coord 02 04 57.674333 -17 01 19.83900 (ICRS, J2000, 2000.0), radius: 2 arcmin

Query : coord 02 04 57.674333 -17 01 19.83900 (ICRS, J2000, 2000.0), radius: 2 arcmin
CLEAR

Basic data :
QSO B0202-172 -- Quasar
Distance to the center arcsec: 0.00
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 (2014ApJS,ICRF,...), QSO (2010ApJ,QSO,...), gam (0FGL,1FGL,...), Bla (2009A&A,[MGL2009],...), IR (2MASS,2MASSI,...), X (2009A&A,RX,...), AGN (2011ApJ,CGRaBS), G (6dFGS,LEDA), * (Gaia), cm (AT20G)
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) :
02 04 57.67434602 -17 01 19.8403980 (Radio) [ 0.0678 0.0939 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) :
02 02 34.52023247 -17 15 39.5916146 [ 0.0678 0.0939 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) :
185.99292292087 -70.23168281699 [ 0.0678 0.0939 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 :
-0.255 -0.025 [0.219 0.177 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) 229293 [45] / z(~) 1.73949 [0.00015] / cz 521486.0 [45.0]
   (Opt) C 2009MNRAS.399..683J
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 (7) :
B 18.18 [~] D 2008MNRAS.384..775M
V 18 [~] E ~
R 17.19 [~] D 2008ApJS..175...97H
G 17.4330 [0.0074] C 2018yCat.1345....0G
J 16.042 [0.081] C 2003yCat.2246....0C
H 15.828 [0.128] D 2003yCat.2246....0C
K 15.213 [0.154] D 2003yCat.2246....0C
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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sedIcon
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 (57) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

QSO B0202-172 1Jy 0202-17 TXS 0202-172 [MML2015] 5BZQ J0204-1701
AT20G J020457-170120 LEDA 2822922 VLSS J0204.9-1701 [P82] 0202-172
AT20G J020457.7-170120 2MASS J02045766-1701200 VSOP J0204-1701 [S77] 55
CGRaBS J0204-1701 2MASSI J0204576-170119 WISEA J020457.67-170119.8 [VV2000] J020457.7-170119
6dFGS gJ020457.7-170120 MRC 0202-172 WISE J020457.66-170119.8 [VV2003] J020457.7-170119
0FGL J0204.8-1704 NVSS J020457-170119 WISE J020457.67-170119.8 [VV2006] J020457.7-170119
1FGL J0205.0-1702 PKS 0202-172 WISH B0202.5-1715 [VV2010] J020457.7-170119
2FGL J0205.3-1657 PKS 0202-17 WMAP J0205-1704 [VV96] J020457.7-170119
3FGL J0205.2-1700 PKS J0204-1701 WMAP J0205-1703 [VV98] J020457.7-170119
4FGL J0205.0-1700 PMN J0204-1701 WMAP J0204-1703 [WPW2003] J0204-1701
1FLE J0206-1705 QSO B0202-1715 WMAP J0205-1705 Gaia DR1 5144596626983822464
ICRF J020457.6-170119 RORF 0202-172 [GR92] 0202-172 Gaia DR2 5144596631278605568
IERS B0202-172 RX J0204.9-1701 [HB93] 0202-172
IVS B0202-172 1RXS J020457.6-170109 [MEM2008] 26
1Jy 0202-172 TIC 257500504 [MGL2009] BZQ J0204-1701

References (214 between 1850 and 2021) (Total 214)
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 : 8    PM : 2   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : QSO B0202-172

Link by name to the catalogue in VizieR :

IERS B0202-172 2MASS J02045766-1701200 2MASSI J0204576-170119 NVSS J020457-170119 PKS 0202-172
PKS 0202-17 PKS J0204-1701 PMN J0204-1701 1RXS J020457.6-170109 VSOP J0204-1701
WISEA J020457.67-170119.8 WISE J020457.66-170119.8 WISE J020457.67-170119.8 WISH B0202.5-1715 Gaia DR1 5144596626983822464
Gaia DR2 5144596631278605568

Search by coordinates in Vizier (radius: 5 arcsec)


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2021.10.21-02:26:34

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