FERMI LARGE AREA TELESCOPE OBSERVATIONS OF GAMMA-RAY PULSARS PSR J1057-5226, J1709-4429, AND J1952+3252

被引：0

作者：

Ardo, A. A. ^{[1
,2
]}

Ajello, M. ^{[3
,4
]}

Antolini, E. ^{[5
,6
]}

Baldini, L. ^{[7
]}

Ballet, J. ^{[8
]}

Barbiellini, G. ^{[9
,10
]}

Baring, M. G. ^{[11
]}

Bastieri, D. ^{[12
,13
]}

Bechtol, K. ^{[3
,4
]}

Bellazzini, R. ^{[7
]}

Berenji, B. ^{[3
,4
]}

Bonamente, E. ^{[5
,6
]}

Borgland, A. W. ^{[3
,4
]}

Bouvier, A. ^{[3
,4
]}

Bregeon, J. ^{[7
]}

Brez, A. ^{[7
]}

Brigida, M. ^{[14
,15
]}

Bruel, P. ^{[16
]}

Buehler, R. ^{[3
,4
]}

Burnett, T. H. ^{[17
]}

Buson, S. ^{[12
,13
]}

Caliandro, G. A. ^{[18
,30
]}

Camilo, F. ^{[19
]}

Caraveo, P. A. ^{[20
]}

Celik, Oe ^{[21
,22
,23
,24
]}

Chekhtman, A. . ^{[1
,25
]}

Cheung, C. C. ^{[1
,2
]}

Chiang, J. ^{[3
,4
]}

Ciprini, S. ^{[6
]}

Claus, R. ^{[3
,4
]}

Cognard, I. ^{[26
,27
]}

Cohen-Tanugi, J. ^{[28
]}

Dermer, C. D. ^{[1
]}

De Palma, F. ^{[14
,15
]}

Digel, S. W. ^{[3
,4
]}

do Couto e Silva, E. ^{[3
,4
]}

Drell, P. S. ^{[3
,4
]}

Dubois, R. ^{[3
,4
]}

Dumora, D. ^{[29
]}

Favuzzi, C. ^{[14
,15
]}

Ferrara, E. C. ^{[21
]}

Fortin, P. ^{[16
]}

Frailis, M. ^{[31
,32
,33
]}

Freire, P. C. C. ^{[34
]}

Fukazawa, Y. ^{[35
]}

Funk, S. ^{[3
,4
]}

Fusco, P. ^{[14
,15
]}

Gargano, F. ^{[15
]}

Gehrels, N. ^{[21
]}

Germani, S. ^{[5
,6
]}

机构：

[1] USN, Res Lab, Div Space Sci, Washington, DC 20375 USA

[2] Natl Acad Sci, Natl Res Council Res Associate, Washington, DC 20001 USA

[3] Stanford Univ, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, WW Hansen Expt Phys Lab, Stanford, CA 94305 USA

[4] Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA

[5] Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy

[6] Univ Perugia, Dipartimento Fis, I-06123 Perugia, Italy

[7] Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy

[8] Uiv Paris Diderot, CNRS,CEA IRFU, Lab AIM,Serv Astrophys, CEA Saclay, F-91191 Gif Sur Yvette, France

[9] Ist Nazl Fis Nucl, Sez Trieste, I-34127 Trieste, Italy

[10] Univ Trieste, Dipartmento Fis, I-34127 Trieste, Italy

[11] Rice Univ, Dept Phys & Astron, Houston, TX 77251 USA

[12] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy

[13] Univ Padua, Dipartimento Fis G Galilei, I-35131 Padua, Italy

[14] Univ Politecn Bari, Dipartimento Fis M Merlin, I-70126 Bari, Italy

[15] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy

[16] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France

[17] Univ Washington, Dept Phys, Seattle, WA 98195 USA

[18] Inst Ciencies Espai IEEC CSIC, Barcelona 08193, Spain

[19] Columbia Univ, Columbia Astrophys Lab, New York, NY 10027 USA

[20] INAF Ist Astrofis Spaziale Fis Cosm, I-20133 Milan, Italy

[21] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[22] CRESST, Greenbelt, MD 20771 USA

[23] Univ Maryland Baltimore Cty, Dept Phys, Baltimore, MD 21250 USA

[24] Univ Maryland Baltimore Cty, Ctr Space Sci & Technol, Baltimore, MD 21250 USA

[25] George Mason Univ, Fairfax, VA 22030 USA

[26] CNRS, LPCE, UMR 6115, F-45071 Orleans 02, France

[27] CNRS, INSU, Observ Paris, Stn Radioastron Nancay, F-18330 Nancay, France

[28] Univ Montpellier 2, CNRS, IN2P3, Lab Phys Theor & Astroparticules, Montpellier, France

[29] CEN Bordeaux Gradignan, CNRS, IN2P3, UMR 5797, F-33175 Gradignan, France

[30] Univ Bordeaux, CEN Bordeaux Gradignan, UMR 5797, F-33175 Gradignan, France

[31] Univ Udine, Dipartimento Fis, I-33100 Udine, Italy

[32] Ist Nazl Fis Nucl, Sez Trieste, Gruppo Collegato Udine, I-33100 Udine, Italy

[33] Ist Nazl Astrofis, Osservatorio Astron Trieste, I-34143 Trieste, Italy

[34] Max Planck Inst Radioastron, D-53121 Bonn, Germany

[35] Hiroshima Univ, Dept Phys Sci, Higashihiroshima 7398526, Japan

[36] INAF Ist Radioastron, I-40129 Bologna, Italy

[37] Univ Alabama, Ctr Space Plasma & Aeron Res, Huntsville, AL 35899 USA

[38] ICREA, Barcelona, Spain

[39] Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Dept Phys, Santa Cruz, CA 95064 USA

[40] Univ Calif Santa Cruz, Dept Astron & Astrophys, Santa Cruz, CA 95064 USA

[41] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[42] Univ Maryland, Dept Astron, College Pk, MD 20742 USA

[43] CSIRO, Australia Telescope Natl Facil, Epping, NSW 1710, Australia

[44] Waseda Univ, Res Inst Sci & Engn, Tokyo 1698555, Japan

[45] CNRS, UPS, Ctr Etud Spatiale Rayonnements, F-31028 Toulouse 4, France

[46] Univ Manchester, Sch Phys & Astron, Jodrell Bank Ctr Astrophys, Manchester M13 9PL, Lancs, England

[47] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, I-00133 Rome, Italy

[48] Univ Denver, Dept Phys & Astron, Denver, CO 80208 USA

[49] Hiroshima Univ, Hiroshima Astrophys Sci Ctr, Hiroshima 7398526, Japan

[50] JAXA, Inst Space & Astronaut Sci, Sagamihara, Kanagawa 2298510, Japan

来源：

ASTROPHYSICAL JOURNAL | 2010年 / 720卷 / 01期

关键词：

gamma rays: stars; pulsars: individual (PSR J1057-5226; PSR J1709-4429; and PSR J1952+3252); HIGH-ENERGY; X-RAY; WIND NEBULAE; LIGHT CURVES; EMISSION; RADIATION; EGRET; YOUNG; MAGNETOSPHERE; CONSTRAINTS;

D O I：

10.1088/0004-637X/720/1/26

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Fermi Large Area Telescope (LAT) data have confirmed the pulsed emission from all six high-confidence gamma-ray pulsars previously known from the EGRET observations. We report results obtained from the analysis of 13 months of LAT data for three of these pulsars (PSR J1057-5226, PSR J1709-4429, and PSR 11952+3252) each of which had some unique feature among the EGRET pulsars. The excellent sensitivity of LAT allows more detailed analysis of the evolution of the pulse profile with energy and also of the variation of the spectral shape with phase. We measure the cutoff energy of the pulsed emission from these pulsars for the first time and provide a more complete picture of the emission mechanism. The results confirm some, but not all, of the features seen in the EGRET data.

引用

页码：26 / 40

页数：15

共 49 条

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