J/ApJS/268/6 Jet physical parameters of Fermi 4FGL-DR2 blazars (Chen+, 2023)
General physical properties of Fermi blazars.
Chen Y., Gu Q., Fan J., Yu X., Zhong X., Liu H., Ding N., Xiong D.,
Guo X.
<Astrophys. J. Suppl. Ser., 268, 6 (2023)>
=2023ApJS..268....6C 2023ApJS..268....6C
ADC_Keywords: BL Lac objects; QSOs; Gamma rays; Redshifts; Black holes;
Radio sources; Magnetic fields
Keywords: Active galactic nuclei ; Gamma-rays ; Gamma-ray sources ;
BL Lacertae objects ; Flat-spectrum radio quasars ; Jets
Abstract:
We study the general physical properties of Fermi blazars using the
Fermi fourth source catalog data (4FGL-DR2). The quasi-simultaneous
multiwavelength data of Fermi blazars are fitted by using the one-zone
leptonic model to obtain some physical parameters, such as jet power,
magnetic field, and Doppler factor. We study the distributions of the
derived physical parameters as a function of black hole mass and
accretion disk luminosity. The main results are as follows. (1) For a
standard thin accretion disk, the jet kinetic power of most
flat-spectrum radio quasars can be explained by the Blandford-Payne
(BP) mechanism. However, the jet kinetic power of most BL Lacertae
objects (BL Lacs) cannot be explained by either the Blandford-Znajek
mechanism or the BP mechanism. The BL Lacs may have
advection-dominated accretion flows surrounding their massive black
holes. (2) After excluding the redshift, there is a moderately strong
correlation between the jet kinetic power and jet radiation power and
the accretion disk luminosity for Fermi blazars. These results confirm
a close connection between jet and accretion. The jet kinetic power is
slightly larger than the accretion disk luminosity for Fermi blazars.
(3) There is a significant correlation between jet kinetic power and
gamma-ray luminosity and radio luminosity for Fermi blazars, which
suggests that gamma-ray luminosity and radio luminosity can be used to
indicate the jet kinetic power.
Description:
Paliya+ (2021, J/ApJS/253/46) used the 4FGL-DR2 catalog to get the
1077 Fermi blazars with black hole mass and accretion disk luminosity.
We carefully examined the sample of Paliya+ (2021) and compared it
with the source classification of Abdollahi+ (4FGL; 2020, J/ApJS/247/33)
and Foschini+ (2021Univ....7..372F 2021Univ....7..372F). We only consider sources that
have reliable redshift, black hole mass, accretion disk luminosity,
1.4GHz radio flux, and quasi-simultaneous multiwavelength data.
The 1.4GHz radio flux comes from the NASA/IPAC Extragalactic Database.
The quasi-simultaneous multiwavelength data comes from the Space
Science Data Center SED Builder.
We get 459 Fermi blazars (317 FSRQs, and 142 BL Lacs:
41 low-synchrotron-peaked BL Lacs (LBLs),
18 intermediate-synchrotron-peaked BL Lacs (IBLs), and
83 high-synchrotron-peaked BL Lacs (HBLs)).
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 119 459 The Fermi 4FGL blazars
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See also:
IX/67 : Incremental Fermi LAT 4th source cat. (4FGL-DR3) (Fermi-LAT col., 2022)
J/ApJ/686/859 : Radio sources at 0.327, 1.4, 4.5, 8.5GHz (Birzan+, 2008)
J/ApJS/183/46 : Fermi/LAT bright gamma-ray source list (0FGL) (Abdo+, 2009)
J/ApJ/716/30 : SED of Fermi bright blazars (Abdo+, 2010)
J/ApJS/188/405 : Fermi-LAT first source catalog (1FGL) (Abdo+, 2010)
J/other/Sci/338.1445 : Relativistic jets from BH systems (Nemmen+, 2012)
J/ApJS/199/31 : Fermi LAT second source catalog (2FGL) (Nolan+, 2012)
J/A+A/545/A113 : MOJAVE IX. Core shift effects (Pushkarev+, 2012)
J/other/Nat/515.376 : Relativistic jets in blazars (Ghisellini+, 2014)
J/ApJS/218/23 : Fermi LAT third source catalog (3FGL) (Acero+, 2015)
J/MNRAS/451/4193 : Fermi/non-Fermi blazars jet power & accretion (Chen+, 2015)
J/ApJ/851/33 : Multi-wavelength analysis of CGRaBS blazars (Paliya+, 2017)
J/ApJS/235/39 : Jet properties of γ-ray-loud 3FGL AGNs (Chen, 2018)
J/ApJ/866/137 : Bright blazars var. brightness temp. (Liodakis+, 2018)
J/ApJ/874/43 : MOJAVE. XVII. Parsec-scale jet kinematics (Lister+, 2019)
J/ApJS/247/33 : Fermi LAT fourth source catalog (4FGL) (Abdollahi+, 2020)
J/ApJS/253/46 : Optical spectroscopy of Fermi blazars (Paliya+, 2021)
J/ApJS/263/24 : The 4LAC-DR3 catalog (Ajello+, 2022)
J/ApJS/260/12 : Jet kinematics of blazars at 43GHz; 10yrs (Weaver+, 2022)
J/ApJ/925/40 : Fermi blazar jet properties (Xiao+, 2022)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 12 A12 --- 4FGL Object 4FGL catalog identifier
14- 21 F8.4 deg RAdeg Right Ascension in decimal degrees (J2000)
23- 30 F8.4 deg DEdeg Declination in decimal degrees (J2000)
32- 35 A4 --- Type Object class ("BLL", 142 occurrences or
"FSRQ", 317 occurrences)
37- 41 F5.3 --- z [0.027/4.4] Redshift
43- 47 F5.2 [Msun] logMbh [6.3/10.2] log Black Hole mass
49- 53 F5.2 10-7W Ldisk [42/47.4] Accretion disk luminosity; erg/s
55- 59 F5.2 [10-7W] Lgamma [42.7/51.4] log γ-ray luminosity;
in erg/s units
61- 65 F5.2 [10-7W] logL1.4GHz [39.88/47.72] log 1.4GHz luminosity; erg/s
67- 74 F8.6 10-4T B [0.001/10] Magnetic field; Gauss
76- 82 F7.3 --- delta [1/556] Doppler factor
84- 88 F5.2 [10-7W] logPrad [39/49.4] log radiation jet power; erg/s
90- 94 F5.2 [10-7W] logPe [40.6/48] log electron jet power; erg/s
96-100 F5.2 [10-7W] logPB [38/49.7] log magnetic field jet power;
in erg/s units
102-106 F5.2 [10-7W] logPp [40.4/49] log proton jet power; erg/s
108-112 F5.2 [10-7W] logLsy [42.7/50.2] log synchrotron peak frequency
luminosity
115-119 F5.2 [Hz] lognu [11.3/19.4] log synchrotron peak frequency
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History:
From electronic version of the journal
(End) Prepared by [AAS], Emmanuelle Perret [CDS] 17-Nov-2023