IERS B1831-711

Query : IERS B1831-711

Basic data :
QSO B1831-711 -- 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 (2014ApJS,ICRF,...), QSO (2010A&A,QSO,...), Bla (2009A&A,[MGL2009],...), IR (2MASS,WISEA,...), cm (AT20G,ATPMN), * (Gaia), AGN (CGRaBS), G (LEDA), X (2009A&A)
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) :
18 37 28.7147880603 -71 08 43.550532788 (Optical) [ 0.0473 0.0725 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] : 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) :
18 31 41.2123467349 -71 11 14.178288302 [ 0.0473 0.0725 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) :
323.6863942533287 -24.4569278048486 [ 0.0473 0.0725 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 :
0.052 -0.266 [0.106 0.155 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) 208526 [~] / z(spectroscopic) 1.36 [~] / cz 407718 [~]
   (Opt) D 2017ApJS..233....3T
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 17.89 [~] D 2008MNRAS.384..775M
V 17.5 [~] E ~
R 16.66 [~] D 2008ApJS..175...97H
G 17.1329 [0.0027] C 2018yCat.1345....0G
J 15.795 [0.069] C 2003yCat.2246....0C
H 14.854 [0.073] C 2003yCat.2246....0C
K 14.851 [0.082] C 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 (37) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

QSO B1831-711 2MASS J18372874-7108434 WISE J183728.71-710843.5 [VV2003] J183728.6-710844
AT20G J183728.7-710843 MRC 1831-711 WMAP 192 [VV2006] J183728.6-710844
AT20G J183728-710843 PKS 1831-711 WMAP J1837-7106 [VV2010] J183728.6-710844
ATPMN J183728.7-710843 PKS J1837-7108 WMAP J1837-7105 [VV96] J183728.6-710844
CGRaBS J1837-7108 PMN J1837-7108 WMAP J1837-7108 [VV98] J183728.6-710844
ICRF J183728.7-710843 RORF 1831-711 [HB93] 1831-711 Gaia DR1 6419637349034013440
IERS B1831-711 SUMSS J183728-710843 [MEM2008] 250 Gaia DR2 6419637349034013440
IVS B1831-711 TIC 292296009 [MGL2009] BZQ J1837-7108
1Jy 1831-711 VSOP J1837-7108 [MML2015] 5BZQ J1837-7108
LEDA 2829701 WISEA J183728.71-710843.5 [VV2000] J183728.6-710844

References (89 between 1850 and 2021) (Total 89)
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 : 2    PM : 2   

   


External archives :

Data at NED - NASA/IPAC Extragalactic Database : IERS B1831-711

Link by name to the catalogue in VizieR :

IERS B1831-711 2MASS J18372874-7108434 PKS 1831-711 PKS J1837-7108 PMN J1837-7108
SUMSS J183728-710843 VSOP J1837-7108 WISEA J183728.71-710843.5 WISE J183728.71-710843.5 Gaia DR1 6419637349034013440
Gaia DR2 6419637349034013440

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2021.09.29-00:38:08

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