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A study on the Emission Mechanism of X-ray and Gamma-rays from the pulsars

Research Project

Project/Area Number 12640229
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Astronomy
Research InstitutionFaculty of Science, Yamagata University

Principal Investigator

SHIBATA Shinpei  Faculty of science, Yamagata University, Associate Professor, 理学部, 助教授 (90187401)

Co-Investigator(Kenkyū-buntansha) NOBUYUKI Kawai  Graduate School of Science and Technology, Tokyo Institute of Technology, Professor, 大学院・理工学研究科, 教授 (80195031)
SHIBAZAKI Noriaki  Faculty of science, Rikkyo University, Professor, 理学部, 教授 (50206124)
TAKAHARA Fumio  Graduate School of Science, Osaka University, Professor, 大学院・理学研究科, 教授 (20154891)
TORII Kenichi  RIKEN, Research Collaborator, 協力研究員 (30344047)
Project Period (FY) 2000 – 2001
Project Status Completed (Fiscal Year 2001)
Budget Amount *help
¥1,000,000 (Direct Cost: ¥1,000,000)
Fiscal Year 2001: ¥1,000,000 (Direct Cost: ¥1,000,000)
Keywordspulsar / X-ray / gamma-ray / particle acceleration / neutron star / plasma / magnetosphere / うず糸 / ガンマ線 / 電場 / パルス / 電子陽電子対
Research Abstract

We presented for the first time the self-consistent model of the emitting region in high energies, for which the electric field, plasma motion, pari cration and gamma-ray emission are solved together self-consistently. It is shown that the previous belief that the electric field is screen out by the copious pair plasmas is shown to be unjustified.
For the observational investigation, we discovered lots of pulsars in X-rays, e.g., PSR J0631+1036. Amongst them, the discovery of the fastest millisecond pulsar known, PSR 1937+21 has great importance. We find the main X-ray pulses coincide with the radio interpulses.
We searched several SNRs for the central pulsars. Our important findings are
(1) some pulsars are slow at first when they were born,
and (2) pulsar nebulae shows disc and jet structure.
We also observed unidentified gamma-ray sources along the milky way. We find that most of them has nebulosity indicating they are unknown pulsars. We observed some radio quiet neutron stars, which gives arise a problem on neutrons star population.
We studied on vortex lines inside of the neutron star. We find that the vortex configuration with kinks is stable and yields the strongly pinned states. This suggests that pinning of a vortex line in a polycrystalline structure would still be strong enough to explain the large glitches.

Report

(3 results)
  • 2001 Annual Research Report   Final Research Report Summary
  • 2000 Annual Research Report
  • Research Products

    (100 results)

All Other

All Publications (100 results)

  • [Publications] Torii, K. et al.: "ASCA detection of Pulsed X-ray Emission from PSR J0631+1036"Astrophysical Journal. 551. 151-154 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Takahashi, M. et al.: "Pulsed X-ray Emission from the Fastest Millisecond Pulsar PSR B1937+21with ASCA"Astrophysical Journal. 554. 316-321 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Sakural, I. et al.: "ASCA observation of the Millisecond Pulsar PSR J2124-3358"Pulb.Astr.Soc.Japan. 53. 535-538 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Hirotani, K., Shibata, S.: "One-dimensional electric Field structure of an outer gap accelerator III Location of the gap and the gamma-ray pectin"Mon.Not.R.astr.Soc.. 325. 1228-1240 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Hirotani, K., Shibata, S.: "Gamma-ray emission from an Outer Gap Accelerator : Constrant on Magnetospheres Current, Magnetic Inclination and Discare of PSR1055-52"Astrophysical Journal. 564. 369-378 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Braje, T.M. et al.: "Chandra Imaging g of the Gamma-Ray Source Gev J1809-2327"Astrophysical Journal. 565. L91-L95 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Kaspi et al.: "Chandra X-ray Observation of G11.2-0.3:Implication for Pulsar Ages"Astrophysical Journal. 560. 371-377 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Yokogawa et al.: "A168-s X-ray Pulsar in the Small Magellanic Cloud Obervation with ASCA"Pub.Astron.Soc.Japan. 53. L9-L12 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Yokogwa et al.: "ASCA Identification of SMCX-2 with the 2.37-s Pulsar Discovered by RYTE"Pub.Astron.Soc.Japan. 53. 227-231 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Miyata, E. et al.: "On the Nature of AX J2496+2939/AX J2050.0+2914"Astrophysical Journal. 550. 1023-1029 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Hirasawa, N. et al.: "Vortex Configurations, Osallations, and Pinning in Neutron Star Chut"Astrophysical Journal. 563. 267-275 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Tennant, A.F. et al.: "Discovery of X-ray Emission from the Crab Pulsar at Pulsar Minimum"Astrophysical Journal. 554. L173-L176 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Inoue, H. et al.: "Analytie Studies on the Structure and Emission of the SS433 Jots"Pub.Astron.Soc.Japan. 53. 127-132 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Takahashi M., Shibata S., Torii K. Saito Y., Kawai N., Hirayama M., Dotani T., Gunji S., Sakurai H., Stairs I. H., Manchester R. N.: "Pulsed X-ray Emission from the Fastest Millisecond Pulsar PSR B1937+21 with ASCA"Astrophys. J.554. 316-321 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Torii K., Saito Y., Nagase F., Yamagami T., Kamae T., Hirayama M., Kawai N., Sakurai I., Namiki M., Shibata S., Gunji S.: "Finley J.P., ASCA Detection of Pulsed X-ray Emission form PSR J0631+1036"Astrophys. J.Letter551. L151-L154 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Hirotani K. and Shibata S.: "One-Dimensional Electric Field Structure of an Outer Gap Accelerator - III. Location of the Gap and the Gamma-ray Spectrum"Mon. Not. R Astr. Soc.. 325. 1228-1240 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Hirotani K., Shibata S.: "Electrodynamic Structure of an Outer Gap Accelerator: Location of the Gap and the Gamma-Ray Emission from the Crab Pulsar"Astrophys.. J.558. 216-227 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Hirotani K., Shibata S.: "Gamma-ray Emission from an Outer-Gap Accelerator: Constraints on Magnetospheric Current, Magnetic Inclination, and Distance for PSR 1055-52"Astrophys.. J.564. 369-378 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Shibata S., Kawai N., Tamura K.: "Diagnostics of the super-relativistic wind by broadband energy spectrum of the wind powered nebulae"Adv. Space Res.. 25. 673-676 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Luo Q, Shibata S., Melrose D.: "High-energy emission from millisecond pulsars: Polar cap models"Mon. Not. Rastr. Soc.. 318. 943-951 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Mineo T., Cusumano G., Kuiper L., Hermsen W., Massaro E., Becker W., Nicastro L., Sacco B., Verbunt F., Lyne, A. G., Stairs I. H., Shibata, S.: "The pulse shape and spectrum of the millisecond pulsar PSR J0218+4232 in the energy band 1-10 keV observed with BeppoSAX"Astronomy and Astrophysics. 355. 1053-1059 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
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      2001 Final Research Report Summary
  • [Publications] Shibata S.: "Pulsar Electrodynamics"ASP Conference Series. vol 202. 411-416 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Braje T. M., Romani R. W., Roberts M.: "Chandra Imaging of the Gamma-Ray Source GeV J1809-2327"ApJ. 565. L91 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Kaspi, V.M., Roberts, M. E.; Vasisht, G.; Gotthelf, E. V.; Pivovaroff, M.; Kawai, N.: "Chandra X-Ray Observations of G11.2-0.3 Implications for Pulsar Ages"ApJ. 560. 371 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Sakurai, Ikuya; Kawai, Nobuyuki; Torii, Ken'ichi; Negoro, Hitoshi; Nagase, Fumiaki; Shibata, Shinpei; Becker, Werner: "ASCA Observation of the Millisecond Pulsar PSR J2124-3358"PASJ. 53. 535 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Takahashi, M.; Shibata, Shinpei; Torii, Ken'ichi; Saito, Yoshitaka; Kawai, Nobuyuki; Hirayama, Masaharu; Dotani, Tadayasu; Gunji, Shuichi; Sakurai, Hirohisa; Stairs, Ingrid H.; Manchester, Richard N.: "Pulsed X-Ray Emission from the Fastest Millisecond Pulsar: PSR B1937+21 with ASCA"ApJ. 554. (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Roberts, Mallory S. E.; Romani, Roger W.; Kawai, Nobuyiiki: "The ASCA Catalog of Potential X-Ray Counterparts of GEV Sources"ApJS. 133. 451 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Torii, Ken'ichi; Saito, Y.; Nagase, F.; Yamagami, T.; Kamae, T.; Hirayama, M.; Kawai, N.; Sakurai, I.; Namiki, M.; Shibata, S.; Gunji, S.; Finley, J. P.: "ASCA Detection of Pulsed X-Ray Emission from PSR J0631+1036"ApJ. 551. L151 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Shibata, S.;.Kawai, N.; Tamura K, K.: "Diagnostics of the Super-Relativistic Wind by Broad Band Energy Spectrum of the Wind, Powered Nebulae"AdSpR. 25. 673 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Kotani, T.; Ebisawa, K.; Inoue, H.; Kawai, N.; Matsuoka, M,; Nagase, F.; Robinson, C. R.; Takeshima, T.; Ueda, Y.; Yamaoka, K.; Yoshida, A.: "Discovery of Iron-K Absorption Lines from the Transient Jets GRS 1915+105 and GRO J1655-40"AdSpR. 25. 445 (2000)

    • Description
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      2001 Final Research Report Summary
  • [Publications] Kotani, T.; Kawai, N.; Nagase, F.; Namiki, M.; Sakano, M.; Takeshima, T.; Ueda, Y.; Yamaoka, K.; Hjellming, R. M.: "ASCA Observations of the Jet Source XTE J1748-288"Astrophysical Journal. 543. L133 (2000)

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      2001 Final Research Report Summary
  • [Publications] Brinkmann, W.; Kawai, N.: "The jets of SS 433: second order effects"Astronomy and Astrophysics. 363. 640 (2000)

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      2001 Final Research Report Summary
  • [Publications] M.Kusunose,.F.Takahara and H.Li: "Electron Acceleration and Time Variability of High Energy Emission from Blazars"Astrophysical Journal. 536. 299-307 (2000)

    • Description
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      2001 Final Research Report Summary
  • [Publications] T.Takahashi, J.Kataoka, G.Medejski, J.Mattox, C.M.Urry, S.Wagner, F.Aharonian, M.Catanese, L.Ghiappeti, P.Coppi, B.Degrange, G.Fossati, H.Kubo, H.Krawczynski, F.Makino, H.Marshall, L.Maraschi, F.Piron, R.Remillard, F.Takahara, M.Tashiro, H.Terasranta and T.Weekes: "Complex Spectral Variability from Intensive Multi-Wavelength Monitoring of Markarian 421 in 1998"Astrophysical Journal Letters. 542. 105-109 (2000)

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      2001 Final Research Report Summary
  • [Publications] T.N.Kato and F.Takahara: "Application of Random Walk Theory to the First Order Fermi Acceleration in Shock Waves"Monthly Notices of the Royal Astronomical Society. 321. 642-660 (2001)

    • Description
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      2001 Final Research Report Summary
  • [Publications] F.Takahara: "Physics of Relativistic Jets in Blazars, Proceedings of the Fifth Compton Symposium"AIP Conference Proceedings. 510. 405-409 (2000)

    • Description
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      2001 Final Research Report Summary
  • [Publications] M.Kusunose, F.Takahara and H.Li: "Time Variability of Emission from Blazars and Electron Acceleration"AIP Conference Proceedings. 510. 420-424 (2000)

    • Description
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      2001 Final Research Report Summary
  • [Publications] T.Yamasaki, F.Takahara and M.Kusunose: "A Novel Mechanism for the Formation of Electron-Positron Outflow from Hot Accretion Disks"AIP Conference Proceedings. 510. 430-434 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
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      2001 Final Research Report Summary
  • [Publications] F.Takahara and M.Kusunose: "Electron Acceleration and Time Variability of Blazars"AIP Conference Proceedings. 558. 684 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] F.Takahara, M.Kino and M.Kusunose: "Physical Parameters of TeV Blazars"Proceedings of the International Symposium on High Energy Gamma-Ray Astronomy, AIP Conference Proceedings. 558. 676 (2001)

    • Description
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      2001 Final Research Report Summary
  • [Publications] Hirasawa, Masaki; Shibazaki, Noriaki: "Vortex Configurations, Oscillations, and Pinning in Neutron Star Crusts"ApJ. 563. 267 (2001)

    • Description
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      2001 Final Research Report Summary
  • [Publications] Tennant, Allyn F.; Becker, Werner; Juda, Michael; Elsner, Ronald F.; Kolodziejczak, Jeffery J.; Murray, Stephen S.; O'Dell, Stephen L.; Paerels, Frits; Swartz, Douglas A.; Shibazaki, Noriaki; Weisskopf, Martin C.: "Discovery of X-Ray Emission from the Crab Pulsar at Pulse Minimum"ApJ. 554. L173 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] H. Inoue, N. Shibazaki, R. Hoshi: "Analytical Studies on the Structure and Emission of the SS 433"Jets Publ. Astron. Soc. Japan. 53. 127-132 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Sakurai, Ikuya; Kawai, Nobuyuki; Torii, Ken'ichi; Negoro, Hitoshi; Nagase, Fumiaki; Shibata, Shinpei; Becker, Werner: "ASCA Observation of the Millisecond Pulsar PSR J2124-3358"PASJ. 53. 535 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Yokogawa, Jun; Torii, Ken'ichi; Kohmura, Takayoshi; Koyama, Katsuji: "A 168-s X-Ray Pulsar in the Small Magellanic Cloud Observed with ASCA"PASJ. 53. L9 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Takahashi, Motoki; Shibata, Shinpei; Torii, Ken'ichi; Saito, Yoshitaka; Kawai, Nobuyuki; Hirayama, Masaharu; Dotani, Tadayasu; Gunji, Shuichi; Sakurai, Hirohisa; Stairs, Ingrid H.; Manchester, Richard N.: "Pulsed X-Ray Emission from the Fastest Millisecond Pulsar: PSR B1937+21 with ASCA"ApJ. 554. 316 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Yokogawa, Jun; Torii, Ken'ichi; Kohmura,; Takayoshi; Koyama, Katsuji: "ASCA Identification of SMC X-2 with the 2.37-s Pulsar Discovered by RXTE"PASJ. 53. 227 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Torii, Ken'ichi; Saito, Y.; Nagase, F.; Yamagami, T.; Kamae, T.; Hirayama, M.; Kawai, N.; Sakurai, I.; Namiki, M.; Shibata, S.; Gunji, S.; Finley, J. P.: "ASCA Detection of Pulsed X-Ray Emission from PSR J0631+1036"ApJ. 551. L151 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Miyata, Emi; Ohta, Kouji; Torii, Ken'ichi; Takeshima, Toshiaki; Tsunemi, Hiroshi; Hasegawa, Takashi; Hashimoto, Yasuhiro: "On the Nature of AX J2049.6+2939/AX J2050.0+2914"ApJ. 550. 1023 (2001)

    • Description
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      2001 Final Research Report Summary
  • [Publications] Yokogawa, Jun; Torii, Ken'ichi; Kohmura, Takayoshi; Imanishi, Kensuke; Koyama, Katsuji: "Discovery of 101-s Pulsations from AX J0057.4-7325 in the SMG with ASCA)/"PASJ. 52. L53 (2000)

    • Description
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      2001 Final Research Report Summary
  • [Publications] Torii, Ken'ichi; Slane, Patrick O.; Kinugasa, Kenzo; Hashimotodani, Kiyoshi; Tsunemi, Hiroshi: "ASCA Observations of the Crab-Like Supernova Remnant 3C 58"PASJ. 52. 875 (2000)

    • Description
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      2001 Final Research Report Summary
  • [Publications] Yokogawa, Jun; Torii, Ken'ichi; Imanishi, Kensuke; Koyama, Katsuji: "Discovery of 172-s Pulsations from a Be/X-Ray Binary Candidate AX J0051.6-7311 in the SMC with ASCA"PASJ. 52. L37 (2000)

    • Description
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      2001 Final Research Report Summary
  • [Publications] Gotthelf, E. V,; Vasisht, G.; Boylan-Kolchin, M.; Torii, K.: "A 700 Year-old Pulsar in the Supernova Remnant Kesteven 75"ApJ. 542. L37 (2000)

    • Description
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      2001 Final Research Report Summary
  • [Publications] Torii, K.; Kohmura, T.; Yokogawa, J.; Koyama, K.: "AX J0057.4-7325 and SMC X-2"LAUC. 7441 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
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      2001 Final Research Report Summary
  • [Publications] Torii, K.; Yokogawa, J.; Imanishi, K.; Koyama, K.: "AX H0051,6-7311"LAUC. 7428 (2000)

    • Description
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      2001 Final Research Report Summary
  • [Publications] Sakano, M.; Torii, K.; Koyama, K.; Maeda, Y.; Yamauchi, S.: "Discovery of a Slow X-Ray Pulsator, ; AX J1740.1-2847, in the Galactic Center Region"PASJ. 52. 1141 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
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      2001 Final Research Report Summary
  • [Publications] Yokogawa, J.; Torii.K.; Kohmiira, T.; Imanishi, K.; Koyama, K.: "Discoyery of 101-s Pulsations from AX J0057.4-7325 in the SMC with ASCA"PASJ. 52. L53 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
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      2001 Final Research Report Summary
  • [Publications] Torii, K.; Slane, P. O.; Kinugasa, K.; Hashimotodani, K.; Tsunemi, H.: "ASCA Observations of the Crab-Like Supernova Remnant 3C 58"PASJ. 52. 875 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Yokogawa, J.; Torii, K.; Imanishi, K.; Koyama, K.: "Discovery of 172-s Pulsations from a Be/X-Ray Binary Candidate AX J0051.6-7311 in the SMC with ASCA"PASJ. 52. L37 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
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      2001 Final Research Report Summary
  • [Publications] Vasisht, G.; Gotthelf, E. V.; Torii, K.; Gaensler, B. M.: "Detection of a Compact X-Ray Source in the Supernova Remnant G29.6+0.1: A Variable Anomalous X-Ray Pulsar?"ApJ. 542. L49 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
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      2001 Final Research Report Summary
  • [Publications] Torii, K.; Yokogawa, J.; Imanishi, K.; Koyama, K.: "AX J0051.6-7311"LAUC. 7428 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
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      2001 Final Research Report Summary
  • [Publications] Torii, Ken'ichi; Gotthelf, E. V.; Vasisht, G.; Dotani, T.; Kinugasa, K.: "A. Giant Glitch in the Energetic 69 Millisecond X-Ray Pulsar AXS J161730-505505"ApJ. 534. L71 (2000)

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      「研究成果報告書概要(欧文)」より
    • Related Report
      2001 Final Research Report Summary
  • [Publications] Torii, K. et al.: "ASCA detection ob Pulsed X-ray Emission from PSR J0631+1036"Astrophysical Journal. 551. 151-154 (2001)

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  • [Publications] Takahashi, M. et al.: "Pulsed X-ray Emission from the Fastest Millisecond Pulsar PSR B1937+21 with ASCA"Astrophysical Journal. 554. 316-321 (2001)

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  • [Publications] Sakural, I. et al.: "ASCA observation of the Millisecond Pulsar PSR J2124-3358"Pulb. Astr. Soc Japan. 53. 535-538 (2001)

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  • [Publications] Hirotani, K. & Shibata, S: "One-dimensional electric Field structure of an outer gap accelerator III. Location of the gap and the gamma-ray pectin"Mon. Not.R. astr, Soc. 325. 1228-1240 (2001)

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  • [Publications] Hirotani, K., Shibata.S.: "Gamma-ray emission from an Outer Gap Accelerator : Constraints on magnetospheric Current, Magnetic Inclination, and Discern of PSR1055-52"Astrophysical Journal. 564. 369-378 (2002)

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  • [Publications] Braje, T.M. et al.: "Chandra Imaging of the Gamma-Ray Source GeV J1809-2327"Astrophysical Journal. 565. L91-L95 (2002)

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  • [Publications] Kaspi et al.: "Chandra X-ray Observation of G11.2-0.3 : Implication for Pulsar Ages"Astrophysical Journal. 560. 371-377 (2001)

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  • [Publications] Yokogawa et al.: "A 168-s X-ray Pulsar in the Smell Magellanic Cloud Obervation with ASCA"Pub. Astron. Soc. Japan. 53. L9-L12 (2001)

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  • [Publications] Yokogawa et al.: "ASCA Identification of SMCX-2 with the 2.37-s Pulsar Discovered by RYTE"Pub. Astron. Soc. Japan. 53. 227-231 (2001)

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  • [Publications] Miyata, E. et al.: "On the Nature of AX J0249.6+2939 /AX J2050.0+2914"Astrophysical Journal. 550. 1023-1029 (2001)

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  • [Publications] Hirasawa, M. et al.: "Vortex Configurations, Osullations, and Pinning in Neutron Star Chat"Astrophysical Journal. 563. 267-275 (2001)

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  • [Publications] Tennant, A.F. et al.: "Discovery of X-ray Emission from the Crab Pulsar at Pulsar Minimum"Astrophysical Journal. 554. L173-L176 (2001)

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  • [Publications] Inoue, H. et al.: "Analytic Studies on the Structure and Emission of the SS433 jots"Pub, Astron. Soc. Japan. 53. 127-132 (2001)

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  • [Publications] Shibata S.,Kawai N.,Tamura K: "Diagnostics of the super-relativistic wind by broadband energy spectrum of the wind powered nebulae"Adv.Space Res.. 25. 673-676 (2000)

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  • [Publications] Luo Q,Shibata S.,Melrose D.: "High-energy emission from millisecond pulsars : Polar cap models"Monthly Notices of Royal Astronomomical Society. 318. 943-951 (2000)

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  • [Publications] Mineo T.,Cusumano G.,Kuiper L.,Hermsen W.,Massaro E.,Becker W.,Nicastro L.,Sacco B.,Verbunt F.,Lyne,A.G.,Stairs I.H.,Shibata,S.: "The pulse shape and spectrum of the millisecond pulsar PSR J0218+4232 in the energy band 1-10 keV observed with BeppoSAX"Astronomy and Astrophysics. 355. 1053-1059 (2000)

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  • [Publications] Takahashi M.,Shibata S.,Torii K.Saito Y.,Kawai N.,Hirayama M.,Dotani T.,Gunji S.,Sakurai H.,Stairs I. H.,Manchester R.N.: "Detection of Pulsed X-ray Emission from the Firstest Millisecond Pulsar PSR B1937+21 with ASCA"Astrophysical Journal. (in press). (2001)

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  • [Publications] Shibata S.: "Pulsar Electrodynamics"ASP Conference Series. vol 202. 411-416 (2000)

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  • [Publications] M.Kusunose,F.Takahara and H.Li: "Electron Acceleration and Time Variability of High Energy Emission from Blazars"Astrophysical Journal. 536. 299-307 (2000)

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  • [Publications] T.Takahashi,J.Kataoka,G.Medejski,J.Mattox,C.M.Urry,S.Wagner,F.Aharonian,M.Catanese,L.Chiappeti,P.Coppi,B.Degrange,G.Fossati,H.Kubo,H.Krawczynski,F.Makino,H.Marshall,L.Maraschi,F.Piron,R.Remillard,F.Takahara,M.Tashiro,H.Terasranta and T.Weekes: "Complex Spectral Variability from Intensive Multi-Wavelength Monitoring of Markarian 421 in 1998"Astrophysical Journal Letters. 542. 105-109 (2000)

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  • [Publications] T.N.Kato and F.Takahara: "Application of Random Walk Theory to the First Order Fermi Acceleration in Shock Waves"Monthly Notices of the Royal Astronomical Society. 321. 642-660 (2001)

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  • [Publications] F.Takahara: "Physics of Relativistic Jets in Blazars Proceedings of the Fifth Compton Symposium"AIP Conference Procedings. 510. 405-409 (2000)

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  • [Publications] M.Kusunose,F.Takahara and H.Li: "Time Variability of Emission from Blazars and Electron Acceleration"AIP Conference Procedings. 510. 420-424 (2000)

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  • [Publications] T.Yamasaki,F.Takahara and M.Kusunose: "A Novel Mechanism for the Formation of Electron-Positron Outflow from Hot Accretion Disks"AIP Conference Procedings. 510. 430-434 (2000)

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  • [Publications] F.Takahara and M.Kusunose: "Electron Acceleration and Time Variability of Blazars"AIP Conference Procedings. 55(in press). (2001)

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  • [Publications] F.Takahara,M.Kino and M.Kusunose: "Physical Parameters of TeV Blazars Proceedings of the International Symposium on High Energy Gamma-Ray Astronomy"AIP Conference Procedings. 558(in press). (2001)

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  • [Publications] H.Inoue,N.Shibazaki & R.Hoshi: "Analytical Studies on the Structure and Emission of the SS 433 Jets"Publ.Astron.Soc.Japan. 53. 127-132 (2001)

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  • [Publications] Kotani,T.;Kawai,N.;Nagase,F.;Namiki,M.;Sakano,M.;Takeshima,T.;Ueda,Y.;Yamaoka,K.;Hjellming,R.M. : "ASCA Observations of the Jet Source XTE J1748-288"Astrophysical Journal. 543. L133 (2000)

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  • [Publications] Brinkmann,W.;Kawai,N.: "The jets of SS 433:second order effects"Astronomy and Astrophysics. 363. 640 (2000)

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  • [Publications] Sakano,M.;Torii,K.;Koyama,K.;Maeda,Y.;Yamauchi,S.: "Discovery of a Slow X-Ray Pulsator, AX J1740.1-2847, in the Galactic Center Region"PASJ. 52. 1141 (2000)

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  • [Publications] Yokogawa,J.;Torii,K.;Kohmura,T.;Imanishi,K.;Koyama,K.: "Discovery of 101-s Pulsations from AX J0057.4-7325 in the SMC with ASCA"PASJ. 52. L53 (2000)

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  • [Publications] Torii,K.;Slane,P.O.;Kinugasa,K.;Hashimotodani,K.;Tsunemi,H.: "ASCA Observations of the Crab-Like Supernova Remnant 3C 58"PASJ. 52. 875 (2000)

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  • [Publications] Yokogawa,J.;Torii,K.;Imanishi,K.;Koyama,K.: "Discovery of 172-s Pulsations from a Be/X-Ray Binary Candidate AX J0051.6-7311 in the SMC with ASCA"PASJ. 52. L37 (2000)

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  • [Publications] Vasisht,G.;Gotthelf,E.V.;Torii,K.;Gaensler,B.M.: "Detection of a Compact X-Ray Source in the Supernova Remnant G29.6+0.1 : A Variable Anomalous X-Ray Pulsar? "ApJ. 542. L49 (2000)

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  • [Publications] Gotthelf,E.V.;Vasisht,G.;Boylan-Kolchin,M.;Torii,K.: "A 700 Year-old Pulsar in the Supernova Remnant Kesteven 75"ApJ. 542. L37 (2000)

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  • [Publications] Torii,K.;Kohmura,T.;Yokogawa,J.;Koyama,k.: "AX J0057.4-7325 and SMC X-2"IAUC. 7441. (2000)

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  • [Publications] Torii,K.;Yokogawa,J.;Imanishi,K.;Koyama,K.: "AX J0051.6-7311"IAUC. 7428. (2000)

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  • [Publications] Torii,Ken'ichi;Gotthelf,E.V.;Vasisht,G.;Dotani,T.;Kinugasa,K.: "A Giant Glitch in the Energetic 69 Millisecond X-Ray Pulsar AXS J161730-505505"ApJ. 534. L71 (2000)

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Published: 2001-04-01   Modified: 2016-04-21  

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