ROSAT observations of the sombrero galaxy: Discovery of an X-ray active nucleus

Astrophysical Journal

Volumn 476, Issue 2 PART I, 1997, Pages 666-676

  Fabbiano, G ^a   Juda, J Z ^a  

^a HARVARD SMITHSONIAN CENTER FOR ASTROPHYSICS   (United States)

Author keywords

Black hole physics; Galaxies: active; Galaxies: individual (M104) galaxies: nuclei; X rays: galaxies

Indexed keywords

EID: 21744432823     PISSN: 0004637X     EISSN: 15384357     Source Type: Journal    
DOI: 10.1086/303636     Document Type: Article

References (52)

1. Bajaja, E., Dettmar, R.-J., Hummel, E., & Wielebinski, R. 1988, A&A, 202, 35
2. Bechtold, J., et al. 1994, AJ, 108,759
3. Brighenti, F., & Matthews, W. G. 1996, ApJ, 470,747
4. Crane, P., et al. 1993, AJ, 106,1371
5. David, L. P., Harnden, F. R., Jr., Kearns, K. E., & Zombeck, M. V. 1995, US ROSAT Science Data Center/SAO report
6. Elvis, M. 1995, private communication
7. Elvis, M., et al. 1994, ApJS, 95,1
8. Fabbiano, G. 1988, ApJ, 325,544
9. _. 1989, ARA&A, 27,87
10. _. 1996, in ASP Conf. Ser. 103, ed. M. Eracleous, A. Koratkar, C. Leitherer, & L. Ho (San Francisco: ASP), 56
11. Fabbiano, G., Fassnacht, C, & Trinchieri, G. 1994, ApJ, 434,67
12. Fabbiano, G-, Kim, D.-W., & Trinchieri, G. 1992, ApJS, 80,531
13. Fabbiano G., Miller, L., Trinchieri, G., Longair, M., & Elvis, M. 1984, ApJ,277,115
14. Fabbiano, G., & Schweizer, F. 1995, ApJ, 447,572
15. Forman, W., Jones, C, & Tucker, W. 1985, ApJ, 293,102
16. Giacconi, R., et al. 1979, ApJ, 230,540
17. Halpern, J. P., & Steiner, J. E. 1983, ApJ, 269, L37
18. Hasinger, G., Turner, T. J., George, I. M., & Boese, G. 1992, GSFC OGIP Calibration Memo CAL/ROS/92-00
19. Heckman, T. M. 1980, A&A, 87,152
20. Heckman, T. 1996, in The Physics of LINERs in View of Recent Observations, ed. M. Eracleous & A. Koratkar (San Francisco : ASP), in press
21. Ho, L. 1995, private communication
22. Ho, L. C., Filippenko, A. V., & Sargent, W. 1996, preprint
23. Hummel, E., van der Hulst, J. M., & Dickey, J. M. 1984, A&A, 134,207
24. Kim, D.-W., Fabbiano, G., & Trinchieri, G. 1992a, ApJS, 80,645
25. _. 1992b, ApJ, 393,134
26. Kim, D.-W., Fabbiano, G., & Mackie, G. 1996, in preparation
27. Kim, D.-W., Fabbiano, G, Matsumoto, H., Koyama, K., & Trinchieri, G. 1995, ApJ, 468,175
28. Kinney, A. L, Bohlin, R. C, Calzetti, P., Panagia, N., & Wyse, R. F. G. 1993, ApJS, 86,5
29. Knapp, G. R. 1987, in Structure and Dynamics of Elliptical Galaxies, ed. T. de Zeeuw (Dordrecht: Reidel), 145
30. Koratkar, A., Deustua, S. E., Heckman, T., Filippenko, A. V., Ho, L. C, & Rao.M. 1995, ApJ, 440,132
31. Kormendy, J. 1988, ApJ, 335,40
32. Kormendy, J., & Richstone, D. 1995, ARA&A, 33,581
33. Makishima, K, et al. 1994, PASP, 46, L77
34. Melia, F. 1992, ApJ, 398, L95
35. Melia,F. 1994, ApJ, 426,577
36. Miyoshi, M., Moran, J., Herrnstein, J., Greenhill, L., Nakai, N., Diamond, P., & Inoue, M. 1995, Nature, 373, L127
37. Pellegrini, S., & Fabbiano, G. 1994, ApJ, 429,105
38. Rees, M. J. 1984, ARA&A, 22,471
39. Ruiz, S., Forman, W., & Jones, C. 1996, ApJ, submitted
40. Sandage, A., & Tammann, G. A. 1981, A Revised Shapley-Ames Catalog of Bright Galaxies (Carnegie Inst. of Washington Pub. 635), [RSA]
41. Serlemitsos, P., Ptak, A., & Yaqoob, T. 1996, in ASP Conf. Ser. 103, ed. M. Evacleous, A. Koratkar, C. Leitherer, & L. Ho (San Francisco: ASP), 56
42. Siemiginowska, A., Czerny, B., & Kostyunin, V. 1996, ApJ, in press
43. Terashima, Y, Serlemitsos, P. J., Kunieda, H., & Iwasawa, K. 1994, in New Horizon of X-Ray Astronomy-First Results from ASCA, ed. F. Makino & T. Ohashi (Tokyo : Universal Academy Press), 523
44. Trinchieri, G., & Fabbiano, G. 1991, ApJ, 382,82
45. Trinchieri, G., Kirn, D.-W., Fabbiano, G., & Canizares, C. R. 1994, ApJ, 428,555
46. Triimper, J. 1983, Adv. Space Res., 2, No. 4,241
47. Tully, R. B. 1988, Nearby Galaxies Catalog (Cambridge: Cambridge Univ. Press)
48. Ueno, S., Mushotszhy, R., Koyama, K., Iwasawa, K., Awaki, H., & Hayashi, I.1994, PASJ, 46, L71
49. Vaiana, G. S., et al. 1981, ApJ, 245,163
50. Wilkes, B. J., Schmidt, G. D., Smith, P. S., Mathur, S., & McLeod, K. 1996, ApJ, 455, LI 3
51. Willner, S. P., Elvis, M., Fabbiano, G., Lawrence, A., & Ward, M. J. 1985, ApJ, 299,443
52. Worrall, D. M., Giommi, P., Tananbaum, H., & Zamorani, G. 1987, ApJ, 313,596