Kilohertz quasi-periodic oscillation peak separation is not constant in scorpius X-1

Astrophysical Journal

Volumn 481, Issue 2 PART II, 1997, Pages

  Van Der Klis, Michiel ^a   Wijnands, Rijdy A D ^a   Horne, Keith ^b   Chen, Wan ^c  

^a UNIVERSITY OF AMSTERDAM   (Netherlands)

^b UNIVERSITY OF ST ANDREWS   (United Kingdom)

^c NASA GODDARD SPACE FLIGHT CENTER   (United States)

Author keywords

Pulsars: general; Stars: individual (Scorpius X 1); Stars: neutron

Indexed keywords

EID: 0040121446     PISSN: 0004637X     EISSN: 15384357     Source Type: Journal    
DOI: 10.1086/310656     Document Type: Article

References (28)

1. Alpar, M. A., & Shaham, J. 1985, Nature, 316, 239
2. Berger, M., et al. 1996, ApJ, 469, L13
3. Bradt, H. V., Rothschild, R. E., & Swank, J. H. 1993, A&AS, 97, 355
4. Ford, E., et al. 1997, ApJ, 475, L123
5. Fortner, B. F., Lamb, F. K., & Miller, G. S. 1989, Nature, 342, 775.
6. Hasinger, G., & van der Klis, M. 1989, A&A, 225, 79
7. Klein, R. L., Jernigan, G. J., Arons, J., Morgan, E. H., & Zhang, W. 1996, ApJ, 469, L119
8. Lamb, F. K., Shibazaki, N., Alpar, M. A., & Shaham, J. 1985, Nature, 317, 681
9. Miller, M. C., Lamb, F. K., & Psaltis, D. 1997, ApJ, submitted
10. Mitsuda, K., & Dotani, T. 1989, PASJ, 41, 557
11. Morgan, E. H., & Smith, D. A. 1996, IAU Circ. 6437
12. Smale, A. P., Zhang, W., & White, N. E. 1996, IAU Circ. 6507
13. Strohmayer, T., Lee, U., & Jahoda, K. 1996a, IAU Circ. 6494
14. Strohmayer, T., Zhang, W., Smale, A., Day, C., Swank, J., Titarchuk, L., & Lee, U. 1996b, ApJ, 469, L9
15. van der Klis, M. 1989, in NATO ASI Conf. 262, Timing Neutron Stars, ed. H. Ögelman & E. P. J. van den Heuvel (Dordrecht: Kluwer), 27
16. _. 1995, in X-Ray Binaries, ed. W. H. G. Lewin, J. van Paradijs, & E. P. J. van den Heuvel (Cambridge: Cambridge Univ. Press), 252
17. van der Klis, M. 1996, in IAU Colloq. 163, Accretion Phenomena and Related Outflows, ed. D. Wickramasinghe, L. Ferrario, & G. Bicknell (San Francisco: ASP) in press
18. van der Klis, M., et al. 1997, IAU Cire. 6565
19. van der Klis, M., Swank, J. H., Zhang, W., Jahoda, K., Morgan, E. H., Lewin, W. H. G., Vaughan, B., & van Paradijs, J. 1996a, ApJ, 469, L1 (Paper I)
20. van der Klis, M., et al. 1996b, IAU Circ. 6424
21. _. 1996e, IAU Circ. 6511
22. Wijnands R., & van der Klis, M. 1997, ApJL, in press
23. Wijnands, R. A. D., van der Klis, M., Psaltis, D., Lamb, F. K., Kuulkers, E., Dieters, S., van Paradijs, J., & Lewin, W. H. G. 1996a, ApJ, 469, L5
24. Wijnands, R. A. D., van Paradijs, J., Lewin, W. H. G., Lamb, F. K., Vaughan, B., Kuulkers, E., & Augusteijn, T. 1996b, IAU Circ. 6447
25. Zhang, W. 1995, XTE/PCA Internal Memo.
26. Zhang, W., Jahoda, K., Swank, J. H., Morgan, E. H., & Giles, A. B. 1995, ApJ, 449, 930
27. Zhang, W., Lapidus, I., Swank, J. H., White, N. E., & Titarchuk, L. 1997, IAU Circ. 6541
28. Zhang, W., Lapidus, L, White, N. E., & Titarchuk, L. 1996, ApJ, 469, L17