The soft and medium-energy X-ray variability of NGC 5548: A reanalysis of exosat observations

Astrophysical Journal

Volumn 465, Issue 1 PART I, 1996, Pages 181-190

  Tagliaferri, G ^a,d   Bao, G ^b,e   Israel, G L ^a   Stella, L ^b   Treves, A ^c  

^a INAF OSSERVATORIO ASTRONOMICO DI BRERA   (Italy)

^b SISSA   (Italy)

^c GEORGIA STATE UNIVERSITY   (United States)

^d ICRANET   (Italy)

^e INAF OSSERVATORIO ASTRONOMICO DI ROMA   (Italy)

Author keywords

Galaxies: Individual (ngc 5548); Galaxies: Seyfert; X rays: Galaxies

Indexed keywords

EID: 21344444471     PISSN: 0004637X     EISSN: 15384357     Source Type: Journal    
DOI: 10.1086/177411     Document Type: Article

References (28)

1. Clavel, J., et al. 1991, ApJ, 366, 64
2. Clavel, J., et al. 1992, ApJ, 393, 113
3. De Korte, P. A. J., et al. 1981, Space Sci. Rev., 30, 495
4. Done C., Pounds, K. A., Nandra, K., & Fabian, A. 1995, MNRAS, 275, 417
5. Edelson, R. A., & Krolik, J. H. 1988, ApJ, 333, 646
6. The EXOSAT Database System: Available Databases. 1991, ESA TM-13 (Noordwijk: ESA Publication Division, ESTEC)
7. Giommi, P., Barr, P., Garilli, B., Gioia, I. M., Maccacaro, T., Maccagni, D., & Schild, R. E. 1987, ApJ, 322, 662
8. Grandi, P., Tagliaferri, G., Giommi, P., Barr, P., & Palumbo, G. C. 1992, ApJS, 82, 93
9. Green, A. R., McHardy, I. M., & Lehto, H. J. 1993, MNRAS, 265, 664
10. Haardt, F., & Maraschi, L. 1993, ApJ, 413, 507
11. Kaastra, J. S., & Barr, P. 1989, A&A, 226, 5 (KB)
12. Korista K. T., et al. 1995, ApJS, 97, 285
13. Israel, G. L. & Stella, L. 1996, ApJ, in press
14. Molendi, S., Maraschi, L., & Stella, L. 1992, MNRAS, 255, 27
15. Mushotzky, R. F., Done, C., & Pounds, K. A. 1993, ARA&A, 31, 717
16. Nandra, K., Pounds, K. A., Stewart, G. C., George, I. M., Hayashida, K., Makino, F., & Ohashi, T. 1991, MNRAS, 248, 760
17. Nandra, K., et al. 1993, MNRAS, 260, 504.
18. Papadakis, I. E., & Lawrence, A. 1993a, Nature, 361, 233 (PL)
19. _. 1993b, MNRAS, 261, 612
20. Parmar, A. N., & Izzo, C. 1986, EXOSAT Express, 16, 21
21. Stella, L., & Angelini L. 1992, in Data Analysis in Astronomy IV, ed. V. Di Gesù, L. Scarsi, R. Buccheri, P. Crane, M. C. Maccarone, & H. V. Zimmerman (New York: Plenum), 59
22. Stella, L., Arlandi, E., Tagliaferri, G., & Israel, G. L. 1995, in Time Series Analysis in Meterology and Astronomy, ed. S. Rao, in press
23. Tagliaferri, G., Stella, L., Maraschi, L., Treves, A., & Celotti, A. 1991, ApJ 380, 78 (Paper I)
24. Turner, M. J. L., Smith, A., & Zimmermann, H. V. 1981, Space Sci. Rev 30, 513
25. Walter, R., & Courvoisier, T. 1990, A&A, 233, 40
26. Walter, R., Courvoisier, T., Done, C., Maraschi, L., Pounds, K., & Urry, M. 1995, preprint
27. White, N. E., & Peacock, A. 1988, Mem. Soc. Astron. Italiana, 59, 7
28. Źycki, P. T., Krolik, J. H., Zdziarski, A. A., & Kallman, T. R. 1994, ApJ, 437, 597