Gaia DR2 5703741342461530368

Basic data :
QSO B0834-201 -- 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,B1,...), QSO (2010A&A,QSO,...), Bla (2009A&A,[MGL2009],...), X (2009A&A,2E,...), AGN (2020MNRAS,CGRaBS), gam (3FGL,4FGL), MIR (WISEA,WISE), Q? (2021MNRAS), AG? (2022ApJS), * (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) : 08 36 39.21525204 -20 16 59.5042773 (Radio) [ 0.0321949 0.0337 0 ] A 2020A&A...644A.159C 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) : 08 34 24.61113480 -20 06 30.3372192 [ 0.0321949 0.0337 0 ] 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) : 243.57066512705 +12.23111898989 [ 0.0321949 0.0337 0 ] 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 : -0.165 -0.175 [0.222 0.226 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) 259986 [~] / z(spectroscopic) 2.75 [~] / cz 824429 [~]    (Opt) D 2017ApJS..233....3T 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): 0.0000128 0.0000048 -4 (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 (4) : B 19.45 [~] D 2008MNRAS.384..775M V 19.4 [~] E ~ R 18.76 [~] D 2008ApJS..175...97H G 19.061184 [0.004561] C 2020yCat.1350....0G	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 points in this preview 2MASS DSS SDSSXMMIRACIRISGALEX All (CDSPortal) Send to 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!).
Some important notes on this object about identifications and objects associations. notes: See also Specfind radio flux densities.

QSO B0834-201	MRC 0834-201	VCS2 J0836-2016	[MML2015] 5BZQ J0836-2016
AT20G J083639.2-201658	NVSS J083639-201658	VLSSr J083639.5-201646	[OKM2018] SWIFT J0836.6-2025
AT20G J083639-201658	OHIO J -257.5	VLSS J0836.6-2016	[P82] 0834-201
B1 0834-20	PKS 0834-20	VSOP J0836-2016	[SJS95] 0834-201
CGRaBS J0836-2016	PKS 0834-200	WISEA J083639.20-201659.5	[VV2000] J083639.1-201659
CRATES J083639-201705	PKS 0834-201	WISE J083639.20-201659.5	[VV2003] J083639.1-201659
2E 2016	PKS J0836-2016	WISH B0834.4-2006	[VV2006] J083639.1-201659
2E 0834.3-2006	PMN J0836-2017	WMAP 144	[VV2010] J083639.1-201659
3FGL J0836.5-2020	QSO J0836-202	WMAP J0836-2015	[VV96] J083639.1-201659
4FGL J0836.5-2026	QSO B0834-2006	WMAP J0836-2014	[VV98] J083639.1-201659
GLEAM J083638-201655	QSO J0836-2016	WMAP J0836-2017	[WCO2009] J083638-201552
ICRF J083639.2-201659	RFC J0836-2016	[HB93] 0834-201	[WHL2012b] J0836-2017
IERS B0834-201	RORF 0834-201	[LBC2010] B0834-201	[WPW2003] J0836-2016
IVS B0834-201	SPASS J083636-201705	[LWT91] 0834-2006	[WTW94] 0834-201
1Jy 0834-20	SWIFT J0836.6-2025	[MEM2008] 110	Gaia DR3 5703741342461530368
1Jy 0834-201	TGSSADR J083639.2-201659	[MGL2009] BZQ J0836-2016	Gaia DR2 5703741342461530368

References (209 between 1850 and 2024) (Total 209) Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system). Follow new references on this object

Collections of Measurements

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : Gaia DR2 5703741342461530368

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