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Detection of the hard X-ray non-thermal emission from Kepler's supernova remnant
Tsutomu Nagayoshi, Aya Bamba, Satoru Katsuda +1
We report the first robust detection of the hard X-ray emission in the 15--30\,keV band from Kepler's supernova remnant with the silicon PIN-type semiconductor detector of the hard…
RGS Observations of Ejecta Knots in Tycho's Supernova Remnant
Brian J. Williams, Satoru Katsuda, Renata Cumbee +3
We present results from {\it XMM-Newton/RGS} observations of prominent knots in the southest portion of Tycho's supernova remnant, known to be the remnant of a Type Ia SN in 1572 C…
Element Stratification in the Middle-Aged Type Ia Supernova Remnant G344.7-0.1
Kotaro Fukushima, Hiroya Yamaguchi, Patrick O. Slane +7
Despite their importance, a detailed understanding of Type Ia supernovae (SNe Ia) remains elusive. X-ray measurements of the element distributions in supernova remnants (SNRs) offe…
Inverse FIP Effects in Giant Solar Flares Found from Earth X-Ray Albedo with Suzaku/XIS
Satoru Katsuda, Masanori Ohno, Koji Mori +21
We report X-ray spectroscopic results for four giant solar flares occurred on 2005 September 7 (X17.0), 2005 September 8 (X5.4), 2005 September 9 (X6.2), and 2006 December 5 (X9.0)…
First Detection of X-Ray Line Emission from Type IIn Supernova 1978K with XMM-Newton's RGS
Y. Chiba, S. Katsuda, T. Yoshida +2
We report on robust measurements of elemental abundances of the Type IIn supernova SN 1978K, based on the high-resolution X-ray spectrum obtained with the Reflection Grating Spectr…