IERS B1548+056

Basic data :
4C 05.64 -- 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,4C,...), QSO (2010ApJ,QSO,...), Bla (2009A&A,[MGL2009],...), AGN (2011ApJ,CGRaBS,...), gam (1FGL,2FGL,...), MIR (WISEA,WISE), BL? (2021MNRAS), Bz? ([SRM2005]), Q? (2021MNRAS), AG? (2022ApJS), G (LEDA), * (Gaia), NIR (2MASS), Opt (SDSS) 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) : 15 50 35.26924234 +05 27 10.4483641 (Radio) [ 0.0331493 0.0368 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) : 15 48 06.93790279 +05 36 11.3316024 [ 0.0331493 0.0368 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) : 014.21644492904 +42.23083054715 [ 0.0331493 0.0368 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 : -0.012 -0.399 [0.251 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) 212368 [129] / z(spectroscopic) 1.42039 [0.00043] / cz 425822.2 [128.9]    (Opt) C 2015ApJS..219...12A 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): 0.2793 [0.2223] A 2020yCat.1350....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): 0.0000128 0.0000057 -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 (12) : B 19.10 [~] D 2010A&A...518A..10V V 18.73 [~] D 2010A&A...518A..10V R 19.02 [~] D 2008ApJS..175...97H G 18.753134 [0.009245] C 2020yCat.1350....0G J (AB) 16.963 [0.007] B 2013ApJS..206....4K H (AB) 16.399 [0.008] B 2013ApJS..206....4K K (AB) 15.988 [0.006] B 2013ApJS..206....4K u (AB) 18.887 [0.020] C 2015ApJS..219...12A g (AB) 18.624 [0.008] B 2015ApJS..219...12A r (AB) 18.265 [0.008] B 2015ApJS..219...12A i (AB) 18.015 [0.008] B 2015ApJS..219...12A z (AB) 17.755 [0.017] C 2015ApJS..219...12A	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.

4C 05.64	IERS B1548+056	QSO J1550+0527	Zel 1548+055
BWE 1548+0536	IVS B1548+056	RC J1550+0524	[GR92] 1548+056
CGRaBS J1550+0527	JVAS J1550+0527	RFC J1550+0527	[GW2008] CoNFIG 232
CLASS J155035.2683+052710.471	JVAS B1548+056	RORF 1548+056	[HB93] 1548+056
CRATES J155035+052702	1Jy 1548+056	SDSS J155035.27+052710.4	[MGL2009] BZQ J1550+0527
Cul 1548+056	LEDA 2818646	SQUAD DR1 J155035+052710	[MML2015] 5BZQ J1550+0527
DW 1548+05	MASIV J1550+0527	TGSSADR J155035.2+052709	[P82] 1548+056
1FGL J1550.7+0527	2MASS J15503527+0527105	TIC 272699209	[SRC2012b] J1550+0527
2FGL J1550.7+0526	MITG J155036+0526	TXS 1548+056	[SRM2005] J155035.26+052710.4
3FGL J1550.5+0526	MRC 1548+056	UT 1548+056	[VV2000] J155035.3+052710
4FGL J1550.7+0528	NEWPS5 J1550+0527	VSOP J1550+0527	[VV2003] J155035.3+052710
FIRST J155035.2+052710	NVSS J155035+052710	WB 1548+0536	[VV2006] J155035.3+052710
GB6 J1550+0527	OHIO R 080	WISEA J155035.27+052710.4	[VV2010] J155035.2+052710
GB6 B1548+0536	PCCS2 143 G014.20+42.21	WISE J155035.27+052710.6	[VV96] J155035.3+052710
87GB 154807.0+053603	PKS J1550+0527	WISE J155035.27+052710.4	[VV98] J155035.3+052710
GLEAM J155035+052712	PKS 1548+056	WMAP 7	Gaia DR3 4426441570690915712
GRA B1547+06	PMN J1550+0527	WMAP J1550+0526	Gaia DR1 4426441570690915712
ICRF J155035.2+052710	QSO B1548+056	WMAP J1550+0527	Gaia DR2 4426441570690915712

References (348 between 1850 and 2024) (Total 348) 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 B1548+056

Link by name to the catalogue in VizieR :

Search by coordinates in Vizier (radius: 5 arcsec)

Annotations :
Annotations allow a user to add a note or report an error concerning the astronomical object and its data. It requires registration to post a note. See description .
Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .

Currently no annotations available

add an annotation to this object

report an error concerning the data of this object

Store this result in Votable, in Ascii, or in the CDS portal

To bookmark this query, right click on this link: simbad:IERS B1548+056 and select 'bookmark this link' or equivalent in the popup menu