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Issue A&A
Volume 413, Number 2, January II 2004
Page(s) L19 - L22
Section Letters
DOI http://dx.doi.org/10.1051/0004-6361:20031707



A&A 413, L19-L22 (2004)
DOI: 10.1051/0004-6361:20031707

Letter

Observations of millisecond pulsars at 8.35 GHz

O. Maron1, 2, J. Kijak2 and R. Wielebinski1

1  Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany
2  Institute of Astronomy, University of Zielona Góra, ul. Lubuska 2, 65-265 Zielona Góra, Poland

(Received 23 June 2003 / Accepted 29 November 2003)

Abstract
New pulsar observations at 8.35 GHz with the newly built highly sensitive receiver of the Effelsberg 100-m Radio Telescope are reported. They resulted in the first detection of 3 millisecond pulsars J1713+0747, B1855+09 and J2145-0750 at this high frequency. The measured flux densities indicate that the spectrum of all three pulsars follows a single power law. PSR B1855+09 shows a significant increase of the Interpulse-to-Mainpulse amplitude ratio at high frequencies.


Key words: pulsars: general -- millisecond pulsars: individual: J1022+1001, J1713+0747, B1855+09, J2145-0750

Offprint request: O. Maron, olaf@astro.ia.uz.zgora.pl

SIMBAD Objects in preparation



© ESO 2004


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