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26 papers · 1 filter
New air fluorescence detectors employed in the Telescope Array experiment
H. Tokuno, Y. Tameda, M. Takeda +134
Since 2007, the Telescope Array (TA) experiment, based in Utah, USA, has been observing ultra high energy cosmic rays to understand their origins. The experiment involves a surface…
Data-oriented Diagnostics of Pileup Effects on the Suzaku XIS
Shin'ya Yamada, Hideki Uchiyama, Tadayasu Dotani +11
We present the result of a systematic study of pileup phenomena seen in the X-ray Imaging Spectrometer, an X-ray CCD instrument, onboard the Suzaku observatory. Using a data set of…
A Suzaku View of Cyclotron Line Sources and Candidates
K. Pottschmidt, S. Suchy, E. Rivers +20
Seventeen accreting neutron star pulsars, mostly high mass X-ray binaries with half of them Be-type transients, are known to exhibit Cyclotron Resonance Scattering Features (CRSFs)…
Spectral Evolutions in Gamma-Ray Burst Exponential Decays Observed with Suzaku WAM
Makoto S. Tashiro, Kaori Onda, Kazutaka Yamaoka +4
This paper presents a study on the spectral evolution of gamma-ray burst (GRB) prompt emissions observed with the Suzaku Wide-band All-sky Monitor (WAM). By making use of the WAM d…
SN 2010ay is a Luminous and Broad-lined Type Ic Supernova within a Low-metallicity Host Galaxy
Nathan E. Sanders, A. M. Soderberg, S. Valenti +38
We report on our serendipitous pre-discovery detection and detailed follow-up of the broad-lined Type Ic supernova (SN) 2010ay at z = 0.067 imaged by the Pan-STARRS1 3pi survey jus…
A Spectral Study of the Black Hole Candidate XTE J1752-223 in the High/Soft State with MAXI, Suzaku and Swift
Satoshi Nakahira, Shu Koyama, Yoshihiro Ueda +34
We report on the X-ray spectral analysis of the black hole candidate XTE\ J1752--223 in the 2009--2010 outburst, utilizing data obtained with the MAXI/Gas Slit Camera (GSC), the Sw…