Table 2.

Parameters used in magnetic field estimation and derived strength.

System S150 (mJy) αNTH d (kpc) BTOT (μG) τ (Gyr)
H 60 2425 ± 244 0.64 ± 0.07 55–110 6.8 ± 1.1 0.22 ± 0.05
M 24 930 ± 94 0.63 ± 0.07 20–30 9.0 ± 1.0 0.14 ± 0.03
M 41 14.8 ± 1.4 0.56 ± 0.09 4–20 8.0 ± 3.0 0.22 ± 0.11
M 1374 26.8 ± 2.6 0.76 ± 0.09 4–25 5.9 ± 1.6 0.30 ± 0.12

Notes. Columns: S150: total flux density at 150 MHz, averaged value of the 6 and 20 arcsec maps; αNTH: non-thermal spectral index calculated between 150 and 1400 MHz; d: pathlength through the medium that hosts the magnetic field; BTOT: magnetic field strength; τ: synchrotron age.

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