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- The University of TokyoJP22 papers
- High Energy Accelerator Research OrganizationJP16 papers
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- Universität HamburgDE8 papers
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6 papers · 1 filter
Measurement of cosmic-ray low-energy antiproton spectrum with the first BESS-Polar Antarctic flight
K. Abe, H. Fuke, S. Haino +27
The BESS-Polar spectrometer had its first successful balloon flight over Antarctica in December 2004. During the 8.5-day long-duration flight, almost 0.9 billion events were record…
Near-Infrared Coronagraphic Observations of the T Tauri Binary System UY Aur
Tomonori Hioki, Yoichi Itoh, Yumiko Oasa +10
We present a near-infrared image of UY Aur, a 0.9" separated binary system, using the Coronagraphic Imager with Adaptive Optics on the Subaru Telescope. Thanks to adaptive optics,…
Simultaneous X-ray, radio, near-infrared, and optical monitoring of Young Stellar Objects in the Coronet cluster
J. Forbrich, Th. Preibisch, K. M. Menten +11
Multi-wavelength (X-ray to radio) monitoring of Young Stellar Objects (YSOs) can provide important information about physical processes at the stellar surface, in the stellar coron…
Measurements of 0.2 to 20 GeV/n cosmic-ray proton and helium spectra from 1997 through 2002 with the BESS spectrometer
Y. Shikaze, S. Haino, K. Abe +21
We measured low energy cosmic-ray proton and helium spectra in the kinetic energy range 0.215 - 21.5 GeV/n at different solar activities during a period from 1997 to 2002. The obse…
Development of Large area Gamma-ray Camera with GSO(Ce) Scintillator Arrays and PSPMTs
H. Nishimura, K. Hattori, H. Kubo +1
We have developed a position-sensitive scintillation camera with a large area absorber for use as an advanced Compton gamma-ray camera. At first we tested GSO(Ce) crystals. We comp…
Coronagraphic Search for Extra-Solar Planets around epsilon Eri and Vega
Yoichi Itoh, Yumiko Oasa, Misato Fukagawa
We present the results of a coronagraphic imaging search for extra-solar planets around the young main-sequence stars, epsilon Eri and Vega. Concentrating the stellar light into th…