Showing 1997Show all
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astro-ph1997
GX 349+2 (Sco X-2): An odd-ball among the Z sources
Erik Kuulkers, Michiel van der Klis
We report on about 4 hrs of observations made with the Rossi X-ray Timing Explorer on 1997 May 2 of the low-mass X-ray binary and Z source GX 349+2 (Sco X-2). Initially the source…
astro-ph1997
Kilohertz QPO and Atoll Source States in 4U 0614+09
M. Mendez, M. van der Klis, J. van Paradijs +5
We report three RXTE/PCA observations of the low-mass X-ray binary 4U 0614+09. They show strong (~ 30% rms) band-limited noise with a cut-off frequency varying between 0.7 and 15 H…
astro-ph1997
Ginga observations of Cygnus X-2
R. A. D. Wijnands, M. van der Klis, E. Kuulkers +2
We analysed all X-ray data on the low-mass X-ray binary Cygnus X-2 obtained with Ginga. The analysis of the spectral and fast timing behaviour of these 4 years of data provides new…