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Discovery of new gamma-ray pulsars with AGILE | | A. Pellizzoni
; M. Pilia
; A. Possenti
; A. Chen
; A. Giuliani
; A. Trois
; P. Caraveo
; E. Del Monte
; F. Fornari
; F. Fuschino
; S. Mereghetti
; M. Tavani
; A. Argan
; M. Burgay
; I. Cognard
; A. Corongiu
; E. Costa
; N. D'Amico
; A. De Luca
; P. Esposito
; Y. Evangelista
; M. Feroci
; S. Johnston
; M. Kramer
; F. Longo
; M. Marisaldi
; G. Theureau
; P. Weltevrede
; G. Barbiellini
; F. Boffelli
; A. Bulgarelli
; P. W. Cattaneo
; V. Cocco
; F. D'Ammando
; G. De Paris
; G. Di Cocco
; I. Donnarumma
; M. Fiorini
; T. Froysland
; M. Galli
; F. Gianotti
; C. Labanti
; I. Lapshov
; F. Lazzarotto
; P. Lipari
; T. Mineo
; A. Morselli
; L. Pacciani
; F. Perotti
; G. Piano
; P. Picozza
; M. Prest
; G. Pucella
; M. Rapisarda
; A. Rappoldi
; S. Sabatini
; P. Soffitta
; M. Trifoglio
; E. Vallazza
; S. Vercellone
; V. Vittorini
; A. Zambra
; D. Zanello
; | | Date: |
28 Feb 2009 | | Abstract: | Using gamma-ray data collected by the AGILE satellite over a period of almost
one year (from 2007 July to 2008 June), we searched for pulsed signal from 35
potentially interesting radio pulsars, ordered according to $F_{gamma}propto
sqrt{dot{E}} d^{-2}$ and for which contemporary or recent radio data were
available. AGILE detected 3 new top-ranking nearby and Vela-like pulsars with
good confidence both through timing and spatial analysis. Among the newcomers
we find pulsars with very high rotational energy losses, such as the remarkable
PSR B1509-58 with a magnetic field in excess of 10^13 Gauss, and PSR J2229+6114
providing a reliable identification for the previously unidentified EGRET
source 3EG 2227+6122. Moreover, the powerful millisecond pulsar B1821-24, in
the globular cluster M28, is detected during a fraction of the observations.
Other 4 promising gamma-ray pulsar candidates, among which the notable
J2043+2740 with an age in excess of 1 million years, show a possible detection
in the timing analysis only and deserve confirmation. | | Source: | arXiv, 0903.0087 | | Services: | Forum | Review | PDF | Favorites | |
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