Astronomy and Astrophysics – Astrophysics
Scientific paper
2001-09-27
Astronomy and Astrophysics
Astrophysics
To be published in A&A. 8 pages, 7 figures
Scientific paper
10.1051/0004-6361:20011306
We present the first results from a programme of multi-frequency simultaneous single pulse observations carried out as part of the European Pulsar Network. We detail the main data analysis methods and apply them to simultaneous observations of the strong pulsar B0329+54 at 1.4 and 2.7 GHz using the Jodrell Bank and Effelsberg radio telescopes respectively. The pulses at different frequencies are highly correlated in their total intensity, as seen in previous experiments, and generally show consistent position angles of the linearly polarized component. In contrast, the circularly polarized emission sometimes shows clear differences between pulses received at different frequencies. These results are unexpected and warrant further follow-up studies to interpret them in the context of the intrinsic bandwidth of pulsar radiation.
Doroshenko Oleg
Hoensbroech Alexis von
Jessner Axel
Jordan Cathy
Karastergiou Aris
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