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Scattering analysis of LOFAR pulsar observations

Abstract:

We measure the effects of interstellar scattering on average pulse profiles from 13 radio pulsars with simple pulse shapes. We use data from the LOFAR High Band Antennas, at frequencies between 110 and 190 MHz.We apply a forward fitting technique, and simultaneously determine the intrinsic pulse shape, assuming single Gaussian component profiles. We find that the constant τ , associated with scattering by a single thin screen, has a power-law dependence on frequency τ ∝ ν -a , with indices ra...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1093/mnras/stx1151

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Astrophysics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Astrophysics
Oxford college:
St Edmund Hall
Role:
Author
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Publisher:
Oxford University Press Publisher's website
Journal:
Monthly Notices of the Royal Astronomical Society Journal website
Volume:
470
Issue:
3
Pages:
2659-2679
Publication date:
2017-05-05
Acceptance date:
2017-05-09
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Pubs id:
pubs:710632
URN:
uri:c90a2e7b-099f-4999-a552-f41f95b12163
UUID:
uuid:c90a2e7b-099f-4999-a552-f41f95b12163
Local pid:
pubs:710632

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