ALMA 3 mm polarimetry of radio-quiet active galactic nuclei

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Volume 703 (November 2025)

A&A, 703 (2025) A82

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Table 2.

ALMA Band 3 observation log.

Name	Date	t	Beam size	rms I	rms Q	rms U
		(min)		(mJy/beam)	(mJy/beam)	(mJy/beam)
NGC 3783	2023–10–13	110	0 $\overset{″}{.}$ $\overset{\prime \prime }{.}$ 109 × 0 $\overset{″}{.}$ $\overset{\prime \prime }{.}$ 098	0.007	0.007	0.007
MCG 5–23–16	2023–10–08	59	0 $\overset{″}{.}$ $\overset{\prime \prime }{.}$ 137 × 0 $\overset{″}{.}$ $\overset{\prime \prime }{.}$ 121	0.010	0.010	0.010
NGC 4945	2023–10–11^*	38	0 $\overset{″}{.}$ $\overset{\prime \prime }{.}$ 123 × 0 $\overset{″}{.}$ $\overset{\prime \prime }{.}$ 105	0.016	0.013	0.013
	2023–10–25	75	0 $\overset{″}{.}$ $\overset{\prime \prime }{.}$ 140 × 0 $\overset{″}{.}$ $\overset{\prime \prime }{.}$ 102	0.014	0.010	0.010

Notes. ^*Due to insufficient parallactic angle coverage (51.12° instead of the desired 60.00°) for the polarization calibrator on 2023−10−11, the observations were repeated on 2023−10−25.

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