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Abdo, A. A.1,2; Ackermann, M.3; Ajello, M.3; Atwood, W. B.4; Axelsson, M.5,6; Baldini, L.7; Ballet, J.8; Barbiellini, G.9,10; Baring, M. G.11; Bastieri, D.12,13; Baughman, B. M.14; Bechtol, K.3; Bellazzini, R.7; Berenji, B.3; Bloom, E. D.3; Bonamente, E.15,16; Borgland, A. W.3; Bregeon, J.7; Brez, A.7; Brigida, M.17,18; Bruel, P.19; Caliandro, G. A.17,18; Cameron, R. A.3; Camilo, F.20; Caraveo, P. A.21; Casandjian, J. M.8; Cecchi, C.15,16; Chekhtman, A.1,22; Cheung, C. C.23; Chiang, J.3; Ciprini, S.15,16; Claus, R.3; Cognard, I.24; Cohen-Tanugi, J.25; Conrad, J.6,26; de Angelis, A.27; de Palma, F.17,18; Dormody, M.4; Silva, E. D. E.3; Drell, P. S.3; Dubois, R.3; Dumora, D.28,29; Farnier, C.25; Favuzzi, C.17,18; Frailis, M.27; Freire, P. C. C.30; Fukazawa, Y.31; Funk, S.3; Fusco, P.17,18; Gargano, F.18; Gehrels, N.23,32; Germani, S.15,16; Giebels, B.19; Giglietto, N.17,18; Giordano, F.17,18; Glanzman, T.3; Godfrey, G.3; Grenier, I. A.8; Grondin, M. H.28,29; Grove, J. E.1; Guillemot, L.28,29; Guiriec, S.33; Halpern, J.20; Hanabata, Y.31; Harding, A. K.23; Hayashida, M.3; Hays, E.23; Hobbs, G.34; Hughes, R. E.14; Johannesson, G.3; Johnson, A. S.3; Johnson, R. P.4; Johnson, T. J.23,32; Johnson, W. N.1; Johnston, S.34; Kamae, T.3; Katagiri, H.31; Kataoka, J.35,36; Kawai, N.35,37; Kerr, M.38; Knodlseder, J.39; Kocian, M. L.3; Kramer, M.40,41; Kuehn, F.14; Kuss, M.7; Lande, J.3; Latronico, L.7; Lemoine-Goumard, M.28,29; Longo, F.9,10; Loparco, F.17,18; Lott, B.28,29; Lovellette, M. N.1; Lubrano, P.15,16; Lyne, A. G.40; Makeev, A.1,22; Manchester, R. N.34; Marelli, M.21; Mazziotta, M. N.18; McEnery, J. E.23; Meurer, C.6,26; Michelson, P. F.3; Mitthumsiri, W.3; Mizuno, T.31; Moiseev, A. A.32,42; Monte, C.17,18; Monzani, M. E.3; Morselli, A.43; Moskalenko, I. V.3; Murgia, S.3; Nolan, P. L.3; Norris, J. P.44; Noutsos, A.40; Nuss, E.25; Ohsugi, T.31; Omodei, N.7; Orlando, E.45; Ormes, J. F.44; Ozaki, M.46; Paneque, D.3; Panetta, J. H.3; Parent, D.28,29; Pepe, M.15,16; Pesce-Rollins, M.7; Piron, F.25; Porter, T. A.4; Raino, S.17,18; Rando, R.12,13; Ransom, S. M.47; Razzano, M.7; Reimer, A.3,48; Reimer, O.3,48; Reposeur, T.28,29; Rochester, L. S.3; Rodriguez, A. Y.49; Romani, R. W.3; Roth, M.38; Ryde, F.6,50; Sadrozinski, H. F. W.4; Sanchez, D.19; Sander, A.14; Parkinson, P. M. S.4; Scargle, J. D.51; Sgro, C.7; Siskind, E. J.52; Smith, D. A.28,29; Smith, P. D.14; Spandre, G.7; Spinelli, P.17,18; Stappers, B. W.40; Strickman, M. S.1; Suson, D. J.53; Tajima, H.3; Takahashi, H.31; Tanaka, T.3; Thayer, J. B.3; Thayer, J. G.3; Theureau, G.24; Thompson, D. J.23; Thorsett, S. E.4; Tibaldo, L.8,12,13; Torres, D. F.49,54; Tosti, G.15,16; Uchiyama, Y.3,46; Usher, T. L.3; Van Etten, A.3; Vilchez, N.39; Vitale, V.43,55; Waite, A. P.3; Wang, P.3; Wang, N.56; Watters, K.3; Weltevrede, P.34; Winer, B. L.14; Wood, K. S.1; Ylinen, T.6,50,57; Ziegler, M.4
Source PublicationAstrophysical Journal
Contribution Rank59

We report the detection of gamma-ray pulsations (>= 0.1GeV) from PSR J2229+ 6114 and PSR J1048-5832, the latter having been detected as a low-significance pulsar by EGRET. Data in the gamma-ray band were acquired by the Large Area Telescope (LAT) aboard the Fermi Gamma-ray Space Telescope, while the radio rotational ephemerides used to fold the gamma-ray light curves were obtained using the Green Bank Telescope, the Lovell telescope at Jodrell Bank, and the Parkes Telescope. The two young radio pulsars, located within the error circles of the previously unidentified EGRET sources 3EG J1048-5840 and 3EG J2227+6122, present spin-down characteristics similar to the Vela pulsar. PSR J1048-5832 shows two sharp peaks at phases 0.15 +/- 0.01 and 0.57 +/- 0.01 relative to the radio pulse confirming the EGRET light curve, while PSR J2229+ 6114 presents a very broad peak at phase 0.49 +/- 0.01. The gamma-ray spectra above 0.1 GeV of both pulsars are fit with power laws having exponential cutoffs near 3 GeV, leading to integral photon fluxes of (2.19 +/- 0.22 +/- 0.32) x 10(-7) cm(-2) s(-1) for PSR J1048-5832 and (3.77 +/- 0.22 +/- 0.44) x 10(-7) cm(-2) s(-1) for PSR J2229+6114. The first uncertainty is statistical and the second is systematic. PSR J1048-5832 is one of the two LAT sources whichwere entangled together as 3EG J1048-5840. These detections add to the growing number of young gamma-ray pulsars that make up the dominant population of GeV gamma-ray sources in the Galactic plane.

Correspondent Emailahardingx@yahoo.com ;  parent@cenbg.in2p3.fr ;  massimiliano.razzano@pi.infn.it
KeywordGamma Rays: Observations Pulsars: General Pulsars: Individual (Psr J1048-5832)
Subject Area致密天体、高能和基础物理
WOS HeadingsSource 3eg j2227+6122 ;  southern Pulsars ;  space-telescope ;  galactic-plane ;  light Curves ;  source List ;  egret Data ;  wind Tori ;  young ;  discovery
Indexed BySCI
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000271872900032
Funding OrganizationCommonwealth Government ; Associated Universities, Inc. ; Science and Technology Facilities Council of the United Kingdom ; Commonwealth Government ; Associated Universities, Inc. ; Science and Technology Facilities Council of the United Kingdom
Citation statistics
Cited Times:27[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorAbdo, A. A.
Affiliation1.Space Science Division, Naval Research Laboratory, Washington, DC 20375, USA
2.National Research Council Research Associate, National Academy of Sciences, Washington, DC 20001, USA
3.W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
4.Santa Cruz Institute for Particle Physics, Department of Physics and Department of Astronomy and Astrophysics, University of California at Santa Cruz,Santa Cruz, CA 95064, USA
5.Department of Astronomy, Stockholm University, SE-106 91 Stockholm, Sweden
6.The Oskar Klein Centre for Cosmoparticle Physics, AlbaNova, SE-106 91 Stockholm, Sweden
7.Istituto Nazionale di Fisica Nucleare, Sezione di Pisa, I-56127 Pisa, Italy
9.Laboratoire AIM, CEA-IRFU/CNRS/Universit´e Paris Diderot, Service d’Astrophysique, CEA Saclay, 91191 Gif sur Yvette, France
10.Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, I-34127 Trieste, Italy
11.Dipartimento di Fisica, Universit`a di Trieste, I-34127 Trieste, Italy
12.Rice University, Department of Physics and Astronomy, MS-108, P.O. Box 1892, Houston, TX 77251, USA
13.Istituto Nazionale di Fisica Nucleare, Sezione di Padova, I-35131 Padova, Italy
14.Dipartimento di Fisica “G. Galilei,” Universit`a di Padova, I-35131 Padova, Italy
15.Department of Physics, Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, OH 43210, USA
16.Istituto Nazionale di Fisica Nucleare, Sezione di Perugia, I-06123 Perugia, Italy
17.Dipartimento di Fisica, Universit`a degli Studi di Perugia, I-06123 Perugia, Italy
18.Dipartimento di Fisica “M. Merlin” dell’Universit`a e del Politecnico di Bari, I-70126 Bari, Italy
19.Istituto Nazionale di Fisica Nucleare, Sezione di Bari, 70126 Bari, Italy
20.Laboratoire Leprince-Ringuet, ´ Ecole polytechnique, CNRS/IN2P3, Palaiseau, France
21.Columbia Astrophysics Laboratory, Columbia University, New York, NY 10027, USA
22.INAF-Istituto di Astrofisica Spaziale e Fisica Cosmica, I-20133 Milano, Italy
23.George Mason University, Fairfax, VA 22030, USA
24.NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
26.Laboratoire de Physique et Chemie de l’Environnement, LPCE UMR 6115 CNRS, F-45071 Orl´eans Cedex 02, and Station de radioastronomie de Nan¸cay,Observatoire de Paris, CNRS/INSU, F-18330 Nan¸cay, France
27.Laboratoire de Physique Th´eorique et Astroparticules, Universit´e Montpellier 2, CNRS/IN2P3, Montpellier, France
28.Department of Physics, Stockholm University, AlbaNova, SE-106 91 Stockholm, Sweden
29.Dipartimento di Fisica, Universit`a di Udine and Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, Gruppo Collegato di Udine, I-33100 Udine, Italy
30.Universit´e de Bordeaux, Centre d’ ´ Etudes Nucl´eaires Bordeaux Gradignan, UMR 5797, Gradignan, 33175, France
32.CNRS/IN2P3, Centre d’ ´ Etudes Nucl´eaires Bordeaux Gradignan, UMR 5797, Gradignan, 33175, France
33.Arecibo Observatory, Arecibo, Puerto Rico 00612
34.Department of Physical Sciences, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan
35.University of Maryland, College Park, MD 20742, USA
36.University of Alabama in Huntsville, Huntsville, AL 35899, USA
37.Australia Telescope National Facility, CSIRO, Epping NSW 1710, Australia
38.Department of Physics, Tokyo Institute of Technology, Meguro City, Tokyo 152-8551, Japan
39.Waseda University, 1-104 Totsukamachi, Shinjuku-ku, Tokyo, 169-8050, Japan
40.Cosmic Radiation Laboratory, Institute of Physical and Chemical Research (RIKEN), Wako, Saitama 351-0198, Japan
41.Department of Physics, University of Washington, Seattle, WA 98195-1560, USA
42.Centre d’ ´ Etude Spatiale des Rayonnements, CNRS/UPS, BP 44346, F-30128 Toulouse Cedex 4, France
43.Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, The University of Manchester, M13 9PL, UK
44.Max-Planck-Institut f¨ur Radioastronomie, Auf dem H¨ugel 69, 53121 Bonn, Germany
45.Center for Research and Exploration in Space Science and Technology (CRESST), NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
46.Istituto Nazionale di Fisica Nucleare, Sezione di Roma “Tor Vergata,” I-00133 Roma, Italy
47.Department of Physics and Astronomy, University of Denver, Denver, CO 80208, USA
48.Max-Planck Institut f¨ur extraterrestrische Physik, 85748 Garching, Germany
49.Institute of Space and Astronautical Science, JAXA, 3-1-1 Yoshinodai, Sagamihara, Kanagawa 229-8510, Japan
50.National Radio Astronomy Observatory (NRAO), Charlottesville, VA 22903, USA
51.Institut f¨ur Astro- und Teilchenphysik and Institut f¨ur Theoretische Physik, Leopold-Franzens-Universit¨at Innsbruck, A-6020 Innsbruck, Austria
52.Institut de Ciencies de l’Espai (IEEC-CSIC), Campus UAB, 08193 Barcelona, Spain
53.Department of Physics, Royal Institute of Technology (KTH), AlbaNova, SE-106 91 Stockholm, Sweden
54.Space Sciences Division, NASA Ames Research Center, Moffett Field, CA 94035-1000, USA
55.NYCB Real-Time Computing Inc., Lattingtown, NY 11560-1025, USA
56.Department of Chemistry and Physics, Purdue University Calumet, Hammond, IN 46323-2094, USA
57.Instituci´o Catalana de Recerca i Estudis Avan¸cats, Barcelona, Spain
58.Dipartimento di Fisica, Universit`a di Roma “Tor Vergata,” I-00133 Roma, Italy
59.National Astronomical Observatories-CAS, Urumqi 830011, China
60.School of Pure and Applied Natural Sciences, University of Kalmar, SE-391 82 Kalmar, Sweden
Recommended Citation
GB/T 7714
Abdo, A. A.,Ackermann, M.,Ajello, M.,et al. FERMI LARGE AREA TELESCOPE DETECTION OF PULSED gamma-RAYS FROM THE VELA-LIKE PULSARS PSR J1048-5832 AND PSR J2229+6114[J]. Astrophysical Journal,2009,706(2):1331-1340.
APA Abdo, A. A..,Ackermann, M..,Ajello, M..,Atwood, W. B..,Axelsson, M..,...&Ziegler, M..(2009).FERMI LARGE AREA TELESCOPE DETECTION OF PULSED gamma-RAYS FROM THE VELA-LIKE PULSARS PSR J1048-5832 AND PSR J2229+6114.Astrophysical Journal,706(2),1331-1340.
MLA Abdo, A. A.,et al."FERMI LARGE AREA TELESCOPE DETECTION OF PULSED gamma-RAYS FROM THE VELA-LIKE PULSARS PSR J1048-5832 AND PSR J2229+6114".Astrophysical Journal 706.2(2009):1331-1340.
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