The discovery of 13 second x-ray pulsations from the hydrogen-depleted subdwarf O6 star binary HD 49798

Astrophysical Journal Letters

Volumn 474, Issue 1, 1997, Pages L53-L56

  Israel, G L ^a,b   Stella, L ^b,c   Angelini, L ^d,e   White, N E ^d   Kallman, T R ^d   Giommi, P ^f   Treves, A ^a  

^a SISSA   (Italy)

^b ICRANET   (Italy)

^c INAF OSSERVATORIO ASTRONOMICO DI ROMA   (Italy)

^d NASA GODDARD SPACE FLIGHT CENTER   (United States)

^e UNIVERSITIES SPACE RESEARCH ASSOCIATION   (United States)

^f BeppoSAX Science Data Center   (Italy)

Author keywords

Binaries: spectroscopic; Pulsars: individual (HD 49798); Stars: rotation; Subdwarfs; X rays: stars

Indexed keywords

EID: 85030743979     PISSN: 20418205     EISSN: 20418213     Source Type: Journal    
DOI: 10.1086/310418     Document Type: Article

References (28)

1. Bailes, M., et al. 1994, ApJ, 425, L41
2. Bauer, F., & Husfeld, D. 1995, A&A, 300, 481
3. Bisscheroux, B. C., Pols, O. R., Kahabka, P., Belloni, T., & van den Heuvel, E. P. J. 1996, A&A, in press
4. Bohlin, R. C., Harris, A. W., Holm, A. V., & Gry, C. 1990, ApJS 73, 413
5. Camilo, F., Nice, D. J., Shrauner, J. A., & Taylor, J. H. 1996, ApJ, 469, 819
6. Córdova, F. A., Chester, T. J., Tuohy, I. R., & Garmire, G. P. 1980, ApJ, 235, 163
7. de Jager, O. C., Meintjes, P.J., O'Donoghue, D., & Robinson, E. L. 1994, MNRAS, 267, 577
8. Duck, S. R., Rosen, S. R., Ponman, T. J., Norton, A. J., Watson, M. G., & Mason, K. O. 1994, MNRAS, 271, 372
9. Eracleous, M., Halpern, J., & Patterson, J. 1991, ApJ, 382, 290
10. Frank, J., King, A. R., & Raine, D. J. 1985, Accretion Power in Astrophysics (Cambridge: Cambridge Univ. Press), chap. 6
11. Goy, G. 1978, A&A, 64, 445
12. Haberl, F., & Motch, C. 1995, A&A, 288, L45
13. Hamann, W.-R., Gruschinske, J., Kudritzki, R. P., & Simon, K. P. 1981, A&A, 104, 249
14. Israel, G. L., & Stella, L. 1996, ApJ, 468, 369
15. Israel, G. L., Stella, L., Angelini, L., White, N. E., & Giommi, P. 1995, IAU Circ. 6277
16. Israel, G. L., et al. 1996, in preparation
17. Jones, M. H., & Watson, M. G. 1992, MNRAS, 257, 633
18. Kudritzki, R. P., & Simon, K. P. 1978, A&A, 70, 653
19. Mauche, C. W. 1996, ApJ, 463, L87
20. Mereghetti, S., & Stella, L. 1995, ApJ, 442, L17
21. Springmann, U. W. E., & Pauldrach, A. W. A. 1992, A&A, 262, 515
22. Stark, A. A., et al. 1992, A&AS, 79, 77
23. Stickland, D. F., & Lloyd, C. 1994, Observatory, 114, 41
24. Thackeray, A. D. 1970, MNRAS, 150, 215
25. van Paradijs, J., Taam, R. E., & van den Heuvel, E. P. J. 1995, A&A, 299, L41
26. White, N. E., Giommi, P., & Angelini, L. 1994, IAU Circ. 6100
27. White, N. E., Nagase, F., & Parmar, A. N. 1995, in X-Ray Binaries, ed. W. H. G. Lewin, J. van Paradijs, & E. P. J. van den Heuvel (Cambridge: Cambridge Univ. Press), 1
28. Wynn, G. A., King, A. K., & Horne, K. 1995, in ASP Conf. Proc. 85, Cape Workshop on Magnetic Cataclismic Variables, ed. D. A. H. Buckley & B. Warner (San Francisco: ASP), 312