The B3-VLA CSS sample: Polarisation observations

被引：3
|
作者：
Rossetti, A. [1 ]
Dallacasa, D. [1 ]
Fanti, C. [1 ]
Fanti, R. [1 ]
Mack, K. -H. [1 ]
机构：
[1] Ist Radioastron INAF, Bologna, Italy
来源：
ASTRONOMISCHE NACHRICHTEN | 2009年 / 330卷 / 2-3期
关键词：
ISM: magnetic fields; polarization; radio continuum: galaxies; RADIO-SOURCES; DEPOLARIZATION; MULTIFREQUENCY;
D O I：
10.1002/asna.200811148
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
New polarisation WSRT data at 13 cm and earlier VLA data at 3.6, 6, and 21 cm, for 65 radio sources from the B3-VLA CSS sample, enable a more reliable determination of integrated RM, and RM dispersion. We find that the RM dispersion shows a dependence on both z and LS. We discuss these dependences in terms of a depolarising Faraday curtain, with a King-like distribution of the magneto-ionic medium, which is produced by either a smooth or a clumpy medium. (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码：165 / 166
页数：2
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