4C 31.38

Basic data :
4C 31.38 -- Seyfert 2 Galaxy 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: Sy2 (), Rad (2019ApJS,4C,...), QSO (2015MNRAS,QSO,...), AGN ([VV2000c],[VV2003c],...), G (LEDA), * (Gaia), NIR (2MASS), MIR (WISEA), 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) : 11 56 18.7420683840 +31 28 04.676598588 (Optical) [ 0.3501 0.2353 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) : 11 53 44.0990215333 +31 44 46.490528590 [ 0.3501 0.2353 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) : 189.7839623618293 +77.2337683364085 [ 0.3501 0.2353 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 : -0.920 0.036 [0.525 0.292 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) 100536 [9] / z(spectroscopic) 0.41743 [0.00003] / cz 125142.4 [9.0]    (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): 0.3887 [0.3303] A 2020yCat.1350....0G 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 19.33 [~] D 2010A&A...518A..10V V 18.96 [~] D 2010A&A...518A..10V G 19.319448 [0.008142] C 2020yCat.1350....0G J 16.813 [0.158] C 2010AJ....139.2360S H 16.007 [0.158] C 2010AJ....139.2360S K 15.362 [0.160] C 2010AJ....139.2360S u (AB) 19.6031 [0.0297] C 2020ApJS..250....8L g (AB) 18.898 [0.012] C 2015ApJS..219...12A r (AB) 18.585 [0.011] C 2015ApJS..219...12A i (AB) 17.979 [0.010] C 2015ApJS..219...12A z (AB) 17.742 [0.024] 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 31.38	LHE 313	S2 1153+31	[PW82] 1153+31
B2 1153+31	2MASS J11561875+3128046	SDSS J115618.74+312804.7	[S77] 190
B2.1 1153+31	MITG J115619+3128	TIC 99298949	[VV2000c] J115618.8+312805
BWE 1153+3144	MY 115342.8+314437.4	TXS 1153+317	[VV2003c] J115618.8+312805
6C 115343+314446	MY 115342.8+312755.6	UT 1153+317	[VV2006c] J115618.8+312805
7C 1153+3144	NRAO 389	VRO 31.11.03	[VV2010c] J115618.8+312805
7C 115344.10+314447.00	NVSS J115618+312805	WB 1153+3144	[VV98c] J115618.8+312805
Cul 1153+317	OHIO M 389	WISEA J115618.74+312804.8	Gaia DR3 4026586506344083712
FIRST J115618.7+312804	PKS 1153+31	WK 236	Gaia DR2 4026586506344083712
GB6 B1153+3144	QSO B1153+3144	WN B1153.7+3144
87GB 115343.8+314437	QSO B1153+317	[GW2008] CoNFIG 118
LEDA 2820195	QSO J1156+3128	[HB93] 1153+317

References (136 between 1850 and 2023) (Total 136) 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

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Data at NED - NASA/IPAC Extragalactic Database : 4C 31.38

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