Close supermassive binary black holes

Nature

Volumn 463, Issue 7277, 2010, Pages

  Gaskell, C Martin ^a  

^a UNIVERSITY OF TEXAS AT AUSTIN   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ASTRONOMY; COSMIC RADIATION; DISK DIFFUSION; EVOLUTION; FIELD EMISSION; IONIZATION; LIFESPAN; MOTION; NOTE; OPTICAL DISK; POSITRON; PRIORITY JOURNAL; SPECTRUM; SUPERMASSIVE BINARY BLACK HOLE; VELOCITY;

EID: 73849113796     PISSN: 00280836     EISSN: 14764687     Source Type: Journal    
DOI: 10.1038/nature08665     Document Type: Note

References (17)

1. Gaskell, C. M. Quasars as supermassive binaries. Liége Int. Astrophys. Colloq. 24, 473-477 (1983).
2. Boroson, T. A. & Lauer, T. R. A candidate sub-parsec supermassive binary black hole system. Nature 458, 53-55 (2009).
3. Begelman, M. C., Blandford, R. D. & Rees, M. J. Massive black hole binaries in active galactic nuclei. Nature 287, 307-309 (1980)
4. Gaskell,C.M. in JetsfromStarsandGalacticNuclei(ed.Kundt,W.)165- 195(Springer,1996).
5. Gaskell, C. M.&Snedden, S. A. The optical case for a disk component of BLR emission. ASP Conf. Ser. 175, 157-162 (1999).
6. Gaskell, C. M. Evidence for binary orbital motion of a quasar broad-line region. Astrophys. J. 464, L107-L110 (1996).
7. Gaskell, C. M. in Active Galactic Nuclei (eds Miller, H. R.& Wiita, P. J.) 61-67 (Springer, 1988).
8. Eracleous, M., Halpern, J. P., Gilbert, A. M., Newman, J. A.&Filippenko, A. V. Rejection of the binary broad-line region interpretation of double-peaked emission lines in three active galactic nuclei. Astrophys. J. 490, 216-226 (1997).
9. Dietrich, M. et al. Steps toward determination of the size and structure of the broadline region in active galactic nuclei. XII. Ground-based monitoring of 3C 390.
10. Astrophys. J. 115 (Suppl.), 185-202 (1998).
11. O'Brien, P. T. et al. Steps toward determination of the size and structure of the broadline region in active galactic nuclei. XIII. Ultraviolet observations of the radio-galaxy 3C 390.
12. Astrophys. J. 509, 163-176 (1998).
13. Sergeev, S. G., Pronik, V. I. & Sergeeva, E. S. Arp 102B: variability patterns of the Ha line profile as evidence for gas rotation in the broad-line region. Astron. Astrophys. 356, 41-49 (2000).
14. Eracleous, M. & Halpern, J. P. Completion of a survey and detailed study of doublepeaked emission lines in radio-loud active galactic nuclei. Astrophys. J. 599, 886-908 (2003).
15. Lauer, T. & Boroson, T. HST images and KPNO spectroscopy of the binary black hole candidate SDSS J153636.221044127.0. Astrophys. J. 703, 930-938 (2009).
16. Chornock, R. et al. SDSS J153610441: an extreme "double-peaked emitter," not a binary black hole. Astron. Telegr. 1955 (2009).
17. Chornock, R. et al. The quasar SDSS J153610441: an unusual double-peaked emitter. Preprint at Æhttp://arXiv.org/abs/0906.0849æ (2009).