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Results: 202
Number of items: 202
  • Open Access
    Barziv, O., Kuulkers, E., Méndez, R. M., van der Hooft, F., Groot, P. J., van der Klis, M., Kemper, C., & van Paradijs, J. A. (1997). Optical photometry of Sco X-2. Astronomy & Astrophysics, 325, 1035-1038.
  • Open Access
    Vaughan, B. A., van der Klis, M., Méndez, M., van Paradijs, J., Wijnands, R. A. D., Lewin, W. H. G., Lamb, F. K., Psaltis, D., Kuulkers, E., & Oosterbroek, T. (1997). Discovery of microsecond time lags in kilohertz QPOs. Astrophysical Journal, 483, L115-L118. https://doi.org/10.1086/310740
  • Open Access
    Wijnands, R. A. D., van der Klis, M., van Paradijs, J. A., Lewin, W. H. G., Lamb, F. K., Vaughan, B. A., & Kuulkers, E. (1997). Discovery in 4U 1636-53 of two simultaneous Quasi-periodic oscillations near 900 Hz and 1176 Hz. Astrophysical Journal, 479, L141-L144. https://doi.org/10.1086/310600
  • Open Access
    Kuulkers, E., Belloni, T., Méndez, R. M., van der Klis, M., Wijnands, R. A. D., & van Paradijs, J. A. (1997). GRO J1655-40. IAU Circular, 6637.
  • van Paradijs, J. A., van den Heuvel, E. P. J., & Kuulkers, E. (1996). Compact stars in binaries. Kluwer Academic Publishers.
  • Open Access
    Kuulkers, E., & van der Klis, M. (1996). Cygnus X-2: its recurrent X-ray behaviour. In J. H. Wood, & A. Evans (Eds.), Cataclysmic variables and related objects
  • Open Access
    Kuulkers, E., & van der Klis, M. (1996). GX340+0 with EXOSAT: its correlated X-ray spectral and timing behaviour. Astronomy & Astrophysics, 314, 567-575.
  • Smale, A. P., Kuulkers, E., & Wijnands, R. A. D. (1996). Cygnus X-2. IAU Circular, 6452.
  • Open Access
    Kuulkers, E., & van der Klis, M. (1996). Recurrent X-ray behaviour of the Z-source Cygnus X-2. In H. U. Zimmermann, J. E. Trümper, & H. Yorke (Eds.), Röntgenstrahlung from the universe : international conference on X-ray astronomy and astrophysics (pp. 155-156). (MPE report; Vol. 263). Max-Planck-Institut für Extraterrestrische Physik.
  • Open Access
    Wijnands, R. A. D., van der Klis, M., Psaltis, D., Lamb, F. K., Kuulkers, E., Dieters, S., van Paradijs, J. A., Vaughan, B. A., & Lewin, W. H. G. (1996). Discovery of a variable-freqency, 50-60 Hz quasi-periodic oscillation of the normal branch of GX 17+2. Astrophysical Journal, 469, L5-L8. https://doi.org/10.1086/310257
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