2022A&A...661A...9B


Query : 2022A&A...661A...9B

2022A&A...661A...9B - Astronomy and Astrophysics, volume 661A, 9-9 (2022/5-1)

The eROSITA Final Equatorial-Depth Survey (eFEDS). The first archetypal quasar in the feedback phase discovered by eROSITA.

BRUSA M., URRUTIA T., TOBA Y., BUCHNER J., LI J.-Y., LIU T., PERNA M., SALVATO M., MERLONI A., MUSIIMENTA B., NANDRA K., WOLF J., ARCODIA R., DWELLY T., GEORGAKAKIS A., GOULDING A., MATSUOKA Y., NAGAO T., SCHRAMM M., SILVERMAN J.D. and TERASHIMA Y.

Abstract (from CDS):

Theoretical models of the co-evolution of galaxies and active galactic nuclei (AGNs) ascribe an important role in the feedback process to a short, luminous, obscured, and dust-enshrouded phase during which the accretion rate of the supermassive black hole is expected to be at its maximum and the associated AGN-driven winds are also predicted to be maximally developed. To test this scenario, we have isolated a textbook candidate from the eROSITA Final Equatorial-Depth Survey (eFEDS) obtained within the performance and verification program of the eROSITA telescope on board the Spectrum Rontgen Gamma mission. From an initial catalogue of 246 hard X-ray selected sources that are matched with the photometric and spectroscopic information available within the eROSITA and Hyper Suprime-Cam consortia, three candidates quasars in the feedback phase have been isolated applying a diagnostic proposed previously. Only one source (eFEDS J091157.4+014327) has a spectrum already available (from SDSS-DR16, z = 0.603) and it unambiguously shows abroad component (full width at half maximum ∼1650 kms–1) in the [OIII]5007 line. The associated observed L[OIII] is ∼2.6 x 1042 erg s–1, one to two orders of magnitude higher than that observed in local Seyfert galaxies and comparable to those observed in a sample of z ∼ 0.5 type 1 quasars. From the multi-wavelength data available, we derive an Eddington ratio (Lbol/LEdd) of ∼0.25 and a bolometric correction in the hard X-ray band of kbol ∼ 10, which is lower than the corrections observed for objects at similar bolometric luminosity. These properties, along with the outflow, the high X-ray luminosity, the moderate X-ray obscuration (LX∼ 1044.8 erg s–1, NH ∼ 2.7 x 1022 cm–2), and the red optical colour, all match the prediction of quasars in the feedback phase from merger-driven models. Forecasting to the full eROSITA all-sky survey with its spectroscopic follow-up, we predict that by the end of 2024, we will have a sample of few hundred such objects at z= 0.5-2.

Abstract Copyright: © ESO 2022

Journal keyword(s): galaxies: active - X-rays: general - X-rays: individuals: eFEDS J091157.4+014327 - ISM: jets and outflows

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 - 2022
#notes
1 eFEDS J091157.4+014327 Sy2 09 11 57.544 +01 43 27.53   22.61 21.90     ~ 27 0

Query : 2022A&A...661A...9B

Basic data :
eFEDS J091157.4+014327 -- Seyfert 2 Galaxy
Origin of the objects types :

(Ref) Object type as listed in the reference "Ref"
(acronym) Object type linked to the acronym according to the original reference
() Anterior to 2007, before we can link the objet type to a reference, or given by the CDS team in some particular cases

Other object types:
Sy2 (), QSO (2017A&A,F2MS), AGN ([VV2006c],[VV2010c]), G (2018MNRAS,WiggleZ), Rad (FIRST,NVSS), rG (2019ApJS), Q? ([UBW2009]), X (eFEDS), IR (2MASS)
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
ICRS coord. (ep=J2000) :
09 11 57.544 +01 43 27.53 (Infrared) [ 160 150 23 ] C 2003yCat.2246....0C
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
FK4 coord. (ep=B1950 eq=1950) :
09 09 22.368 +01 55 48.38 [ 160 150 23 ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
Gal coord. (ep=J2000) :
229.002109 +31.710092 [ 160 150 23 ]
Syntax of radial velocity (or/and redshift) is : "value [error] (wavelength) quality bibcode"
  • value : radial velocity or/and redshift (Heliocentric frame) according to your Output Options
    (redshift may be not displayed if the data value is <0 and the database inside value is a radial velocity)
  • [error] : error of the corresponding value displayed before
  • (wavelength) : wavelength range of the measurement : Rad, mm, IR, Opt, UV, Xray, Gam or  '∼'(unknown)
  • quality : flag of quality ( A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the value's origin
Radial velocity / Redshift / cz :
V(km/s) 131784 [54] / z(spectroscopic) 0.60274 [0.00018] / cz 180696.9 [54.0]
   (Opt) C 2018MNRAS.474.4151D
Syntax of fluxes (or magnitudes) is : "filter-name (System) flux-value [error] quality MultVarFlags bibcode"
  • filter-name : U, B, V, R, I, G, J, H, K, u, g, r, i, z
  • (System) : may be AB (default is Vega)
  • flux-value : value of flux or magnitude
  • [error] : error value
  • quality : flag of quality of the flux value ( A=best quality -> E=worst quality, {� } =unknown quality)
  • MultVarFlags : Mult is zero or one char (J) for joined photometry ; Var can be zero or two chars (V[0-4])
  • bibcode : bibcode of the flux reference
Fluxes (10) :
B 22.61 [~] D 2010A&A...518A..10V
V 21.90 [~] D 2010A&A...518A..10V
J 17.091 [0.278] C 2010AJ....139.2360S
H 16.231 [0.201] C 2010AJ....139.2360S
K 14.868 [0.134] C 2010AJ....139.2360S
u (AB) 22.7896 [0.3007] D 2020ApJS..250....8L
g (AB) 22.3045 [0.0899] C 2020ApJS..250....8L
r (AB) 21.5261 [0.0610] C 2020ApJS..250....8L
i (AB) 20.4058 [0.0327] C 2020ApJS..250....8L
z (AB) 19.9920 [0.0839] C 2020ApJS..250....8L
SIMBAD within arcmin
', {sourceSize:12, color:'#30a090'})); aladin.on('objectClicked', function(object) { var objName=object.data.MAIN_ID; aladin.showPopup(object.ra,object.dec,'',''+ objName+''); });" title="Show Simbad objects"> Overlay Simbad points in this preview
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The search radius has to be specified by the user. It is currently limited to a maximum of 30 arcsec. It depends mostly on the precision or quality of the coordinates (SIMBAD and VizieR catalogs), the resolution of the images from which the sources were extracted, source extent, and source crowding.
Suggestions are: crowded field: 0.5 to 1.5 arcsec, 3 arcsec otherwise; uncertain coordinates (SIMBAD quality E or coordinates without reference): 5 to 30 arsec (risky!).
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The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (13) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

2MASS J09115754+0143275 NVSS J091157+014331 TIC 286040939 [VV2010c] J091157.6+014327
eFEDS J091157.4+014327 SDSS J091157.55+014327.6 WiggleZ Y09J091157551+01432754
F2MS J0911+0143 SDSS J091157.55+014327.5 [UBW2009] 23
FIRST J091157.5+014327 SDSS J091157.54+014327.6 [VV2006c] J091157.6+014327

References (27 between 1850 and 2022) (Total 27)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Collections of Measurements


velocities : 9   

   


External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : eFEDS J091157.4+014327

Link by name to the catalogue in VizieR :

2MASS J09115754+0143275 FIRST J091157.5+014327 NVSS J091157+014331 SDSS J091157.55+014327.6 SDSS J091157.55+014327.5
SDSS J091157.54+014327.6

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2022.08.09-16:54:39

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