3C 48

Basic data :
3C 48 -- 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,6C,...), QSO (2010A&A,QSO,...), IR (IRAS,2MASSI,...), X (2E,RX,...), UV (PG,UVQS), MIR (WISEA,WISE), Opt (LAMOST,SDSS), AGN (2016AJ), G (LEDA), * (Gaia), NIR (2MASS) 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) : 01 37 41.2996631208 +33 09 35.080388820 (Optical) [ 0.0460 0.0362 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) : 01 34 49.8316198289 +32 54 20.089702791 [ 0.0460 0.0362 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) : 133.9625798293549 -28.7194181498361 [ 0.0460 0.0362 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 : -0.027 -0.026 [0.049 0.042 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) 91180 [899] / z(spectroscopic) 0.369 [0.003] / cz 110623 [899]    (Opt) D 2016AJ....152...25M 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 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 (11) : B 16.62 [~] D 2010A&A...518A..10V V 16.20 [~] D 2010A&A...518A..10V G 15.929190 [0.004507] C 2020yCat.1350....0G J 14.585 [0.032] C 2003yCat.2246....0C H 13.806 [0.032] C 2003yCat.2246....0C K 12.719 [0.026] C 2003yCat.2246....0C u (AB) 16.616 [0.008] B 2012ApJS..203...21A g (AB) 16.153 [0.004] B 2012ApJS..203...21A r (AB) 15.828 [0.005] B 2012ApJS..203...21A i (AB) 15.860 [0.006] B 2012ApJS..203...21A z (AB) 15.446 [0.007] B 2012ApJS..203...21A	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: First detection of the apparent second nucleus [ZES2004] 3C 48A about 1"NE of the bright nucleus 3C 48 (2004A&A...414..919Z) See also Specfind radio flux densities.

6C 013449+325426	1Jy 0134+32	RORF 0134+329	[FA87] 0134+329
B2 0134+32	LAMOST J013741.30+330935.1	RX J0137.6+3309	[GR92] 0134+329
B2.1 0134+32	LAMOST J013741.30+330935.0	1RXS J013741.7+330931	[HB93] 0134+329
BWE 0134+3254	LEDA 73991	S2 0134+32	[P82] 0134+329
3C 48.0	2MASS J01374130+3309350	SDSS J013741.30+330935.0	[S77] 37
3C 48	2MASSI J0137413+330935	TGSSADR J013741.3+330935	[SJS95] 0134+329
4C 32.08	MITG J013742+3309	TIC 61422191	[VV2000] J013741.3+330935
3CR 48	MY 013449.5+330945.8	TXS 0134+329	[VV2003] J013741.3+330935
CTA 15	NRAO 79	UVQS J013741.30+330935.0	[VV2006] J013741.3+330935
Cul 0134+328	NVSS J013741+330935	VSOP J0137+3309	[VV2010] J013741.3+330935
DA 54	OHIO C 358	WB 0134+3254	[VV96] J013741.3+330935
2E 444	PG 0134+329	WISEA J013741.30+330935.0	[VV98] J013741.3+330935
2E 0134.8+3254	PKS 0134+329	WISE J013741.29+330935.2	[VYP98] 0134+329
GB6 B0134+3254	PSCz Q01348+3254	WISE J013741.30+330935.0	[WTW94] 0134+329
87GB 013448.6+325430	QSO B0134+3254	WN B0134.8+3254	EQ J0137+331
ICRF J013741.2+330935	QSO J0137+3309	[A86] 0134+329	Gaia DR3 316083930556737152
IERS B0134+329	QSO B0134+329	[CAB95] IRAS F01348+3254	Gaia DR1 316083926261905664
IRAS 01348+3254	QSO B0134+32	[D71] 0134+32	Gaia DR2 316083930556737152
IRAS F01348+3254	RGB J0137.7+3309	[DGW65] 8
1Jy 0134+329	RGB J0137+331	[DML87] 586

References (2765 between 1850 and 2023) (Total 2765) 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 : 3C 48

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