IERS B0746+483

Query : IERS B0746+483

Basic data :
7C 074639.89+482229.00 -- 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 (2010AJ,7C,...), QSO (2005ApJ,QSO,...), Bla (2009A&A,[MGL2009],...), X (2007AJ,1RXS), AGN (2007AJ,CGRaBS), IR (WISEA,WISE), Bz? ([SRM2005]), * (Gaia)
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) :
07 50 20.4364811904 +48 14 53.556488772 (Optical) [ 0.1297 0.1144 90 ] A 2020yCat.1350....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] : 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) :
07 46 39.9378906877 +48 22 30.425109500 [ 0.1297 0.1144 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) :
170.5951579272045 +29.3949171692673 [ 0.1297 0.1144 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 :
-0.099 0.003 [0.155 0.114 90] A 2020yCat.1350....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) 238267 [108] / z(spectroscopic) 1.95725 [0.00036] / cz 586768.8 [107.9]
   (Opt) C 2012ApJS..203...21A
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):
0.0757 [0.2671] A 2018yCat.1345....0G
Syntax of angular size is : "maj-axis min-axis angle (wtype) quality bibcode"
  • maj-axis : major axis size (arc minutes)
  • min-axis : minor axis size (arc minutes)
  • angle : orientation angle (in degrees)
  • (wtype) : wavelength class for the origin of the angular size (Rad, mm, IR, Opt, UV, Xray, Gam)
  • quality : flag of quality of the angular size values ( A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the angular size reference
Angular size (arcmin):
0.0000090 0.0000055 -16 (Rad) D 2010AJ....139.1713C
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 18.92 [~] D 2010A&A...518A..10V
V 18.70 [~] D 2010A&A...518A..10V
R 18.37 [~] D 2008ApJS..175...97H
G 18.426970 [0.007599] C 2020yCat.1350....0G
u (AB) 18.6464 [0.0211] C 2020ApJS..250....8L
g (AB) 18.4509 [0.0153] C 2020ApJS..250....8L
r (AB) 18.4133 [0.0276] C 2020ApJS..250....8L
i (AB) 18.1061 [0.0224] C 2020ApJS..250....8L
z (AB) 17.9711 [0.0269] 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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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 (45) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

7C 074639.89+482229.00 IVS B0746+483 SDSS J075020.43+481453.5 [VV2000] J075020.5+481453
BWE 0746+4822 JVAS J0750+482 TXS 0746+483 [VV2003] J075020.5+481453
CGRaBS J0750+4814 JVAS B0746+483 VCS1 J0750+4814 [VV2006] J075020.5+481453
CJ1 0746+483 MY 074640.1+481454.7 WB 0746+4822 [VV2010] J075020.5+481453
CJF B0746+483 MY 074643.9+481545.2 WISEA J075020.43+481453.5 [VV96] J075020.5+481453
CLASS J075020.4387+481453.558 NVSS J075020+481453 WISE J075020.43+481453.5 [VV98] J075020.5+481453
FIRST J075020.4+481453 OHIO I 478 WN B0746.6+4822 Gaia EDR3 933612919626347136
GB1 0746+484 QSO B0746+483 WN B0746.6+4822B Gaia DR1 933612915331234688
GB6 B0746+4822 QSO J0750+4814 [HB93] 0746+483 Gaia DR2 933612919626347136
87GB 074639.4+482233 1RXS J075019.8+481502 [MGL2009] BZQ J0750+4814
ICRF J075020.4+481453 S4 0746+48 [MML2015] 5BZQ J0750+4814
IERS B0746+483 S4 0746+483 [SRM2005] J075020.43+481453.5

References (74 between 1850 and 2022) (Total 74)
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 : 9    PLX : 1    PM : 2   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : IERS B0746+483

Link by name to the catalogue in VizieR :

BWE 0746+4822 FIRST J075020.4+481453 IERS B0746+483 NVSS J075020+481453 1RXS J075019.8+481502
SDSS J075020.43+481453.5 WISEA J075020.43+481453.5 WISE J075020.43+481453.5 WN B0746.6+4822 WN B0746.6+4822B
Gaia EDR3 933612919626347136 Gaia DR1 933612915331234688 Gaia DR2 933612919626347136

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2022.06.25-01:01:53

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