NGC 4874

Basic data :
NGC 4874 -- LINER-type Active Galaxy Nucleus 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: G (2011MNRAS,ECO,...), Rad (B2,BWE,...), GiC (CAIRNS,GIN,...), rG (2012MNRAS,[BGH2001],...), X (2XMM,2XMMi,...), LIN (2014ApJ), EmG (2019ApJ), BiC (2008MNRAS), GiG ([CHM2007]), * (Gaia), UV (FOCA), 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) : 12 59 35.7093764280 +27 57 33.293892204 (Optical) [ 26.3460 22.3699 90 ] C 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) : 12 57 10.9373479611 +28 13 43.013308591 [ 26.3460 22.3699 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) : 058.0834777147512 +88.0100601515266 [ 26.3460 22.3699 90 ] 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) 7082 [3] / z(spectroscopic) 0.02391 [0.00001] / cz 7168.0 [3.0]    (Opt) C 2011yCat.2306....0A 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: E0A C 2015A&A...576A.135G 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): 1.330 1.197 60 (NIR) C 2006AJ....131.1163S 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 (14) : U 13.01 [0.00] D 2008A&A...490..923M B 13.7 [~] D 1999PASP..111..438F V 11.40 [0.00] D 2008A&A...490..923M R 12.122 [~] D 2007ApJS..169..225E G 21.899170 [0.060397] C 2020yCat.1350....0G I 11.386 [~] D 2007ApJS..169..225E J 9.846 [0.021] C 2006AJ....131.1163S H 9.024 [0.024] C 2006AJ....131.1163S K 8.860 [0.030] C 2006AJ....131.1163S u (AB) 14.667 [0.007] C 2012ApJS..203...21A g (AB) 12.929 [0.002] C 2009ApJS..182..543A r (AB) 12.101 [0.002] C 2009ApJS..182..543A i (AB) 11.660 [0.002] C 2009ApJS..182..543A z (AB) 11.385 [0.002] C 2009ApJS..182..543A	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: associated to 5C 4.85 Brightest Galaxy of the cluster: ACO 1656 (Hudson et al., 2001MNRAS.327..265H) See also Specfind radio flux densities.

NGC 4874	MPMM 123	Z 160-A22	[FWB89] Galaxy 321
B2 1257+28	NAME TT 12	Z 160A-22	[HVH2010] Comai J125935.698+275733.36
B2.2 1257+28	NFP J125935.7+275734	Z 160-231	[K94] 125710.70+281346.0
BWE 1257+2813	NVSS J125935+275736	Z 1257.2+2814	[KK90] 169
5C 4.85	10P 236	[BGH2001] 237	[L84] A1656-G2
7C 125711.1+281351	PiGSS J125935+275735	[BO85] Coma 1	[LGF2005] B125711+281340
CAIRNS J125935.60+275734.0	SDSS J125935.70+275733.3	[BTM97] ACO 1656 2	[LO95] 1257+282
CLU J125935.76+275733.4	TGSSADR J125935.4+275735	[CHM2007] HDC 745 J125935.70+2757338	[LPS2014] 194.8985+27.9592
ECO 3822	UGC 8103	[CHM2007] LDC 926 J125935.70+2757338	[MHR2010] 194.8988+27.9593
FOCA 0728-499	UZC J125935.6+275734	[CRJ2004] J1259.5+2757	[MO2001b] J125935.7+275732.3
GIN 765	VLSSr J125935.3+275735	[D80] ACO 1656 129	[MOL2003] A1656 J125935+275730
GMP 3329	VLSS J1259.5+2757	[DC78] UGC 8103	[OLK95] 1257+282
GP 489	4W 1257+28W01	[DFO95] 246	[OR76] 1257+282
LEDA 44628	7W 1257+28W01	[DLB87] C11	[OSR2002] b089
2MASX J12593570+2757338	WSTB 74W16	[EDG2007] 3	[PL95] ACO 1656 G2
2MASX J12593562+2757360	2XMM J125935.6+275733	[FBH2004] X281	[ZBO89] ACO 1656-5
MCG+05-31-070	2XMMi J125935.6+275733	[FBH2004] S89	Gaia DR3 1460807716986742400

References (776 between 1850 and 2024) (Total 776) 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 : NGC 4874

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