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The First X-Ray Proper-Motion Measurements of the Forward Shock in the Northeastern Limb of SN 1006
Satoru Katsuda, Robert Petre, Knox S. Long +4
We report on the first X-ray proper-motion measurements of the nonthermally-dominated forward shock in the northeastern limb of SN 1006, based on two Chandra observations taken in…
Forward Shock Proper Motions of Kepler's Supernova Remnant
Satoru Katsuda, Hiroshi Tsunemi, Hiroyuki Uchida +1
The X-ray structure of Kepler's supernova remnant shows a rounded shape delineated by forward shocks. We measure proper motions of the forward shocks on overall rims of the remnant…
Another Abundance Inhomogeneity in the South East Limb of the Cygnus Loop
Hiroshi Tsunemi, Masashi Kimura, Hiroyuki Uchida +2
We have observed the south-east (SE) limb of the Cygnus Loop with {\it Suzaku}. Our spatially-resolved spectroscopic study shows that a one- non-equilibrium ionizati…
Suzaku Observations across the Cygnus Loop from the Northeastern to the Southwestern Rim
Masashi Kimura, Hiroshi Tsunemi, Satoru Katsuda +1
We have observed the Cygnus Loop from the northeast (NE) rim to the southwest (SW) rim using Suzaku in 10 pointings that is just north of previous XMM-Newton observations. The obse…
The Plasma Structure of the Southwestern Region of the Cygnus Loop with the XMM-Newton Observatory
Hiroyuki Uchida, Hiroshi Tsunemi, Satoru Katsuda +1
We observed the southwestern region of the Cygnus Loop in two pointings with \textit{XMM-Newton}. The region observed is called the "blow-out" region that is extended further in th…
Chandra Observations of the Northeastern Rim of the Cygnus Loop
Satoru Katsuda, Hiroshi Tsunemi, Masashi Kimura +1
We present results from spatially resolved spectral analyses of the northeastern (NE) rim of the Cygnus Loop supernova remnant (SNR) based on two Chandra observations. One pointing…
Discovery of Fast-Moving X-Ray--Emitting Ejecta Knots in the Oxygen-Rich Supernova Remnant Puppis A
S. Katsuda, K. Mori, H. Tsunemi +5
We report on the discovery of fast-moving X-ray--emitting ejecta knots in the Galactic Oxygen-rich supernova remnant Puppis A from XMM-Newton observations. We find an X-ray knotty…
The Slow X-Ray Expansion of the Northwestern Rim of the Supernova Remnant RX J0852.0-4622
S. Katsuda, H. Tsunemi, K. Mori
The detection of radioactive decay line of 44Ti provides a unique evidence that the gamma-ray source is a young (< 1,000 yr) supernova remnant because of its short lifetime of abou…
Asymmetric Ejecta Distribution of the Cygnus Loop revealed with Suzaku
S. Katsuda, H. Tsunemi, E. Miyata +4
We observed a linearly sliced area of the Cygnus Loop from the north-east to the south-west with Suzaku in seven pointings. After dividing the entire fields of view (FOV) into 119…