NGC 4636

Basic data :
NGC 4636 -- 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: LIN (), G (2014ApJS,EVCC,...), AGN ([VV2000c],[VV2003c],...), GiC ([DLB87]), GiG ([CHM2007]), ClG (BAX), * (Gaia), Rad (NVSS), UV (GALEX), 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 42 49.8333280080 +02 41 15.951929028 (Optical) [ 35.6254 10.0894 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 40 16.6691449441 +02 57 41.731987038 [ 35.6254 10.0894 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) : 297.7481766300658 +65.4728429072975 [ 35.6254 10.0894 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) 919 [27] / z(spectroscopic) 0.00307 [0.00009] / cz 920.4 [27.0]    (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): 7.76 5.89 150 (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 (11) : B 12.62 [~] D 2010A&A...518A..10V V 11.84 [~] D 2010A&A...518A..10V G 20.523708 [0.031106] C 2020yCat.1350....0G J 7.309 [0.023] C 2006AJ....131.1163S H 6.595 [0.027] C 2006AJ....131.1163S K 6.422 [0.035] C 2006AJ....131.1163S u (AB) 13.569 [0.003] C 2009ApJS..182..543A g (AB) 11.485 [0.002] C 2009ApJS..182..543A r (AB) 10.647 [0.002] C 2009ApJS..182..543A i (AB) 10.225 [0.002] C 2009ApJS..182..543A z (AB) 9.921 [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: NGC 4636 is not NGC 4624. See NGC 4636 Corwin's notes.

NGC 4636	NVSS B124017+025743	Z 1240.3+0258	[VV2000c] J124250.0+024116
BAX 190.7078+02.6878	SDSS J124249.82+024115.9	[BEC2010] HRS 241	[VV2003c] J124250.0+024116
EVCC 1078	SDSS J124249.82+024116.0	[CHM2007] HDC 729 J124249.86+0241160	[VV2006c] J124250.0+024116
GALEX J124249.8+024117	UGC 7878	[CHM2007] LDC 904 J124249.86+0241160	[VV2010c] J124250.0+024116
LEDA 42734	UZC J124250.0+024117	[DLB87] V18	[VV98c] J124249.7+024118
2MASX J12424986+0241160	VCC 1939	[FWB89] Galaxy 283	[ZEH2003] RX J1242.8+0241 1
MCG+01-32-137	Z 43-2	[M98c] 124016.6+025743	Gaia DR3 3703345004201762048

References (1104 between 1850 and 2023) (Total 1104) 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 4636

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