Auflistung Geophysik, Extraterrestische Forschung nach Mitwirkenden "Simon, Carsten"
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Optical variability of counterparts of ROSAT X-ray sources near the north ecliptic pole
Simon, Carsten (Univ. Berlin, 2005)Optical counterparts of X-ray selected sources to a large part consist of active galactic nuclei (AGN). A large proportion of these counterparts turns out to be optically variable, and because the timescales and manner of ...