4), (5), (6)}

Major, minor axes and major axis position angle of the restoring beam,

⁽⁷⁾

Dynamic range: ratio between the map peak and the rms inside a structure-free window far away from the source structure.

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