A close nuclear black-hole pair in the spiral galaxy NGC 3393

Nature

Volumn 477, Issue 7365, 2011, Pages 431-434

  Fabbiano, G ^a   Wang, Junfeng ^a   Elvis, M ^a   Risaliti, G ^a,b  

^a HARVARD SMITHSONIAN CENTER FOR ASTROPHYSICS   (United States)

^b INAF OSSERVATORIO ASTROFISICO DI TORINO   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

ASTROPHYSICS; COSMOLOGY; EXTRATERRESTRIAL MATTER; GRAVITY FIELD; LIGHT AVAILABILITY; NUMERICAL MODEL; OBSERVATIONAL METHOD; WAVE PROPAGATION;

ARTICLE; ASTRONOMY; BLACK HOLE; GRAVITY; PRIORITY JOURNAL; THEORETICAL MODEL; X RAY SPECTROMETRY;

EID: 80053131238     PISSN: 00280836     EISSN: 14764687     Source Type: Journal    
DOI: 10.1038/nature10364     Document Type: Article

References (30)

1. Colpi, M. & Dotti, M. Massive binary black holes in the cosmic landscape. In Advanced Science Letters, Special Issue onComputational Astrophysics (ed.Mayer, L.) http://arxiv.org/abs/0906.4339 (2009).
2. Green, P. J., et al. SDSS J125410846: a binary quasar caught in the act ofmerging. Astrophys. J. 710, 1578-1588 (2010).
3. Civano, F., et al. A runaway black hole in COSMOS: gravitational wave or slingshot recoil? Astrophys. J. 717, 209-222 (2010).
4. Boroson, T. A. & Lauer, T. R. A candidate sub-parsec supermassive binary black hole system. Nature 458, 53-55 (2009).
5. Valtonen, M. J., et al. A massive binary black-hole system in OJ287 and a test of general relativity. Nature 452, 851-853 (2008). (Pubitemid 351550871)
6. Komossa, S., et al. Discovery of a binary active galactic nucleus in the ultraluminous infrared galaxy NGC 6240 using Chandra. Astrophys. J. 582, L15-L19 (2003). (Pubitemid 37394525)
7. Hutchings, J. B.& Neff, S. G. The double-nucleus galactic mergerMKN463. Astron. J. 97, 1306-1311 (1989).
8. Mayer, L., et al. Rapid formation of supermassive black hole binaries in galaxy mergers with gas. Science 316, 1874-1877 (2007). (Pubitemid 47025781)
9. Rodriguez, C., et al.A compact supermassive binary black hole system. Astrophys. J. 646, 49-60 (2006). (Pubitemid 44258277)
10. Callegari, S., et al. Growing massive black hole pairs in minor mergers of disk galaxies. Astrophys. J. 729, 85, http://dx.doi.org/ 10.1088/0004-637X/ 729/2/85 (2011).
11. Diaz, A. I., Prieto, M. A.&Wamsteker, W. The optical and UV spectrumof the Seyfert type 2 galaxy NGC3393. Astron. Astrophys. 195, 53-59 (1988).
12. Cid Fernandes, R., et al. The star formation history of Seyfert 2 nuclei. Mon. Not. R. Astron. Soc. 355, 273-296 (2004). (Pubitemid 39587719)
13. Levenson, N. A., Heckman, T. M., Krolik, J. H.,Weaver, K. A. &Zycki, P. T. Penetrating the deep cover of Compton-thick active galactic nuclei. Astrophys. J. 648, 111-127 (2006). (Pubitemid 44414199)
14. Kondratko, P. T., Greenhill, L. J. & Moran, J. M. The parsec-scale accretion disk in NGC3393. Astrophys. J. 678, 87-95 (2008).
15. Guainazzi, M., Fabian, A. C., Iwasawa, K., Matt, G. & Fiore, F. On the transmissiondominated to reprocessing-dominated spectral state transitions in Seyfert 2 galaxies. Mon. Not. R. Astron. Soc. 356, 295-308 (2005). (Pubitemid 40097165)
16. Risaliti, G., et al. The XMM-Newton long look of NGC 1365: uncovering of the obscured X-ray source. Mon. Not. R. Astron. Soc. 393, L1-L5 (2009).
17. Cooke, A. J., et al. The narrow-line region in the Seyfert 2 galaxy NGC3393. Astrophys. J. Suppl. Ser. 129, 517-545 (2000).
18. Strohmayer, T. E. & Mushotzky, R. F. Discovery of X-ray quasi-periodic oscillations from an ultraluminous x-ray source in M82: evidence against beaming. Astrophys. J. 586, L61-L64 (2003). (Pubitemid 36938026)
19. George, I. M. & Fabian, A. C. X-ray reflection from cold matter in active galactic nuclei and X-ray binaries. Mon. Not. R. Astron. Soc. 249, 352-367 (1991).
20. Fabbiano, G., et al. The time-variable ultraluminous X-ray sources of "The Antennae". Astrophys. J. 584, L5-L8 (2003). (Pubitemid 37084034)
21. Maiolino, R., et al. Heavy obscuration in X-ray weak AGNs. Astron. Astrophys. 338, 781-794 (1998). (Pubitemid 128551755)
22. Elvis, M., et al. Atlas of quasar energy distributions. Astrophys. J. Suppl. Ser. 95, 1-68 (1994). (Pubitemid 24974411)
23. Magorrian, J., et al. The demography of massive dark objects in galaxy centers. Astron. J. 115, 2285-2305 (1998).
24. Gandhi, P., et al.Resolvingthemid-infraredcores of local Seyferts.Astron. Astrophys. 502, 457-472 (2009).
25. Schmitt, H. R., Ulvestad, J. S., Antonucci, R. R. J. & Kinney, A. L. Jet directions in Seyfert galaxies: radio continuum imaging data. Astrophys. J. Suppl. Ser. 132, 199-209 (2001). (Pubitemid 33577843)
26. Miyazawa, G. T.Haba, Y.&Kunieda, H. Broad-bandtemporal and spectral variation of 36 active galactic nuclei observed with Suzaku. Publ. Astron. Soc. Jpn 61, 1331-1354 (2009).
27. Fukazawa, Y., et al. Fe-K line probing of material around the active galactic nucleus central engine with Suzaku. Astrophys. J. 727, 19-31 (2011).
28. Cusumano, G., et al. The Palermo Swift-BAT hard X-ray catalogue. III. Results after 54 months of sky survey. Astron. Astrophys. 524, A64-A101 (2010).
29. Palmeri, P., Mendoza, C., Kallman, T. R., Bautista, M. A. & Meléndez, M. Modeling of iron K lines: radiative and Auger decay data for Fe II-Fe IX. Astron. Astrophys. 410, 359-364 (2003).
30. Magdziarz, P.& Zdziarski, A. A. Angle-dependent Compton reflection of X-rays and gamma-rays. Mon. Not. R. Astron. Soc. 273, 837-848 (1995).