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The Effelsberg surveys of pulse shapes

Published online by Cambridge University Press:  12 April 2016

Jaroslaw Kijak ,
Michael Kramer ,
Richard Wielebinski ,
Axel Jessner  and
John-Hugh Seiradakis
Jaroslaw Kijak
Affiliation:
Max-Planck-Institut für Radioastronomie, Bonn, Germany Astronomy Centre, Pedagogical University, Zielona Góra, Poland
Michael Kramer
Affiliation:
Max-Planck-Institut für Radioastronomie, Bonn, Germany
Richard Wielebinski
Affiliation:
Max-Planck-Institut für Radioastronomie, Bonn, Germany
Axel Jessner
Affiliation:
Max-Planck-Institut für Radioastronomie, Bonn, Germany
John-Hugh Seiradakis
Affiliation:
Department of Astrophysics, University of Thessaloniki, Greece

Extract

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Pulse shapes of pulsars have been observed at many frequencies with the Effelsberg 100-m radiotelescope since 1972. The rationale behind these surveys was to use the great sensitivity of the 100-m telescope of the Max-Planck-Institut für Radioastronomie in particular at high radio frequencies for a complete study of pulse profiles.

The recent advent of HEMT amplifiers has improved the observational sensitivity enormously. Using these new systems it was possible to obtain integrated profiles of 183 pulsars at 1.4 GHz, 46 pulsars at 4.75 GHz and 24 pulsars at 10.6 GHz (see Seiradakis et al. 1995). Furthermore eight pulsars have been studied at 9 mm wavelengths (Kramer et al. 1996).

Type
Part 4 Radio Properties
Information
International Astronomical Union Colloquium , Volume 160: Pulsars: Problems and Progress , 1996 , pp. 233 - 234
Copyright
Copyright © Astronomical Society of the Pacific 1996

References

Kijak, J. et al. 1996, in preparationGoogle Scholar
Kramer, M. et al. 1996, A&A, 306, 867 Google Scholar
Seiradakis, J.H. et al. 1995, A&AS, 111, 205 Google Scholar