@1937204

Basic data :
M 87 -- 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: LIN (), BiC (), Rad (2020A&A,BWE,...), G (2014ApJS,APG,...), X (1A,2A,...), gam (1FGL,2FGL,...), AGN (2011ApJ,[VV2000c],...), GiC (ACSVCS,GIN,...), UV (2EUVE,EUVE,...), rG (2012MNRAS), AG? (2020MNRAS), IR (IRAS,[DML87]), QSO (QSO), BL? (2021MNRAS), GiG ([CHM2007]), * (Gaia), 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 30 49.42338414 +12 23 28.0436859 (Radio) [ 0.0304732 0.0308 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) : 12 28 17.60290329 +12 40 01.3345803 [ 0.0304732 0.0308 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) : 283.77775499474 +74.49115452365 [ 0.0304732 0.0308 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 : -8.029 10.734 [1.178 0.932 90] A 2018yCat.1345....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) 1256 [36] / z(spectroscopic) 0.00420 [0.00012] / cz 1259.1 [36.0]    (Opt) E 2009ApJS..182..543A 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-E/S0 C 2014A&A...569A.124V 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): 9.12 7.94 ~ (Opt) D 2003A&A...412...45P 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 (13) : U 10.16 [0.04] D 2007ApJS..173..185G B 9.59 [0.04] D 2007ApJS..173..185G V 8.63 [0.04] D 2007ApJS..173..185G G 15.7940 [0.0117] C 2018yCat.1345....0G I 7.49 [~] D 2012A&A...538A..69L J 6.719 [0.017] C 2006AJ....131.1163S H 6.074 [0.018] C 2006AJ....131.1163S K 5.812 [0.019] C 2006AJ....131.1163S u (AB) 13.480 [0.003] C 2009ApJS..182..543A g (AB) 11.563 [0.002] C 2009ApJS..182..543A r (AB) 10.703 [0.002] C 2009ApJS..182..543A i (AB) 10.272 [0.002] C 2009ApJS..182..543A z (AB) 9.917 [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: brightest galaxy of NAME NGC 4486 GROUP See GALEX UV data in GALEX data See also Specfind radio flux densities.

M 87	GB6 J1230+1223	NVSS J123049+122323	XSS J12309+1223
1A 1228+12	GB6 B1228+1240	NVSS J123049+122321	X Vir X-1
2A 1228+125	87GB 122819.0+124029	PCCS1 857 G283.74+74.48	X Vir XR-1
3A 1228+125	GIN 800	PCCS1 545 G283.76+74.47	9Y-MST J1230+1221
ACSVCS 2	1H 1226+128	PCCS2 143 G283.76+74.50	Z 70-139
APG 152	H 1228+127	PKS J1230+1223	Z 1228.3+1240
BWE 1228+1240	H 1227+12	PKS 1228+12	[BEC2010] HRS 183
3C 274.0	ICRF J123049.4+122328	PKS 1228+126	[CAB95] IRAS F12282+1240
3C 274	IERS B1228+126	PKS 1228+127	[CHM2007] HDC 720 J123049.42+1223279
4C 12.45	IGR J12310+1221	QSO B1228+126	[CHM2007] LDC 904 J123049.42+1223279
3CR 274	IRAS F12282+1240	RFC J1230+1223	[DC78] UGC 7654
CTA 54	IRAS 12282+1240	RGB J1230+123	[DGW65] 57
Cul 1228+126	1Jy 1228+12	RORF 1228+126	[DLB87] V12
Cul 1228+12	1Jy 1228+126	RX J1230.8+1223	[DML87] 747
DA 325	LEDA 41361	RX J1230.1+1223	[DSB94] 254
DB 85	1M 1228+127	SDSS J123049.41+122328.1	[FWB89] Galaxy 270
2E 2744	2MASX J12304942+1223279	SDSS J123047.55+122318.0	[GW2008] CoNFIG 139
2E 1228.2+1240	MCG+02-32-105	SIM 1228+06.0	[PT56] 24
1ES 1228+12.6	Mills 12+1A	TeV J1230+123	[TH2002] 1
2EUVE J1230+12.3	MRC 1228+126	TGSSADR J123049.6+122321	[VDD93] 163
EUVE J1230+12.3	NAME M 87*	2U 1228+12	[VV2000c] J123049.5+122328
EVCC 786	NAME SMOKING GUN	3U 1228+12	[VV2003c] J123049.5+122328
1FGL J1230.8+1223	NAME Vir A	4U 1228+12	[VV2006c] J123049.5+122328
2FGL J1230.8+1224	NAME Virgo A	UGC 7654	[VV2010c] J123049.5+122328
3FGL J1230.9+1224	NAME Virgo Galaxy	UZC J123049.3+122327	[VV98c] J123049.5+122328
4FGL J1230.8+1223	NEWPS5 J1230+1223	VCC 1316	[WCO2009] J123049+122256
1FHL J1230.8+1224	NGC 4486	VER J1230+123
2FHL J1230.8+1225	NGVS J123049.42+122328.0	VPC 771	Gaia DR2 3907709439453756032
3FHL J1230.8+1223	NRAO 401	VSOP J1230+1223
FIRST J123049.3+122323	NRL 8	WMAP J1230+1223
GALEX J123049.4+122328	NVSS B122817+124004	WMAP 165

References (7181 between 1850 and 2024) (Total 7181) 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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Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : M 87

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