CTD 74

Query : CTD 74

Basic data :
CTD 74 -- Quasar
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:
Rad (2019ApJS,7C,...), QSO (2005ApJ,QSO,...), Bla (2009A&A,[MGL2009],...), * (PB,Gaia), AGN (2011AJ,CGRaBS), IR (WISEA,WISE), Bz? ([SRM2005])
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) :
11 25 53.71192285 +26 10 19.9786840 (Radio) [ 0.0485 0.0544 90 ] A 2015AJ....150...58F
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) :
11 23 14.87317049 +26 26 50.0888074 [ 0.0485 0.0544 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] : 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) :
210.92080202883 +70.88534081553 [ 0.0485 0.0544 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 :
0.315 0.384 [0.536 0.499 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) 250737 [~] / z(spectroscopic) 2.350000 [~] / cz 704512.28 [~]
   (Opt) D 2018A&A...613A..51P
Syntax of parallax is : 'value quality [error] bibcode'
  • value : parallax value
  • quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality)
  • [error] : mean error
  • bibcode : bibcode of the parallax reference
Parallaxes (mas):
0.2813 [0.3347] A 2018yCat.1345....0G
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 (9) :
B 18.62 [~] D 2010A&A...518A..10V
V 18.51 [~] D 2010A&A...518A..10V
R 18.39 [~] D 2008ApJS..175...97H
G 18.6185 [0.0069] C 2018yCat.1345....0G
u (AB) 18.671 [0.017] C 2012ApJS..203...21A
g (AB) 18.149 [0.006] B 2009ApJS..182..543A
r (AB) 18.233 [0.008] B 2009ApJS..182..543A
i (AB) 18.197 [0.008] B 2009ApJS..182..543A
z (AB) 18.036 [0.021] C 2012ApJS..203...21A
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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within arcsec The VizieR photometry tool allows for easy visualization of photometry points extracted around the Simbad position from photometry-enabled catalogues in VizieR.
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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Some important notes on this object about identifications and objects associations.
notes:


The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (49) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

7C 1123+2626 JVAS B1123+264 RORF 1123+264 [P82] 1123+264
B2 1123+26 B JVAS J1125+2610 S3 1123+26 [SRM2005] J112553.71+261019.9
B2.2 1123+26 B LAMOST J112553.71+261020.0 SDSS J112553.70+261019.9 [VV2000] J112553.6+261020
BWE 1123+2626 MASIV J1125+2610 SDSS J112553.70+261020.0 [VV2003] J112553.6+261020
CGRaBS J1125+2610 MITG J112554+2610 TXS 1123+264 [VV2006] J112553.6+261020
CLASS J112553.7105+261019.978 NRAO 1123+26 VCS1 J1125+2610 [VV2010] J112553.6+261020
CTD 74 NVSS J112553+261020 VSOP J1125+2610 [VV96] J112553.6+261020
FIRST J112553.7+261019 OHIO M 238 WB 1123+2626 [VV98] J112553.6+261020
GB6 B1123+2626 PB 2704 WISEA J112553.71+261020.0 Gaia DR1 3994558660340357504
87GB 112314.6+262652 PKS 1123+264 WISE J112553.71+261020.0 Gaia DR2 3994558660340357504
ICRF J112553.7+261019 PKS 1123+26 [HB93] 1123+264
IERS B1123+264 PKS J1125+2610 [MGL2009] BZQ J1125+2610
IVS B1123+264 QSO B1123+264 [MML2015] 5BZQ J1125+2610

References (132 between 1850 and 2021) (Total 132)
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 : 10    PLX : 1    PM : 2   

   


External archives :

Data at NED - NASA/IPAC Extragalactic Database : CTD 74

Link by name to the catalogue in VizieR :

BWE 1123+2626 FIRST J112553.7+261019 IERS B1123+264 MITG J112554+2610 NVSS J112553+261020
PB 2704 PKS 1123+264 PKS 1123+26 PKS J1125+2610 SDSS J112553.70+261019.9
SDSS J112553.70+261020.0 VSOP J1125+2610 WISEA J112553.71+261020.0 WISE J112553.71+261020.0 Gaia DR1 3994558660340357504
Gaia DR2 3994558660340357504

Search by coordinates in Vizier (radius: 5 arcsec)


Annotations :
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Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .

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2021.10.26-22:30:24

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