A Population of Gamma-Ray Millisecond Pulsars Seen with the Fermi Large Area Telescope

Gamma-Ray Pulsar Bonanza Most of the pulsars we know about were detected through their radio emission; a few are known to pulse gamma rays but were first detected at other wavelengths (see the Perspective by Halpern ). Using the Fermi Gamma-Ray Space Telescope, Abdo et al. (p. 840 , published online 2 July; see the cover) report the detection of 16 previously unknown pulsars based on their gamma-ray emission alone. Thirteen of these coincide with previously unidentified gamma-ray sources, solving the 30-year-old mystery of their identities. Pulsars are fast-rotating neutron stars. With time th... Mehr ...

Verfasser: Brian L Winer
B. Lott
Roger Blandford
M. L. Kocian
P. Weltevrede
Richard N. Manchester
M. N. Lovellette
M. Ziegler
A. Reimer
Maura McLaughlin
J. Lande
A. Chekhtman
Matthew Kerr
A. De Luca
L. Tibaldo
A. Tramacere
Francesco Longo
J. F. Ormes
Hartmut Sadrozinski
S. Cutini
T. Glanzman
Ronaldo Bellazzini
David Sánchez
Paulo C. C. Freire
P. M. Saz Parkinson
J. Bregeon
N. A. Webb
S. Germani
James Chiang
J. M. Casandjian
W. McConville
Hiromitsu Takahashi
Neil Gehrels
T. H. Burnett
F. Loparco
W. B. Focke
E. Hays
Gregory Desvignes
Luca Latronico
Jean Ballet
Tyrel J. Johnson
Keith Bechtol
T. Reposeur
T. Ylinen
David S. Smith
Matthew G. Baring
Emanuele Bonamente
A. A. Abdo
Claudia Cecchi
Peter F. Michelson
L. Guillemot
M. Hayashida
Jeffrey D. Scargle
Charles D. Dermer
S. Rainò
M. Dormody
A. Makeev
V. Pelassa
A. De Angelis
T. Ohsugi
Carmelo Sgrò
Riccardo Rando
J. H. Panetta
Johann Cohen-Tanugi
R. P. Johnson
Gudlaugur Johannesson
C. Meurer
A. S. Johnson
Tsunefumi Mizuno
George Hobbs
E. Orlando
I. A. Grenier
B. M. Baughman
Stephen E. Thorsett
E. Striani
Nicola Giglietto
P. Carlson
Sylvain Guiriec
Ö. Çelik
V. Vasileiou
Michael Kramer
Paul J. Wang
Robin H. D. Corbet
P. Lubrano
F. de Palma
Persis S. Drell
G. Theureau
Christo Venter
Dario Gasparrini
Alice K. Harding
D. J. Thompson
David Paneque
E. Wallace
Marco Ajello
R. A. Cameron
Y. Edmonds
G.L. Godfrey
M. Brigida
W. Mitthumsiri
B. Berenji
A. Y. Rodriguez
Julie McEnery
M. Lemoine-Goumard
C. Favuzzi
Felix Ryde
Scott M. Ransom
V. Vitale
P. A. Caraveo
Marco Frailis
Nicola Omodei
R. Claus
T. Kamae
J. E. Grove
M. Marelli
P. Spinelli
H. Tajima
M. Razzano
L.S. Rochester
Jun Kataoka
Diego F. Torres
G. A. Caliandro
C. C. Cheung
J. G. Thayer
E. Charles
D. Dumora
N. Kawai
K. S. Wood
Denis Bastieri
A. W. Borgland
W. N. Johnson
Ismaël Cognard
Hideaki Katagiri
E. J. Siskind
Elliott D. Bloom
Y. Hanabata
Jean-Luc Starck
S. Murgia
F. Piron
M. N. Mazziotta
J. B. Thayer
M. Pepe
L. R. Cominsky
Yasunobu Uchiyama
Markus Ackermann
Karen Watters
Yasushi Fukazawa
M. Roth
T. Schalk
Stefano Ciprini
Roger W. Romani
A. Sander
Benjamin Stappers
P. D. Smith
A. A. Moiseev
E. Nuss
E. Do Couto E Silva
R. E. Hughes
B. Giebels
A. P. Waite
Simon Johnston
Grzegorz Madejski
C. Farnier
A. van Etten
D. J. Suson
S. Ritz
Jürgen Knödlseder
A. Brez
A. Morselli
Olaf Reimer
Luca Baldini
Guido Barbiellini
T. L. Usher
P. Fusco
Magnus Axelsson
Pascal Bruel
M. S. Strickman
Fernando Camilo
F. Giordano
Seth Digel
G. Tosti
Paul S. Ray
T. A. Porter
J. P. Norris
P. L. Nolan
M. Kuss
F. Gargano
Dokumenttyp: Artikel
Erscheinungsdatum: 2009
Schlagwörter: Netherlands / NEANIAS Space Research Community / Aurora Universities Network / Multidisciplinary
Sprache: Englisch
Permalink: https://search.fid-benelux.de/Record/base-26811606
Datenquelle: BASE; Originalkatalog
Powered By: BASE
Link(s) : https://www.openaccessrepository.it/record/140993

Gamma-Ray Pulsar Bonanza Most of the pulsars we know about were detected through their radio emission; a few are known to pulse gamma rays but were first detected at other wavelengths (see the Perspective by Halpern ). Using the Fermi Gamma-Ray Space Telescope, Abdo et al. (p. 840 , published online 2 July; see the cover) report the detection of 16 previously unknown pulsars based on their gamma-ray emission alone. Thirteen of these coincide with previously unidentified gamma-ray sources, solving the 30-year-old mystery of their identities. Pulsars are fast-rotating neutron stars. With time they slow down and cease to radiate; however, if they are in a binary system, they can have their spin rates increased by mass transfer from their companion stars, starting a new life as millisecond pulsars. In another study, Abdo et al. (p. 845 ) report the detection of gamma-ray emission from the globular cluster 47 Tucanae, which is coming from an ensemble of millisecond pulsars in the cluster's core. The data imply that there are up to 60 millisecond pulsars in 47 Tucanae, twice as many as predicted by radio observations. In a further companion study, Abdo et al. (p. 848 , published online 2 July) searched Fermi Large Area Telescope data for pulsations from all known millisecond pulsars outside of stellar clusters, finding gamma-ray pulsations for eight of them. Their properties resemble those of other gamma-ray pulsars, suggesting that they share the same basic emission mechanism. Indeed, both sets of pulsars favor emission models in which the gamma rays are produced in the outer magnetosphere of the neutron star.