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We demonstrate that very massive (>10^8\msun), cosmologically nearby (z<1) black hole binaries (MBHBs), which are primary targets for ongoing and upcoming pulsar timing arrays (PTAs), are particularly...
X-ray observations of classical and recurrent novae in Outburst
High Resolution X-Ray Observations of Pulsar Winds。
High Resolution X-Ray Observations of Pulsar Winds。
We present spatial and spectral results of ROSAT observations of two galax-ies: NGC 4569 and NGC 4303. Both objects are members of the Virgo Cluster andhave nearby smaller companions with which they h...
Galaxies are key objects for the study of cosmology, the life cycle of matter,and stellar evolution. X-ray observations have given us a new key window intothese building blocks of the Universe, that a...

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