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A WSRT Search for Millisecond Pulsars

Published online by Cambridge University Press:  26 May 2016

W.W. Tian ,
R.G. Strom ,
B.W. Stappers ,
X.Z. Zhang ,
X.J. Wu  and
R. Ramachandran
W.W. Tian
Affiliation:
1 Beijing Astronomical Observatory and Beijing Astrophysics Center of the National Astronomical Observatories, CAS, China 2Max-Planck-Institut für Radioastronomie, D-53121 Bonn, Germany
R.G. Strom
Affiliation:
3NFRA, Postbus 2, 7990 AA Dwingeloo, Netherlands 4 Astronomical Institute, University of Amsterdam, Netherlands
B.W. Stappers
Affiliation:
4 Astronomical Institute, University of Amsterdam, Netherlands
X.Z. Zhang
Affiliation:
1 Beijing Astronomical Observatory and Beijing Astrophysics Center of the National Astronomical Observatories, CAS, China
X.J. Wu
Affiliation:
5Department of Geophysics, Beijing University, 100087, China
R. Ramachandran
Affiliation:
3NFRA, Postbus 2, 7990 AA Dwingeloo, Netherlands 4 Astronomical Institute, University of Amsterdam, Netherlands

Abstract

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Based on our examination of the characteristics of about 280 known pulsars and 40 millisecond pulsars (MSPs), we have derived selection criteria for MSP candidates: steep spectrum, highly linearly polarized point sources. The first sample of 14 candidates from the NVSS at 1.4 GHz and the WENSS at 325 MHz has been observed by the WSRT using PuMa at both 92 and 21 cm in May 1999. We have finished processing all data and find no evidence for MSPs for a dispersion measure range of 0 —- 200 cm−3 pc in this first sample.

Type
Part 7: Pulsars and other Compact Galactic Objects
Information
Symposium - International Astronomical Union , Volume 199: The Universe at Low Radio Frequencies , 2002 , pp. 387 - 388
Copyright
Copyright © Astronomical Society of the Pacific 2002 

References

Han, J.L. & Tian, W.W. 1999, A&AS, 136, 571 Google Scholar
Tian, W.W., Strom, R.G., Stappers, B.W., Zhang, X.Z., Wu, X.J., Ramachandran, R., 2000, Proceedings of IAU Colloquium 177, eds: Kramer, M. et al., in press.Google Scholar