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ROSAT Guest Observer Facility

ASCA SIS0 Image of NGC 253


ASCA SISO Image
This image shows an X-ray image of NGC 253 in the 0.5-2.0 keV bandpass obtained with the ASCA SIS0. The positions of the point sources and nucleus discussed in Fabbiano & Trincieri 1984, ApJ, 286, 491 are shown as well as the NED position of SN1940E. Also shown (RX-1) is a new source visible in later ROSAT images. The scale of this image is 10' by 10' corresponding to 7.3 kpc by 7.3 kpc assuming a distance of 2.5 Mpc to NGC 253.


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