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41 papers · 1 filter
X-Ray Reflection Nebulae with Large Equivalent Widths of Neutral Iron Ka Line in the Sgr C Region
Hiroshi Nakajima, Takeshi Go Tsuru, Masayoshi Nobukawa +5
This paper reports on the first results of the Suzaku observation in the Sgr C region. We detected four diffuse clumps with strong line emission at 6.4keV, Ka from neutral or low-i…
Galaxy Clusters at 0.9<z<1.7 in the AKARI NEP deep field
Tomotsugu Goto, Hitoshi Hanami, Myungshin Im +11
There is a huge gap between properties of red-sequence selected massive galaxy clusters at z<1 and Lyman-break selected proto-clusters at z>3. It is important to understand when an…
A close relationship at z~2: submillimetre galaxies and BzK-selected galaxies
Toshinobu Takagi, Yoshiaki Ono, Kazuhiro Shimasaku +1
We investigate the relationship between two massive star-forming galaxy populations at redshift z~ 2; i.e. submillimetre galaxies (SMGs) and BzK-selected galaxies (BzKs). Out of 60…
X-Ray Emission from Supernova Remnants Observed in the ASCA Galactic Plane Survey
Shigeo Yamauchi, Masaru Ueno, Katsuji Koyama +1
X-ray images and spectra of 5 cataloged supernova remnants (SNRs), G12.0-0.1, G346.6-0.2, G348.5+0.1, G348.7+0.3, and G355.6-0.0, observed in the ASCA galactic plane survey are pre…
Number Density Evolution of Ks -band Selected High Redshift Galaxy Populations in the AKARI North Ecliptic Pole Field
Koji Imai, Chris P. Pearson, Hideo Matsuhara +5
We present the number counts of Ks-band selected high redshift galaxy populations such as extremely red objects (EROs), B, z & K -band selected galaxies (BzKs) and distant red gala…
Suzaku Observation of AXP 1E 1841-045 in SNR Kes 73
M. Morii, S. Kitamoto, N. Shibazaki +7
Anomalous X-ray pulsars (AXPs) are thought to be magnetars, which are neutron stars with ultra strong magnetic field of -- G. Their energy spectra below 10…