Black Hole Masses of High-Redshift Quasars

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Black Hole Masses of High-Redshift Quasars. / Vestergaard, M.

In: MULTIWAVELENGTH AGN SURVEYS. Proceedings of the Guillermo Haro Conference 2003. Held 8-12 December 2003 in Cozumel, Mexico. Edited by Raúl Mújica (Instituto Nacional de Astrofísica, Óptica y Electrónica, Mexico) & Roberto Maiolino (INAF-Osservatorio Astrofisico di Arcetri, Italy), 01.10.2004, p. 385-388.

Research output: Contribution to journalConference articleResearchpeer-review

Harvard

Vestergaard, M 2004, 'Black Hole Masses of High-Redshift Quasars', MULTIWAVELENGTH AGN SURVEYS. Proceedings of the Guillermo Haro Conference 2003. Held 8-12 December 2003 in Cozumel, Mexico. Edited by Raúl Mújica (Instituto Nacional de Astrofísica, Óptica y Electrónica, Mexico) & Roberto Maiolino (INAF-Osservatorio Astrofisico di Arcetri, Italy), pp. 385-388. https://doi.org/10.1142/9789812702432_0092

APA

Vestergaard, M. (2004). Black Hole Masses of High-Redshift Quasars. MULTIWAVELENGTH AGN SURVEYS. Proceedings of the Guillermo Haro Conference 2003. Held 8-12 December 2003 in Cozumel, Mexico. Edited by Raúl Mújica (Instituto Nacional de Astrofísica, Óptica y Electrónica, Mexico) & Roberto Maiolino (INAF-Osservatorio Astrofisico di Arcetri, Italy), 385-388. https://doi.org/10.1142/9789812702432_0092

Vancouver

Vestergaard M. Black Hole Masses of High-Redshift Quasars. MULTIWAVELENGTH AGN SURVEYS. Proceedings of the Guillermo Haro Conference 2003. Held 8-12 December 2003 in Cozumel, Mexico. Edited by Raúl Mújica (Instituto Nacional de Astrofísica, Óptica y Electrónica, Mexico) & Roberto Maiolino (INAF-Osservatorio Astrofisico di Arcetri, Italy). 2004 Oct 1;385-388. https://doi.org/10.1142/9789812702432_0092

Author

Vestergaard, M. / Black Hole Masses of High-Redshift Quasars. In: MULTIWAVELENGTH AGN SURVEYS. Proceedings of the Guillermo Haro Conference 2003. Held 8-12 December 2003 in Cozumel, Mexico. Edited by Raúl Mújica (Instituto Nacional de Astrofísica, Óptica y Electrónica, Mexico) & Roberto Maiolino (INAF-Osservatorio Astrofisico di Arcetri, Italy). 2004 ; pp. 385-388.

Bibtex

@inproceedings{843f41fdee7f41c3a4efef8fe31b4cfc,
title = "Black Hole Masses of High-Redshift Quasars",
abstract = "Black-hole masses of distant quasars cannot be measured directly, but can be estimated to within a factor 3 to 5 using scaling relationships involving the quasar luminosity and broad-line width. Why such relationships are reasonable is summarized. The results of applying scaling relationships to data of quasars at a range of redshifts (z ≤ 6.3) are presented. Luminous quasars typically have masses ~ 109M⊙ even at the highest redshifts. The fact that such massive black holes appear as early as at z ≈ 6 indicate that black holes form very early or build up mass very fast.",
author = "M. Vestergaard",
year = "2004",
month = oct,
day = "1",
doi = "10.1142/9789812702432_0092",
language = "English",
pages = "385--388",
journal = "MULTIWAVELENGTH AGN SURVEYS. Proceedings of the Guillermo Haro Conference 2003. Held 8-12 December 2003 in Cozumel, Mexico. Edited by Ra{\'u}l M{\'u}jica (Instituto Nacional de Astrof{\'i}sica, {\'O}ptica y Electr{\'o}nica, Mexico) & Roberto Maiolino (INAF-Osservatorio Astrofisico di Arcetri, Italy)",

}

RIS

TY - GEN

T1 - Black Hole Masses of High-Redshift Quasars

AU - Vestergaard, M.

PY - 2004/10/1

Y1 - 2004/10/1

N2 - Black-hole masses of distant quasars cannot be measured directly, but can be estimated to within a factor 3 to 5 using scaling relationships involving the quasar luminosity and broad-line width. Why such relationships are reasonable is summarized. The results of applying scaling relationships to data of quasars at a range of redshifts (z ≤ 6.3) are presented. Luminous quasars typically have masses ~ 109M⊙ even at the highest redshifts. The fact that such massive black holes appear as early as at z ≈ 6 indicate that black holes form very early or build up mass very fast.

AB - Black-hole masses of distant quasars cannot be measured directly, but can be estimated to within a factor 3 to 5 using scaling relationships involving the quasar luminosity and broad-line width. Why such relationships are reasonable is summarized. The results of applying scaling relationships to data of quasars at a range of redshifts (z ≤ 6.3) are presented. Luminous quasars typically have masses ~ 109M⊙ even at the highest redshifts. The fact that such massive black holes appear as early as at z ≈ 6 indicate that black holes form very early or build up mass very fast.

U2 - 10.1142/9789812702432_0092

DO - 10.1142/9789812702432_0092

M3 - Conference article

SP - 385

EP - 388

JO - MULTIWAVELENGTH AGN SURVEYS. Proceedings of the Guillermo Haro Conference 2003. Held 8-12 December 2003 in Cozumel, Mexico. Edited by Raúl Mújica (Instituto Nacional de Astrofísica, Óptica y Electrónica, Mexico) & Roberto Maiolino (INAF-Osservatorio Astro

JF - MULTIWAVELENGTH AGN SURVEYS. Proceedings of the Guillermo Haro Conference 2003. Held 8-12 December 2003 in Cozumel, Mexico. Edited by Raúl Mújica (Instituto Nacional de Astrofísica, Óptica y Electrónica, Mexico) & Roberto Maiolino (INAF-Osservatorio Astro

ER -

ID: 230100634