Polarization measurements of Arecibo-sky pulsars: Faraday rotations and emission-beam analyses

被引：6

作者：

Rankin, Joanna ^{[1
]}

Venkataraman, Arun ^{[2
]}

Weisberg, Joel M. ^{[3
]}

Curtin, Alice P. ^{[3
,4
,5
]}

机构：

[1] Univ Vermont, Phys Dept, Burlington, VT 05405 USA

[2] Arecibo Observ, bo La Esperanza, POB 53995, Arecibo, PR USA

[3] Carleton Coll, Dept Phys & Astron, Northfield, MN 55057 USA

[4] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada

[5] McGill Univ, Trottier Space Inst, Montreal, PQ H3A 2A7, Canada

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2023年 / 524卷 / 04期

基金：

美国国家科学基金会;

关键词：

polarization; pulsars: general; ISM: magnetic fields; Galaxy: structure; EMPIRICAL-THEORY; VELOCITY VECTORS; PSR J2021+3651; ARRAY PROGRAM; 1.4; GHZ; RADIO; POLARIMETRY; GEOMETRY; MHZ; YOUNG;

D O I：

10.1093/mnras/stad2182

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present Faraday rotation measure (RM) values derived at L and P bands as well as some 60 Stokes-parameter profiles, both determined from our long-standing Arecibo dual-frequency pulsar polarimetry programmes. Many of the RM measurements were carried out towards the inner Galaxy and the anticentre on pulsars with no previous determination, while others are remeasurements intended to confirm or improve the accuracy of existing values. Stokes-parameter profiles are displayed for the 58 pulsars for which no meaningful Stokes profile at lower frequency is available and 4 without a high-frequency pair. This is a population that includes many distant pulsars in the inner Galaxy. A number of these polarized pulse profiles exhibit clear interstellar-scattering tails; none the less, we have attempted to interpret the associated emission-beam structures and to provide morphological classifications and geometrical models where possible.

引用

页码：5042 / 5049

页数：8

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