NGC 3894

Basic data :
NGC 3894 -- Seyfert 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: GrG (), Rad (2016A&A,BWE,...), G (2015ApJS,LEDA,...), AGN (2008ApJS,CGRaBS,...), Bla (2009A&A,[MGL2009],...), GiP (KPG,[T76]), SyG (2018MNRAS), LIN (2018MNRAS), rG (2023ApJS), Bz? ([SRM2005]), GiG ([CHM2007]), AG? (2020MNRAS), * (Gaia), X (1E), Opt (LAMOST) 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''; as well as Tycho2, UCAC4, and Gaia DR2/3 without proper motions B : 0.01-0.1''; as well as Tycho2 and UCAC4 with proper motions A : Hipparcos and Gaia DR2/3 with proper motions; sometimes VLBI bibcode : bibcode of the coordinates reference ICRS coord. (ep=J2000) : 11 48 50.35817663 +59 24 56.3822416 (Radio) [ 0.111047 0.1089 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''; as well as Tycho2, UCAC4, and Gaia DR2/3 without proper motions B : 0.01-0.1''; as well as Tycho2 and UCAC4 with proper motions A : Hipparcos and Gaia DR2/3 with proper motions; sometimes VLBI bibcode : bibcode of the coordinates reference FK4 coord. (ep=B1950 eq=1950) : 11 46 10.41425901 +59 41 36.8445334 [ 0.111047 0.1089 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''; as well as Tycho2, UCAC4, and Gaia DR2/3 without proper motions B : 0.01-0.1''; as well as Tycho2 and UCAC4 with proper motions A : Hipparcos and Gaia DR2/3 with proper motions; sometimes VLBI bibcode : bibcode of the coordinates reference Gal coord. (ep=J2000) : 137.12313909958 +55.95441352625 [ 0.111047 0.1089 0 ] 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) 3576 [~] / z(spectroscopic) 0.012 [~] / cz 3598 [~]    (Opt) D 2021AJ....161..196P 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: -3 D 2011A&A...532A..74B 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): 1.567 1.003 20 (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 (11) : B 12.9 [~] E ~ R 11.57 [~] D 2008ApJS..175...97H G 19.151037 [0.026222] C 2020yCat.1350....0G J 9.550 [0.010] C 2006AJ....131.1163S H 8.822 [0.011] C 2006AJ....131.1163S K 8.556 [0.015] C 2006AJ....131.1163S u (AB) 14.775570 [~] D 2018MNRAS.474.1873W g (AB) 12.526280 [~] D 2018MNRAS.474.1873W r (AB) 11.616750 [~] D 2018MNRAS.474.1873W i (AB) 11.157120 [~] D 2018MNRAS.474.1873W z (AB) 10.905580 [~] D 2018MNRAS.474.1873W	SIMBAD within arcmin Overlay points in this preview 2MASS DSS SDSSXMMAllWISEIRACIRISGALEX 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.

NGC 3894	87GB 114610.9+594135	NVSS J114850+592457	[CHM2007] LDC 837 J114850.36+5924561
BWE 1146+5941	ICRF J114850.3+592456	S4 1146+596	[FWB89] Galaxy 493
6C 114613+594127	IERS B1146+596	S4 1146+59	[H37] 294a
7C 114610.00+594129.00	ILT J114850.36+592456.2	TGSSADR J114850.2+592456	[MGL2009] BZU J1148+5924
CGRaBS J1148+5924	IVS B1146+596	TXS 1146+596	[MML2015] 5BZG J1148+5924
CJ2 1146+596	JVAS J1148+5924	UGC 6779	[PT2000] J1148+5924
CJF B1146+596	JVAS J1148+594	UZC J114850.3+592456	[SRM2005] J114850.35+592456.3
CLASS J114850.3592+592456.365	JVAS B1146+596	VCS1 J1148+5924	[T76] 44A
CRATES J114850+592459	KPG 303a	VIPS J11488+5924	[VV2003c] J114850.4+592457
CRATES J114850+592456	LAMOST J114850.44+592458.3	WB 1146+5941	[VV2006c] J114850.4+592457
1E 1146.1+5942	LAMOST J114850.36+592456.5	WN B1146.1+5941	[VV2010c] J114850.4+592457
FIRST J114850.3+592456	LEDA 36889	Z 292-33	Gaia DR3 846525929349002240
GB6 B1146+5941	2MASX J11485036+5924561	Z 1146.1+5942
GB6 J1148+5924	MCG+10-17-078	[CHM2007] HDC 671 J114850.36+5924561

References (252 between 1850 and 2025) (Total 252) 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 3894

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