2001A&A...368..408F


C.D.S. - SIMBAD4 rel 1.7 - 2019.10.15CEST00:12:51

2001A&A...368..408F - Astronomy and Astrophysics, volume 368, 408-413 (2001/3-3)

Deep imaging of Q2112+059: A bright host galaxy but no DLA absorber.

FYNBO J.U., MOLLER P. and THOMSEN B.

Abstract (from CDS):

In an ongoing programme aimed at studying galaxy counterparts of Damped Lyα Absorbers (DLAs) we have obtained high resolution deep I-band imaging data of the field around the zem=0.457 BAL QSO Q2112+059. In the literature this QSO is listed to have a candidate DLA at zabs=0.2039 along the line of sight. After subtraction of the QSO Point Spread Function (PSF) we detect a galaxy centred on the position of Q2112+059. To help answer whether this galaxy is the DLA or the QSO host galaxy we retrieved a GHRS spectrum of Q2112+059 from the HST-archive. This spectrum shows that there is no Lyα absorption line at zabs=0.2039. This fact in combination with the perfect alignment on the sky of the galaxy and Q2112+059 lead us to the conclusion that the galaxy must be the host galaxy of Q2112+059. The host galaxy of Q2112+059 is bright (MIobs=-23.6), and has a radial profile well fitted by a modified Hubble + de Vaucouleurs profile with Rc=0.5kpc and Re=3.6kpc. Our results are well in line with the conclusion of earlier work done at lower redshifts, that bright low redshift QSOs preferentially reside in luminous, elliptical galaxies. The host of Q2112+059 is however, despite its brightness, very compact when compared to early type galaxies at lower redshifts.

Abstract Copyright:

Journal keyword(s): quasars - absorption lines, quasars - Q2112+059, galaxies - active, galaxies - elliptical, lenticular, cD

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 - 2019
#notes
1 2MASS J21145258+0607423 Sy1 21 14 52.5774242314 +06 07 42.435724828   16.06 15.77     ~ 196 0

    Equat.    Gal    SGal    Ecl

C.D.S. - SIMBAD4 rel 1.7 - 2019.10.15CEST00:12:51

Available data : Basic data  •  Identifiers  •  Plot & images  •  Bibliography  •  Measurements  •  External archives  •  Notes  •  Annotations


Basic data :
2MASS J21145258+0607423 -- Seyfert 1 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:
Sy1 (), QSO (QSO,[BDW2002],...), UV (PG,UVQS), X (2XMM), * (Gaia), Q? ([CSC85]), AGN (Ref), 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] : coordinates error major axis, minor axis (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) :
21 14 52.5774242314 +06 07 42.435724828 (Optical) [ 0.0363 0.0426 90 ] A 2018yCat.1345....0G
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] : coordinates error major axis, minor axis (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) :
21 12 23.4793543154 +05 55 12.845676125 [ 0.0363 0.0426 90 ]
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] : coordinates error major axis, minor axis (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) :
057.0402280071367 -28.0145958463672 [ 0.0363 0.0426 90 ]
Syntax of proper motions is : "pm-ra pm-dec [error ellipse] quality bibcode"
  • pm-ra : mu-ra*cos(dec) (expressed in the ICRS system in mas/yr)
  • pm-dec : mu-dec (expressed in the ICRS system in mas/yr)
  • [error ellipse] : error major axis and minor axis (in mas), orientation angle (in deg)
  • quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the proper motion reference
Proper motions mas/yr :
0.039 -0.136 [0.076 0.081 90] A 2018yCat.1345....0G
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) 108151 [899] / z(spectroscopic) 0.459 [0.003] / cz 137605 [899]
   (Opt) D 2016AJ....152...25M
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 (11) :
B 16.06 [~] D 2010A&A...518A..10V
V 15.77 [~] D 2010A&A...518A..10V
G 15.3040 [0.0017] C 2018yCat.1345....0G
J 14.577 [0.038] C 2003yCat.2246....0C
H 13.833 [0.033] C 2003yCat.2246....0C
K 12.856 [0.032] C 2003yCat.2246....0C
u (AB) 15.969 [0.006] B 2009yCat.2294....0A
g (AB) 15.627 [0.004] B 2009yCat.2294....0A
r (AB) 15.507 [0.004] B 2009yCat.2294....0A
i (AB) 15.356 [0.004] B 2009yCat.2294....0A
z (AB) 15.283 [0.005] B 2009yCat.2294....0A
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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 (22) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

2MASS J21145258+0607423 QSO B2112+059 [CSC85] 2112.4+0592 [VV96] J211452.6+060742
PG 2112+05 SDSS J211452.58+060742.4 [HB93] 2112+059A [VV98] J211452.6+060742
PG 2112+059 UVQS J211452.58+060742.3 [VV2000] J211452.6+060742 [WTW94] 2112+059A
QSO B2112+0555 2XMM J211452.5+060742 [VV2003] J211452.6+060742 Gaia DR2 1733531027815710848
QSO J2114+0607 [BDW2002] q2112+0556 [VV2006] J211452.6+060742
QSO B2112+059A [BDW2002] q2112+0555 [VV2010] J211452.6+060742

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References (196 between 1850 and 2019) (Total 196)
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 : 4    PM : 1   

   

Observing logs


ISO : 5    XMM : 1    herschel : 5    IUE : 2   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : 2MASS J21145258+0607423

Link by name to the catalogue in VizieR :

2MASS J21145258+0607423 PG 2112+05 PG 2112+059 SDSS J211452.58+060742.4 Gaia DR2 1733531027815710848

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2019.10.15-00:12:51

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