IERS B0346-279

Basic data :
QSO B0346-279 -- 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 (2010ApJ,QSO,...), Bla (2009A&A,[MGL2009],...), gam (1FGL,2FGL,...), AGN (2011ApJ,CGRaBS), X (2009A&A,1RXS), MIR (WISEA,WISE), RR* (2017MNRAS), Q? (2021MNRAS), AG? (2022ApJS), G (LEDA), * (Gaia), cm (AT20G), NIR (2MASS), IR (2MASSI) 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) : 03 48 38.14457039 -27 49 13.5657855 (Radio) [ 0.0375569 0.0395 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) : 03 46 34.03619450 -27 58 21.0404705 [ 0.0375569 0.0395 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) : 224.52666792093 -50.90929790632 [ 0.0375569 0.0395 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 : -0.083 -0.135 [0.140 0.201 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) 178911 [~] / z(spectroscopic) 0.99 [~] / cz 296795 [~]    (Opt) D 2017ApJS..233....3T Syntax of morphological type is : mtype quality bibcode mtype : Hubble morphological class (spirals, ellipticals, etc) quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality) bibcode : bibcode of the morphological type reference Morphological type: E... D ~ 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): 0.0000170 0.0000062 5 (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 (7) : B 20.08 [~] D 2008MNRAS.384..775M V 18.63 [~] D 2017MNRAS.469.3688D R 17.72 [~] D 2008ApJS..175...97H G 19.000931 [0.022331] C 2020yCat.1350....0G J 16.770 [0.164] D 2003yCat.2246....0C H 16.307 [0.233] D 2003yCat.2246....0C K 15.531 [0.236] 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 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 B0346-279	IVS B0346-279	1RXS J034838.5-274906	9Y-MST J0348-2752
AT20G J034838-274913	1Jy 0346-279	SPASS J034832-274914	[HB93] 0346-279
AT20G J034838.1-274913	LEDA 2823683	TGSSADR J034838.0-274913	[MEM2008] 45
B1 0346-27	2MASS J03483813-2749127	TIC 257433210	[MGL2009] BZQ J0348-2749
CGRaBS J0348-2749	2MASSI J0348381-274913	TXS 0346-279	[MML2015] 5BZQ J0348-2749
CRATES J034840-274916	MASTER OT J034838.11-274913.4	VCS1 J0348-2749	[VV2000] J034838.1-274916
CRTS J034838.1-274913	MRC 0346-279	VLSSr J034837.9-274915	[VV2003] J034838.1-274916
1FGL J0348.5-2751	NVSS J034838-274914	VLSS J0348.6-2749	[VV2006] J034838.1-274916
2FGL J0348.6-2750	OHIO E -278	VSOP J0348-2749	[VV2010] J034838.1-274916
3FGL J0348.6-2748	PKS 0346-279	WISEA J034838.14-274913.5	[VV96] J034838.1-274916
4FGL J0348.6-2749	PKS J0348-2749	WISE J034838.13-274913.5	[VV98] J034838.1-274916
4FGL J0348.5-2749	PKS 0346-27	WISE J034838.14-274913.5	Gaia DR3 5080719708693519232
GLEAM J034838-274915	PMN J0348-2749	WMAP J0348-2747	Gaia DR1 5080719708693519232
ICRF J034838.1-274913	QSO J0348-2749	WMAP 129	Gaia DR2 5080719708693519232
IERS B0346-279	RFC J0348-2749	WMAP J0348-2754

References (190 between 1850 and 2024) (Total 190) 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 : IERS B0346-279

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