DETECTION OF THE ENERGETIC PULSAR PSR B1509-58 AND ITS PULSAR WIND NEBULA IN MSH 15-52 USING THE FERMI-LARGE AREA TELESCOPE

被引:73
作者
Abdo, A. A. [1 ,2 ]
Ackermann, M. [3 ,4 ]
Ajello, M. [3 ,4 ]
Allafort, A. [3 ,4 ,48 ]
Asano, K. [5 ]
Baldini, L. [6 ]
Ballet, J. [7 ]
Barbiellini, G. [8 ,9 ]
Baring, M. G. [10 ]
Bastieri, D. [11 ,12 ]
Bechtol, K. [3 ,4 ]
Bellazzini, R. [6 ]
Berenji, B. [3 ,4 ]
Blandford, R. D. [3 ,4 ]
Bloom, E. D. [3 ,4 ]
Bonamente, E. [13 ,14 ]
Borgland, A. W. [3 ,4 ]
Bregeon, J. [6 ]
Brez, A. [4 ,6 ]
Brigida, M. [15 ,16 ]
Bruel, P. [17 ]
Buson, S. [11 ]
Caliandro, G. A. [18 ]
Cameron, R. A. [3 ,4 ]
Camilo, F. [19 ]
Caraveo, P. A. [20 ]
Carrigan, S. [12 ]
Casandjian, J. M. [7 ]
Cecchi, C. [13 ,14 ]
Celik, Oe [21 ,22 ,23 ,24 ]
Chekhtman, A. [1 ,3 ,25 ]
Cheung, C. C. [1 ,2 ]
Chiang, J. [3 ,4 ]
Ciprini, S. [14 ]
Claus, R. [3 ,4 ]
Cohen-Tanugi, J. [26 ]
Conrad, J. [27 ,28 ]
den Hartog, P. R. [3 ,4 ]
Dermer, C. D. [1 ]
de Luca, A. [29 ]
de Palma, F. [15 ,16 ]
Dormody, M. [30 ,31 ]
do Couto e Silva, E. [3 ,4 ]
Drell, P. S. [3 ,4 ]
Dubois, R. [3 ,4 ]
Dumora, D. [32 ,33 ]
Farnier, C. [26 ]
Favuzzi, C. [15 ,16 ]
Fegan, S. J. [17 ]
Ferrara, E. C. [21 ]
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, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA
[4] Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
[5] Tokyo Inst Technol, Interact Res Ctr Sci, Tokyo 1528551, Japan
[6] Ist Nazl Fis Nucl, Sez Pisa, I-56527 Pisa, Italy
[7] Univ Paris Diderot, Lab AIM, CEA IRFU CNRS, Serv Astrophys,CEA Saclay, F-91191 Gif Sur Yvette, France
[8] Ist Nazl Fis Nucl, Sez Trieste, I-34127 Trieste, Italy
[9] Univ Trieste, Dipartmento Fis, I-34127 Trieste, Italy
[10] Rice Univ, Dept Phys & Astron, Houston, TX 77251 USA
[11] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy
[12] Univ Padua, Dipartimento Fis G Galilei, I-35131 Padua, Italy
[13] Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy
[14] Univ Perugia, Dipartimento Fis, I-06123 Perugia, Italy
[15] Univ Politecn Bari, Dipartimento Fis M Merlin, I-70126 Bari, Italy
[16] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
[17] Ecole Polytech, Lab Leprince Ringuet, CNRS, IN2P3, Palaiseau, France
[18] CSIC, Inst Ciencies Espai IEEC, Barcelona, Spain
[19] Columbia Univ, Columbia Astrophys Lab, New York, NY 10027 USA
[20] INAF Ist Astrofis Spaziale & Fis Cosm, I-201333 Milan, Italy
[21] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[22] CRESST, Greenbelt, MD 20771 USA
[23] Univ Maryland Baltimore Cty, Ctr Space Sci & Technol, Baltimore, MD 21250 USA
[24] Univ Maryland Baltimore Cty, Dept Phys, Baltimore, MD 21250 USA
[25] George Mason Univ, Fairfax, VA 22030 USA
[26] Univ Montpellier 2, Lab Phys Theor & Astroparticules, CNRS, IN2P3, Montpellier, France
[27] Stockholm Univ, Dept Phys, SE-16091 Stockholm, Sweden
[28] Oskar Klein Ctr Cosmoparticle Phys, SE-10691 Stockholm, Sweden
[29] IUSS, I-27100 Pavia, Italy
[30] Univ Calif Santa Cruz, Dept Phys, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA
[31] Univ Calif Santa Cruz, Dept Astron & Astrophys, Santa Cruz, CA 95064 USA
[32] CNRS, Ctr Etud Nucl Bordeaux Gradignan, IN2P3, UMR 5797, F-33175 Gradignan, France
[33] Univ Bordeaux, Ctr Etud Nucl Bordeaux Gradignan, UMR 5797, F-33175 Gradignan, France
[34] Univ Udine, Dipartimento Fis, I-33100 Udine, Italy
[35] Ist Nazl Fis Nucl, Sez Trieste, Grp Collegato Udine, I-33100 Udine, Italy
[36] Ist Nazl Astrofis, Osservatorio Astron Trieste, I-34143 Trieste, Italy
[37] Hiroshima Univ, Dept Phys Sci, Hiroshima 7398526, Japan
[38] Max Planck Inst Radioastron, D-53121 Bonn, Germany
[39] Univ Alabama, CSPAR, Huntsville, AL 35899 USA
[40] CSIRO, Australia Telescope Natl Facil, Epping, NSW 1710, Australia
[41] Ohio State Univ, Dept Phys, Ctr Cosmol & Astroparticle Phys, Columbus, OH 43210 USA
[42] Univ Maryland, Dept Astron, College Pk, MD 20742 USA
[43] Univ Maryland, Dept Phys, College Pk, MD 20742 USA
[44] Tokyo Inst Technol, Dept Phys, Tokyo 1528551, Japan
[45] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany
[46] Waseda Univ, Res Inst Sci & Engn, Shinjuku Ku, Tokyo 1698555, Japan
[47] RIKEN, Inst Phys & Chem Res, Cosm Radiat Lab, Wako, Saitama 3510198, Japan
[48] Univ Washington, Dept Phys, Seattle, WA 98195 USA
[49] UPS, CNRS, Ctr Etude Spatiale Rayonnements, F-31028 Toulouse 4, France
[50] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, I-00133 Rome, Italy
关键词
ISM: individual objects (G320.4-1.2; MSH; 15-52); pulsars: individual (PSR B1509-58; PSR J1513-5908); GAMMA-RAY PULSARS; X-RAY; RADIO OBSERVATIONS; LIGHT CURVES; EMISSION; DISCOVERY; RADIATION; SPECTRUM; MODEL; MSH-15-52;
D O I
10.1088/0004-637X/714/1/927
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We report the detection of high-energy gamma-ray emission from the young and energetic pulsar PSR B1509-58 and its pulsar wind nebula (PWN) in the composite supernova remnant G320.4-1.2 (aka MSH 15-52). Using 1 yr of survey data with the Fermi-Large Area Telescope (LAT), we detected pulsations from PSR B1509-58 up to 1 GeV and extended gamma-ray emission above 1 GeV spatially coincident with the PWN. The pulsar light curve presents two peaks offset from the radio peak by phases 0.96 +/- 0.01 and 0.33 +/- 0.02. New constraining upper limits on the pulsar emission are derived below 1 GeV and confirm a severe spectral break at a few tens of MeV. The nebular spectrum in the 1-100 GeV energy range is well described by a power law with a spectral index of (1.57 +/- 0.17 +/- 0.13) and a flux above 1 GeV of (2.91 +/- 0.79 +/- 1.35) x 10(-9) cm(-2) s(-1). The first errors represent the statistical errors on the fit parameters, while the second ones are the systematic uncertainties. The LAT spectrum of the nebula connects nicely with Cherenkov observations, and indicates a spectral break between GeV and TeV energies.
引用
收藏
页码:927 / 936
页数:10
相关论文
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