NGC 833

Basic data :
NGC 833 -- Seyfert 2 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: G (2012ApJS,6dFGS,...), AGN ([VV2000c],[VV2003c],...), ** (**,CCDM,...), Sy2 (2011ApJ), GiG (dCAZ94,HCG,...), * (GSC,TYC,...), X (CXO,SWIFT,...), LIN (2013ApJ), EmG (SINGG), Rad (FIRST), 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) : 02 09 20.8490871072 -10 07 59.003785884 (Optical) [ 5.1908 3.9649 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) : 02 06 53.5067937435 -10 22 08.780847527 [ 5.1908 3.9649 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) : 173.8471156374850 -64.9843700224677 [ 5.1908 3.9649 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) 3831 [3] / z(spectroscopic) 0.01286 [0.00001] / cz 3855.3 [3.0]    (Opt) C 2015ApJS..219...12A 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: SAB_a C 2019MNRAS.488..590B 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): 1.037 0.518 85 (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 (12) : B 14.02 [~] D 2010A&A...518A..10V V 13.00 [~] D 2010A&A...518A..10V R 12.75 [~] E 1989ApJS...70..687H G 19.353521 [0.043575] C 2020yCat.1350....0G J 10.429 [0.016] C 2006AJ....131.1163S H 9.772 [0.020] C 2006AJ....131.1163S K 9.473 [0.026] C 2006AJ....131.1163S u (AB) 15.642 [0.007] C 2009ApJS..182..543A g (AB) 13.586 [0.002] C 2009ApJS..182..543A r (AB) 12.628 [0.002] C 2009ApJS..182..543A i (AB) 12.161 [0.002] C 2009ApJS..182..543A z (AB) 11.795 [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!).

NGC 833	GSC 05281-01672	SINGG HIPASS J0209-10 S4	[OZV2014] 14
** HJ 2116C	HCG 16b	SWIFT J0209.5-1010	[VV2000c] J020920.9-100759
CCDM J02095-1009C	IDS 02046-1039 C	TYC 5281-1672-1	[VV2003c] J020920.9-100759
CXO J020920.8-100759	LEDA 8225	WDS J02094-1011C	[VV2006c] J020920.9-100759
dCAZ94 HCG 16-02b	2MASX J02092086-1007591	[CHM2007] HDC 121 J020920.86-1007591	[VV2010c] J020920.9-100759
dCAZ94 HCG 16-02	MCG-02-06-030	[CHM2007] LDC 146 J020920.86-1007591	[VV98c] J020920.9-100759
6dFGS gJ020920.9-100759	SDSS J020920.84-100759.1	[GMM2009b] NYU-VAGC 239043	Gaia DR3 2461886219119643264
FIRST J020920.8-100759	SDSS J020920.85-100759.1	[KPC2006] NGC 835 Neighbor 1

References (179 between 1850 and 2023) (Total 179) 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 833

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