6C 164218+690201

Query : 6C 164218+690201
C.D.S. - SIMBAD4 rel 1.7 - 2019.12.14CET06:21:43

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


Basic data :
6C 164218+690201 -- 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 (Ref,4C,...), AGN (CGRaBS,[VV2000c],...), QSO (Ref,QSO,...), Bla (Ref,[MGL2009],...), X (Ref,RX), * (Gaia), Bz? ([SRM2005]), G (LEDA), IR (WISE)
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) :
16 42 07.84850549 +68 56 39.7564973 (Radio) [ 0.0423 0.0428 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) :
16 42 18.09424992 +69 02 13.2964049 [ 0.0423 0.0428 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) :
100.70587882256 +36.62134924196 [ 0.0423 0.0428 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 :
-0.324 -0.790 [1.125 1.444 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) 152329 [~] / z(~) 0.7510 [~] / cz 225144 [~]
   D 2002MNRAS.329..700S
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 (3) :
B 19.723 [~] D 2010ApJ...712..303C
R 19.219 [~] D 2010ApJ...712..303C
G 20.3946 [0.0242] C 2018yCat.1345....0G
SIMBAD with radius arcmin
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within radius 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!).
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 (53) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

4C 69.21 JVAS B1642+690 RGB J1642+689 [MGL2009] BZQ J1642+6856
BWE 1642+6902 JVAS J1642+6856 RORF 1642+690 [MML2015] 5BZQ J1642+6856
6C 164218+690201 JVAS J1642+689 RX J1642.1+6856 [P82] 1642+690
7C 1642+6902 1Jy 1642+69 S4 1642+69 [SRM2005] J164207.85+685639.7
7C 164218.10+690212.00 1Jy 1642+690 S4 1642+690 [VV2000c] J164207.8+685640
CGRaBS J1642+6856 LEDA 2821780 TXS 1642+690 [VV2003c] J164207.8+685640
CJ1 1642+690 LRWR 34 VLSS J1642.1+6856 [VV2006c] J164207.8+685640
CJF B1642+690 MY 164220.2+690202.8 VSOP J1642+6856 [VV2010] J164207.8+685640
CLASS J164207.8510+685639.746 MY 164220.2+685629.4 WB 1642+6902 [VV98c] J164207.8+685640
GB6 B1642+6902 NVSS J164207+685638 WISE J164207.84+685639.8 Gaia DR2 1648854540688432384
87GB 164216.9+690220 QSO J1642+6856 WMAP J1642+6856 Gaia DR1 1648854540688432384
ICRF J164207.8+685639 QSO B1642+690 WN B1642.3+6902
IERS B1642+690 QSO B1642+69 [DSL2000] 1641+691
IVS B1642+690 RGB J1642.1+6856 [HB93] 1642+690

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References (279 between 1850 and 2020) (Total 279)
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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                Reference summaries :

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Collections of Measurements


velocities : 7    PM : 1   

   

Observing logs


ISO : 7   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : 6C 164218+690201

Link by name to the catalogue in VizieR :

4C 69.21 BWE 1642+6902 IERS B1642+690 NVSS J164207+685638 VSOP J1642+6856
WISE J164207.84+685639.8 WN B1642.3+6902 Gaia DR2 1648854540688432384 Gaia DR1 1648854540688432384

Search by coordinates in Vizier (radius: 5 arcsec)


Annotations :
Annotations allow a user to add a note or report an error concerning the astronomical object and its data. It requires registration to post a note. See description .
The list of all annotations to SIMBAD objects can be found here .

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2019.12.14-06:21:43

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