High-speed Keck II and RXTE spectroscopy of Cygnus X-2 - I. Three X-ray components revealed by correlated variability
We have performed simultaneous X-ray and optical spectroscopic observations of the low-mass X-ray binary Cygnus X-2. We have used a new data system attached to the Low Resolution Imaging Spectrograph (LRIS) instrument on Keck II to obtain spectra with a mean time resolution of 72.075 ms, simultaneou...
Main Authors: | O'Brien, K, Horne, K, Gomer, R, Oke, J, van der Klis, M |
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格式: | Journal article |
语言: | English |
出版: |
2004
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