2020ApJ...898...63S

Query : 2020ApJ...898...63S

2020ApJ...898...63S - Astrophys. J., 898, 63-63 (2020/July-3)

Revisiting the Soltan argument based on a semianalytical model for galaxy and black hole evolution.

SHIRAKATA H., KAWAGUCHI T., OKAMOTO T., NAGASHIMA M. and OOGI T.

Abstract (from CDS):

We show the significance of the super-Eddington accretion for the cosmic growth of supermassive black holes (SMBHs) with a semianalytical model for galaxy and black hole evolution. The model explains various observed properties of galaxies and active galactic nuclei at a wide redshift range. By tracing the growth history of individual SMBHs, we find that the fraction of the SMBH mass acquired during the super-Eddington accretion phases to the total SMBH mass becomes larger for less massive black holes and at higher redshift. Even at z ∼ 0, SMBHs with > 10⁹M_☉ have acquired more than 50% of their mass by super-Eddington accretions, which is apparently inconsistent with the classical Soltan argument. However, the mass-weighted radiation efficiency of SMBHs with > 10⁸M_☉ obtained with our model, is about 0.08 at z ∼ 0, which is consistent with Soltan's argument within the observational uncertainties. We, therefore, conclude that Soltan's argument cannot reject the possibility that SMBHs are grown mainly by super-Eddington accretions.

Journal keyword(s): Active galactic nuclei - Supermassive black holes - Galaxy formation

Simbad objects: 1

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Number of rows : 1

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	SDSS J114816.64+525150.3	QSO	11 48 16.647	+52 51 50.31		25.73	25.04			~	487	0

Query : 2020ApJ...898...63S

Basic data :

SDSS J114816.64+525150.3 -- Quasar

QSO (2010A&A,QSO,...), MIR (WISE), Opt (SDSS)

11 48 16.647 +52 51 50.31 (Optical) [ 105 99 90 ] C 2015ApJS..219...12A

11 45 37.851 +53 08 30.66 [ 105 99 90 ]

143.210634 +61.706563 [ 105 99 90 ]

V(km/s) 289250 [522] / z(spectroscopic) 6.47477 [0.00174] / cz 1941087.2 [521.6] (Opt) D 2015ApJS..219...12A

B 25.73 [~] D 2010A&A...518A..10V

V 25.04 [~] D 2010A&A...518A..10V

J (AB) 19.013 [0.0413] C 2020MNRAS.494..789R

H (AB) 18.769 [0.0518] C 2020MNRAS.494..789R

K (AB) 18.705 [0.0586] C 2020MNRAS.494..789R

u (AB) 24.256 [0.759] D 2017A&A...597A..79P

g (AB) 25.022 [0.539] D 2017A&A...597A..79P

r (AB) 24.462 [0.545] D 2017A&A...597A..79P

i (AB) 23.3195 [0.4239] D 2020ApJS..250....8L

z (AB) 20.56 [0.03] C 2016ApJS..227...11B

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`QSO J1148+5251`	`SDSS J114816.65+525150.2`	`WISE J114816.62+525150.1`	`[VV2010] J114816.6+525150`
`KODIAQ J114816+525150`	`SDSS J114816.64+525150.3`	`[VV2003] J114816.6+525150`
`QSO B1145+5308`	`SDSS J114816.64+525150.2`	`[VV2006] J114816.6+525150`

References (487 between 1850 and 2026) (Total 487)
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Data at NED - NASA/IPAC Extragalactic Database : SDSS J114816.64+525150.3

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SDSS J114816.65+525150.2 SDSS J114816.64+525150.3 SDSS J114816.64+525150.2 WISE J114816.62+525150.1

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