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Low Frequency Radio Emission of Pulsar PSR J1907+0919 Associated with the Magnetar SGR1900+14

Published online by Cambridge University Press:  12 April 2016

Yu. P. Shitov ,
V. D. Pugachev  and
S. M. Kutuzov
Yu. P. Shitov
Affiliation:
Pushchino Radioastronomy Observatory, Astro Space Center of Lebedev Physical Institute, Pushchino, 142292, Russiashitov@prao.psn.ru
V. D. Pugachev
Affiliation:
Pushchino Radioastronomy Observatory, Astro Space Center of Lebedev Physical Institute, Pushchino, 142292, Russiashitov@prao.psn.ru
S. M. Kutuzov
Affiliation:
Pushchino Radioastronomy Observatory, Astro Space Center of Lebedev Physical Institute, Pushchino, 142292, Russiashitov@prao.psn.ru

Abstract

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The soft gamma repeater SGR 1900+14 was observed in Pushchino observatory since 1988 December using BSA radio telescope operating at 111 MHz. We have detected the pulsed radio emission (Shitov 1999) with the same 5.16 s period that was reported earlier for this object (Hurley et al. 1998). The timing analysis has shown that this new radio pulsar PSR J1907+0919 associated with SGR 1900+14 has a superstrong magnetic field, which is 8.1 · 1014G, thereby confirming that it is a ”magnetar” (Duncan & Thompson 1992; Kouveliotou et al. 1999). The dispersion measure of PSR J1907+0919 is 281.4(9)pc · cm−3 which gives an estimate of the pulsar’s distance as about 5.8 kpc.

Type
Part 10. Anomalous X-Ray Pulsars and Magnetars
Information
International Astronomical Union Colloquium , Volume 177: Pulsar Astronomy - 2000 and Beyond , 2000 , pp. 685 - 689
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

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