Binary and long-term (triple?) modulations of 4U 1820-30 in NGC 6624

Astrophysical Journal

Volumn 563, Issue 2 PART 1, 2001, Pages 934-940

  Chou, Y ^a   Grindlay, J E ^a  

^a HARVARD SMITHSONIAN CENTER FOR ASTROPHYSICS   (United States)

Author keywords

Accretion, accretion disks; Stars: individual (4U 1820 30); X rays: stars

Indexed keywords

EID: 0035924284     PISSN: 0004637X     EISSN: 15384357     Source Type: Journal    
DOI: 10.1086/324038     Document Type: Article

References (33)

1. Anderson, S. F., et al. 1997, ApJ, 482, L69
2. Bevington, P. R. 1992, Data Reduction and Error Analysis for the Physical Sciences (New York: McGraw-Hill)
3. Bloser, P. F., Grindlay, J. E., Kaaret, P., Zhang, W., Smale, A. P., & Barret, D. 2000, ApJ, 542, 1000
4. Canizares, C. R., & Neighbours, J. E. 1975, ApJ, 199, L97
5. Clark, G. W., et al. 1976, ApJ, 207, L105
6. -. 1977, MNRAS, 179, 651
7. Grindlay J. E. 1986, in The Evolution of Galactic X-Ray Binaries, ed. J. Trumper, W. Lewin, & W. Brinkman (NATO/ASI Ser. C, 167; Dordrecht : Kluwer), 25
8. -. 1988, in IAU Symp. 126, Globular Cluster System in Galaxies, ed. J. E. Grindlay & A. G. Davis Philip (Dordrecht: Reidel), 347
9. Grindlay J. E., et al. 1976, ApJ, 205, L127
10. -.1984, ApJ, 282, L13
11. Haberl, F, et al. 1987, ApJ, 314, 266
12. Haberl, F., & Titarchuk, L. 1995, A&A, 299, 414
13. Hasinger, G., & van der Klis, M. 1989, A&A, 225, 79
14. Kaaret, P, et al. 1999, ApJ, 520, L37
15. King, I. R., et al. 1993, ApJ, 413, L117
16. Mazeh, T., & Shaham, J. 1979, A&A, 77, 145
17. Middleditch, J., Deich, W., & Kulkarni, S. 1993, in Isolated Pulsars, ed. K. A. Van Riper, R. I. Epstein, & C. Ho (Cambridge: Cambridge Univ. Press), 372
18. Morgan, E. H. Remillard, R. A., & Garcia, M. R. 1988, ApJ, 324, 851
19. Priedhorsky, W., & Terrell, J. 1984, ApJ, 284, L17 (PT84)
20. Rappaport, S., et al. 1987, ApJ, 322, 842
21. Roberts, D. H., Lehar, J., & Dreher, W. 1987, AJ, 93, 968
22. Sansom, A. E., et al. 1989, PASJ, 41, 591
23. Smale, A. P., Mason, K. O., & Mukai, K. 1987, MNRAS, 225, 7P
24. Smale, A. P., Zhang, W., & White, N. E. 1997, ApJ, 483, L119
25. Stella, L. Kahn, S. M., & Grindlay J. E. 1984, ApJ, 282, 713
26. Stella, L., Priedhorsky, W., & White, N. E. 1987a, ApJ, 312, L17
27. Stella, L., White, N. E., & Priedhorsky, W. 1987b, ApJ, 315, L49
28. Tan, J., et al. 1991, ApJ, 374, 291
29. Vacca, W. D., Lewin, W. H. G., & van Paradijs, J. 1986, MNRAS, 220, 339
30. van der Klis, M., et al. 1993a, MNRAS, 260, 686
31. -. 1993b, A&A, 279, L21
32. Wijnands, R., van der Klis, M., & Rijkhorst, E. 1999, ApJ, 512, L39
33. Zhang, W., et al. 1998, ApJ, 500, L171