934 citations
- The University of TokyoJP492 papers
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- Centre National de la Recherche ScientifiqueFR275 papers
- Tokyo Institute of TechnologyJP265 papers
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- Institut National de Physique Nucléaire et de Physique des ParticulesFR239 papers
- RIKEN Nishina CenterJP216 papers
- High Energy Accelerator Research OrganizationJP213 papers
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7 papers · 2 filters
Pulse Profile Change Possibly Associated with a Glitch in an Anomalous X-Ray Pulsar 4U 0142+61
Mikio Morii, Nobuyuki Kawai, Noriaki Shibazaki
We report a glitch-like pulse frequency deviation from the simple spin-down law in an anomalous X-ray pulsar (AXP) 4U 0142+61 detected by ASCA observations. We also found a signifi…
Wide band X-ray Imager (WXI) and Soft Gamma-ray Detector (SGD) for the NeXT Mission
T. Takahashi, A. Awaki, T. Dotani +25
The NeXT mission has been proposed to study high-energy non-thermal phenomena in the universe. The high-energy response of the super mirror will enable us to perform the first sens…
Effects of Early Cosmic Reionization on the Substructure Problem in Galactic Halo
Hajime Susa, Masayuki Umemura
Recent observations on the cosmic microwave background by Wilkinson Microwave Anisotropy Probe(WMAP) strongly suggest that the reionization of the universe took place quite early (…
The Structure and Evolution of Early Cosmological HII Regions
T. Kitayama, N. Yoshida, H. Susa +1
We study the formation and evolution of HII regions around the first stars formed at z=10-30. We use a one-dimensional Lagrangian hydrodynamics code which self-consistently incorpo…
Present-day scaling relations of submm galaxies: origin of spheroidal sytems
T. Takagi, H. Hanami, N. Arimoto
We analyse the spectral energy distributions (SEDs) of 23 submm galaxies and 3 ISO-detected EROs, all of which have the spectroscopic redshifts, by using an evolutionary SED model…
Dissipation of Magnetic Flux in Primordial Gas Clouds
Hideki Maki, Hajime Susa
We report the strength of seed magnetic flux of accretion disk surrounding the PopIII stars. The magnetic field in accretion disk might play an important role in the transport of a…