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Direct measurement of sub-pixel structure of the EPIC MOS CCD on-board th e XMM/NEWTON satellite
J. Hiraga, H. Tsunemi, A. D. Short +3
We have used a mesh experiment in order to measure the sub-pixel structure of the EPIC MOS CCDs on-board the XMM/NEWTON satellite. The EPIC MOS CCDs have 40 m-square pixels whic…
On the Nature of AX J2049.6+2939 and AX J2050.0+2914
Emi Miyata, Kouji Ohta, Kenichi Torii +4
AX J2049.6+2939 is a compact X-ray source in the vicinity of the southern blow-up region of the Cygnus Loop supernova remnant (Miyata et al. 1998a). This source was the brightest X…
RXJ 0852.0-0462: Another Nonthermal Shell-Type SNR (G266.2-1.2)
Patrick Slane, John P. Hughes, Richard J. Edgar +4
The newly discovered supernova remnant G266.2-1.2 (RX J0852.0--0462), along the line of sight to the Vela SNR, was observed with ASCA for 120 ks. We find that the X-ray spectrum is…
Discovery of a New Supernova Remnant in the Direction of G69.7+1.0
Kumi Yoshita, Emi Miyata, Hiroshi Tsunemi
We discovered a middle-aged supernova remnant (SNR) in the vicinity of G69.7+1.0 using the ASCA satellite. G69.7+1.0 was identified in the 2.7 GHz survey and classified as a shell-…
ASCA Observation of the Crab-Like Supernova Remnant 3C58
Ken'ichi Torii, Patrick O. Slane, Kenzo Kinugasa +2
We present here the X-ray observation of a Crab-like supernova remnant (SNR) 3C58 with ASCA. We find that the integrated energy spectrum over the nebula is consistent with previous…
Overabundance of Calcium in the young SNR RX J08524622: evidence of over-production of Ti
Hiroshi Tsunemi, Emi Miyata, Bernd Aschenbach +2
Recently, COMPTEL has detected -rays of 1157 keV from Ti in the direction of the SNR RX J08524622 (Iyudin et al. 1998). Since Ti is a product of explosive nucle…