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Issue A&A
Volume 443, Number 2, November IV 2005
Page(s) 593 - 597
Section Stellar structure and evolution
DOI http://dx.doi.org/10.1051/0004-6361:20052790



A&A 443, 593-597 (2005)
DOI: 10.1051/0004-6361:20052790

Detection of giant pulses in pulsar PSR J1752+2359

A. A. Ershov1, 2 and A. D. Kuzmin1, 2

1  Pushchino Radio Astronomy Observatory, Astro Space Center, Lebedev Physical Institute, Russian Academy of Sciences, Pushchino 142290, Russia
    e-mail: ershov@prao.psn.ru
2  Isaac Newton Institute, Chile, Pushchino Branch, Russia

(Received 29 November 2004 / Accepted 20 July 2005)

Abstract
We report the detection of Giant Pulses (GPs) in the pulsar PSR J1752+2359 . About one pulse in 270 has a peak flux density more than 40 times the peak flux density of an average pulse (AP), and the strongest GP is as large as 260. The energy of the strongest GP exceeds the energy of the average pulse by a factor of 200 which is greater than in other known pulsars with GPs. PSR J1752+2359 as well as the previously detected pulsars PSR B0031-07 and PSR B1112+50, belong to the first group of pulsars found to have GPs without a strong magnetic field at the light cylinder.


Key words: stars: neutron -- stars: pulsars: general -- stars: pulsars: individual: PSR J1752+2359

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© ESO 2005


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