NGC 4874

Query : 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 Simbad points in this preview
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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!). sed-help-icon
Some important notes on this object about identifications and objects associations.
notes:

Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 9
The count displayed here is the number of children objects.
The list obtained by clicking the button may be larger, as some children may be linked with different references or probability.

%This number is the number of distinct objets linked, by using this button, you will obtain all links (may be more than one) from that object to his children

: 2 		: 6533 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (68) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

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 (780 between 1850 and 2024) (Total 780)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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                Reference summaries :

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Collections of Measurements


velocities : 29    distance : 7    Fe_H : 2   

   

Observing logs


ISO : 7    IUE : 1   

   

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : NGC 4874

Link by name to the catalogue in VizieR :

NGC 4874 BWE 1257+2813 GMP 3329 2MASX J12593570+2757338 2MASX J12593562+2757360
NVSS J125935+275736 SDSS J125935.70+275733.3 UGC 8103 Gaia DR3 1460807716986742400

Search by coordinates in Vizier (radius: 30 arcsec)

Annotations :
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Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .

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