The first IRAM/PdBI polarimetric millimeter survey of active galactic nuclei - II. Activity and properties of individual sources

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Volume 540 (April 2012)

A&A, 540 (2012) A74

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Table 3

Rotation measures RM for our six target sources.

Source	RM	Stat. error	Sys. error
	[rad m^-2]	[rad m^-2]	[rad m^-2]

0415+379^a	<1.1 × 10⁴	–	–
0507+179^a	<1.4 × 10⁴	–	–
0528+134^b	–	–	–
0954+658^a	<1.7 × 10⁴	–	–
1418+546	−3.9 × 10⁴	1 × 10³	1.3 × 10⁴
1637+574	4.2 × 10⁵	1 × 10⁴	1.1 × 10⁵

Notes. Statistical (“stat.”) errors refer to the formal statistical fit uncertainty. Systematic (“sys.”) errors quantify the additional uncertainty due to temporal variability of the polarization angles. Values with “ < ” are upper limits, entries “–” denote “no value available”.

^(a)

Upper limits refer to the absolute value of the rotation measure |RM|.

^(b)

For this source strong temporal variability of the polarization angle prevents an RM measurement.

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