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Christian Motch

Researcher at University of Strasbourg

Publications -  91
Citations -  2881

Christian Motch is an academic researcher from University of Strasbourg. The author has contributed to research in topics: Neutron star & ROSAT. The author has an hindex of 29, co-authored 91 publications receiving 2426 citations. Previous affiliations of Christian Motch include Max Planck Society.

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A mass of less than 15 solar masses for the black hole in an ultraluminous X-ray source

TL;DR: The results demonstrate that in P13, soft thermal emission and spectral curvature are indeed signatures of supercritical accretion, and by analogy, ultraluminousX-ray sources with similar X-ray spectra and luminosities can be explained by super critical accretion onto massive stellar-mass black holes.
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A 300-parsec-long jet-inflated bubble around a powerful microquasar in the galaxy NGC 7793

TL;DR: It is reported that the large nebula S26 in the nearby galaxy NGC 7793 is powered by a black hole with a pair of collimated jets, similar to the famous Galactic source SS433, but twice as large and a few times more powerful.
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The XMM-Newton serendipitous survey - IV. Optical identification of the XMM-Newton medium sensitivity survey (XMS)

TL;DR: The XMM-Newton Medium Sensitivity Survey (XMS) as mentioned in this paper provides an unbiased and quantitative description of the X-ray source population at these fluxes and in various Xray energy bands.