J/ApJ/956/60 BASS. XXXV. Stellar vel. dispersion of type 1 AGNs (Caglar+, 2023)
BASS. XXXV. The MBH-σ* relation of 105 month Swift-BAT type 1 AGNs.
Caglar T., Koss M.J., Burtscher L., Trakhtenbrot B., Erdim M.K.,
Mejia-Restrepo J.E., Ricci F., Powell M.C., Ricci C., Mushotzky R.,
Bauer F.E., Ananna T.T., Bar R.E., Brandl B., Brinchmann J., Harrison F.,
Ichikawa K., Kakkad D., Oh K., Riffel R., Sartori L.F., Smith K.L.,
Stern D., Urry C.M.
<Astrophys. J., 956, 60 (2023)>
=2023ApJ...956...60C 2023ApJ...956...60C
ADC_Keywords: Active gal. nuclei; X-ray sources; Velocity dispersion;
Galaxies, spectra; Extinction; Optical
Keywords: Supermassive black holes ; X-ray surveys ; AGN host galaxies ;
X-ray active galactic nuclei ; Active galaxies ; Galaxies ;
Galaxy bulges
Abstract:
We present two independent measurements of stellar velocity
dispersions (σ*) from the CaII H+K λ3969,3934 and
MgIbλ5183,5172,5167 region (3880-5550Å) and the calcium
triplet region (8350-8750Å) for 173 hard X-ray-selected Type 1
active galactic nuclei (AGNs; z≤0.08) from the 105 month Swift-BAT
catalog. We construct one of the largest samples of local Type 1 AGNs
that have both single-epoch virial black hole mass (MBH) estimates
and σ* measurements obtained from high spectral resolution data,
allowing us to test the usage of such methods for supermassive black
hole studies. We find that the two independent σ* measurements
are highly consistent with each other, with an average offset of only
0.002±0.001dex. Comparing MBH estimates based on broad emission
lines and stellar velocity dispersion measurements, we find that the
former is systematically lower by ∼0.12dex. Consequently, Eddington
ratios estimated through broad-line MBH determinations are similarly
biased (but in the opposite way). We argue that the discrepancy is
driven by extinction in the broad-line region. We also find an
anticorrelation between the offset from the MBH-σ* relation
and the Eddington ratio. Our sample of Type 1 AGNs shows a shallower
MBH-σ* relation (with a power-law exponent of ∼3.5) compared
with that of inactive galaxies (with a power-law exponent of ∼4.5),
confirming earlier results obtained from smaller samples.
Description:
The 70 month data release of Swift-BAT hard X-ray (14-195keV)
all-sky survey (Baumgartner+ 2013, J/ApJS/207/19) consists of 858
AGNs. The Swift/BAT AGN Spectroscopic Survey (BASS) aims to obtain
optical spectroscopy for BAT-selected AGNs. Specifically, BASS DR2
(Koss+ 2022, J/ApJS/261/2) includes optical spectra for essentially
all 70-month BAT catalog AGNs, except for six highly extincted sources
located at Galactic latitudes |b|<10°.
We also use BASS-led spectroscopy of AGNs drawn from the 105 month BAT
survey (Oh+ 2018, J/ApJS/235/4).
File Summary:
--------------------------------------------------------------------------------
FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
table1.dat 99 173 Stellar velocity dispersions and key derived
properties for our AGNs
table2.dat 79 68 Stellar velocity dispersions failures
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See also:
VII/237 : HYPERLEDA. I. Catalog of galaxies (Paturel+, 2003)
VII/233 : The 2MASS Extended sources (IPAC/UMass, 2003-2006)
J/MNRAS/276/1341 : Spectroscopy of E and S0 galaxies (Jorgensen+, 1995)
J/A+AS/118/7 : Photometry & morphology of UCM galaxies (Vitores+, 1996)
J/A+A/407/423 : Coma cluster early-type galaxies. III. (Mehlert+, 2003)
J/AJ/126/2268 : Velocity dispersions & Mg2 index of galaxies (Wegner+, 2003)
J/ApJ/613/682 : AGN central masses & broad-line regions (Peterson+, 2004)
J/AJ/132/321 : Morphology of narrow-line Seyfert 1 galaxies (Deo+, 2006)
J/ApJ/680/169 : SDSS DR5 virial black hole masses (Shen+, 2008)
J/ApJS/183/1 : Catalog of central stellar velocity dispersions (Ho+, 2009)
J/ApJS/186/427 : Detailed morphology of SDSS galaxies (Nair+, 2010)
J/ApJ/739/57 : Ultra hard X-ray AGNs in the Swift/BAT survey (Koss+, 2011)
J/MNRAS/410/166 : Morphological types from Galaxy Zoo 1 (Lintott+, 2011)
J/other/Sci/338.1445 : Relativistic jets from black hole syst. (Nemmen+, 2012)
J/ApJ/753/125 : NIR spectroscopy follow-up of 60 SDSS-DR7 QSOs (Shen+, 2012)
J/ApJS/207/19 : X-ray survey from Swift-BAT 2004-2010 (Baumgartner+, 2013)
J/A+A/565/A117 : X-Shooter Spectral Library (XSL). DR1 (Chen+, 2014)
J/ApJ/815/L13 : Compton-thick AGNs from 70-month Swift/BAT (Ricci+, 2015)
J/MNRAS/446/2823 : CO and CaT derived sigma in spiral galaxies (Riffel+, 2015)
J/ApJ/805/96 : SDSS-RM project: velocity dispersions of QSOs (Shen+, 2015)
J/ApJS/218/10 : HET Massive Galaxy Survey (HETMGS) (van den Bosch+, 2015)
J/ApJ/818/30 : Lag measurements for z<0.8 QSOs from SDSS-RM (Shen+, 2016)
J/ApJ/831/134 : BH masses & galaxy dispersion vel. (van den Bosch, 2016)
J/MNRAS/471/4990 : Nearby galaxy clusters X-ray point sources (Caglar+, 2017)
J/A+A/597/A48 : Stellar kinematics in CALIFA survey (Falcon-Barroso+, 2017)
J/ApJ/835/74 : IR phot. of AGNs in Swift/BAT 70 month (Ichikawa+, 2017)
J/ApJ/850/74 : Swift/BAT AGN Spectroscopic Survey. I. (Koss+, 2017)
J/ApJS/233/17 : Swift/BAT AGN spectroscopic survey. V. X-ray (Ricci+, 2017)
J/ApJ/865/56 : Emission line & R-band cont. LCs of 17 QSOs (Lira+, 2018)
J/ApJS/235/4 : 105-month Swift-BAT all-sky hard X-ray survey (Oh+, 2018)
J/ApJ/870/31 : BAT AGN spectroscopic survey. XI. IR phot. (Ichikawa+, 2019)
J/ApJ/903/112 : Hbeta & CIV reverberation mapped AGNs (Dalla Bonta+, 2020)
J/A+A/634/A133 : X-Shooter Spectral Library (XSL). DR2 (Gonneau+, 2020)
J/ApJS/252/29 : BAT AGN Spectroscopic Survey. XX. Mol. gas (Koss+, 2021)
J/ApJS/261/2 : BASS. XXII. Swift/BAT AGN Sp. Survey DR2 cat. (Koss+, 2022)
J/ApJS/261/6 : BASS. XXVI. DR2 stellar velocity dispersions (Koss+, 2022)
J/ApJS/261/5 : BASS. XXV. DR2 AGNs BH masses (Mejia-Restrepo+, 2022)
J/ApJS/261/4 : BASS. XXIV. DR2 sp. line measurements of AGNs (Oh+, 2022)
J/ApJS/261/8 : BASS. XXIX. NIR view of broad-line regions (Ricci+, 2022)
http://www.bass-survey.com/ : The BAT AGN Spectroscopic Survey home page
Byte-by-byte Description of file: table1.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 4 I4 --- BAT [3/1628] Swift-BAT 105-month catalog
identifier
6- 33 A28 --- CName Host galaxy identifier
35- 37 I3 km/s sigmaB [82/272]? Stellar velocity dispersion (1)
39- 40 I2 km/s e_sigmaB [3/24]? Uncertainty in sigmaB
42 I1 --- f_sigmaB [0/9]? Flag on sigmaB (0=good fit) (2)
44- 46 I3 km/s sigmaR [73/278]? Stellar velocity dispersion (3)
48- 49 I2 km/s e_sigmaR [2/29]? Uncertainty in sigmaR
51 I1 --- f_sigmaR [0/9]? Flag on sigmaR (0=good fit) (2)
53- 57 F5.3 mag Av [0/4.1]? V band extinction from dust in the
broad-line-region
59- 64 F6.3 [-] logEdd [-2.1/0.21]? Extinction uncorrected
Eddington ratio
66- 71 F6.3 [-] logEddc [-2.43/-0.37]? Extinction corrected
Eddington ratio
73- 77 F5.3 Msun/yr dM/dt [0.001/0.93]? Accrection rate
79- 99 A21 --- Inst Instrument used (Palomar/DBSP, SDSS,
VLT/X-Shooter, SOAR/Goodman or Keck/LRIS)
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Note (1): From the Ca II H+K 3969Å, 3934Å & Mg Ib 5183Å, 5172Å,
5167Å region (3880-5550Å).
Note (2): Flag as follows:
0 = good quality fit;
1 = acceptable fit;
2 = unacceptable fit;
9 = failed fit.
Note (3): From the Calcium Triplet region (CaT, 8350-8750Å)
--------------------------------------------------------------------------------
Byte-by-byte Description of file: table2.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 4 I4 --- BAT [6/1632] Swift-BAT survey identifier
6- 28 A23 --- CName Host galaxy identifier
30- 39 A10 --- Reason Reason for failure (1)
41- 46 F6.4 --- z [0.001/10.1] Spectroscopic redshift (2)
48- 53 F6.4 mag E(B-V) [0.0069/2.5] The (B-V) color excess
55- 59 F5.2 10-7W LBol [41.7/46] Bolometric luminosity; erg/s
61- 65 A5 --- Type Seyfert type based on optical spectroscopy (2)
67- 79 A13 --- Inst Best available spectra from DR2
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Note (1): Reason as follows:
AGN = spectra were dominated by AGN emission lines
contaminating the absorption lines;
lowSN = low signal-to-noise ratio;
Resolution = no suitable high-resolution spectra were available;
GalExt = high Galactic extinction.
Note (2): See Koss+ 2022, J/ApJS/261/2 and Mejia-Restrepo+ 2022, J/ApJS/261/5
for more details on redshift and Seyfert types.
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History:
From electronic version of the journal
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(End) Prepared by [AAS], Emmanuelle Perret [CDS] 22-May-2024