NGC 262

Basic data :
NGC 262 -- 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: Rad (2010AJ,B2,...), G (2016A&A,LEDA,...), X (2009A&A,1AXG,...), AGN (2008ApJS,CGRaBS,...), Sy2 (2013ApJS), Bla (2009A&A,[MGL2009],...), IR (IRAS,PSCz,...), QSO (2016A&A,QSO), SyG (2021AJ), GiG ([CHM2007]), * (Gaia), gam (INTREF), 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" B : 0.01-0.1" + 2MASS, Tyc A : VLBI, Hipparcos bibcode : bibcode of the coordinates reference ICRS coord. (ep=J2000) : 00 48 47.14147900 +31 57 25.0845702 (Radio) [ 0.0460706 0.0684 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) : 00 46 04.86331110 +31 41 04.3773535 [ 0.0460706 0.0684 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) : 122.27622535782 -30.91140297333 [ 0.0460706 0.0684 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 : 0.00864 -0.08682 [0.01034 0.04790 90] ~ 2017ApJS..233....3T 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) 4540 [~] / z(emission) 0.015260 [~] / cz 4574.90 [~]    (Rad) D 2018ApJ...861...49H 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: S0a D 2012AstL...38..475K 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): 0.583 0.525 160 (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 (13) : U 14.04 [0.20] D 2007ApJS..173..185G B 13.90 [0.19] D 2007ApJS..173..185G V 13.06 [0.19] D 2007ApJS..173..185G R 8.53 [~] D 2008ApJS..175...97H G 17.947214 [0.011503] C 2020yCat.1350....0G J 11.240 [0.033] C 2006AJ....131.1163S H 10.554 [0.044] C 2006AJ....131.1163S K 10.097 [0.047] C 2006AJ....131.1163S u (AB) 15.260790 [~] D 2018MNRAS.474.1873W g (AB) 13.768910 [~] D 2018MNRAS.474.1873W r (AB) 13.089200 [~] D 2018MNRAS.474.1873W i (AB) 12.751500 [~] D 2018MNRAS.474.1873W z (AB) 12.626830 [~] D 2018MNRAS.474.1873W	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: Member of LGG 14 See GALEX UV data in GALEX data See also Specfind radio flux densities.

NGC 262	LAMOST J004847.14+315725.1	SWIFT J0048.8+3155	[DML87] 16
1AXG J004847+3157	LEDA 2855	SWIFT J0048.8+3157	[HB91] 0046+316
B2.1 0046+31	MAPS-PP O-601-810121	SWIFT J0048.7+3157	[KRL2007b] 7
BWE 0046+3141	2MASX J00484711+3157249	TXS 0046+316	[M98c] 004604.4+314100
CGRaBS J0048+3157	2MAXI J0048+320	UGC 499	[MGL2009] BZU J0048+3157
CLASS J004847.1435+315725.092	MAXI J0048+320	UVQS J004847.14+315725.0	[MML2015] 5BZG J0048+3157
2E 189	MCG+05-03-008	UZC J004847.2+315725	[VV2000c] J004847.2+315725
2E 0046.0+3140	MITG J004846+3156	WB 0046+3141	[VV2003c] J004847.2+315725
GB6 B0046+3140	Mrk 348	WN B0046.0+3141	[VV2006c] J004847.2+315725
87GB 004606.1+314104	MY 004604.0+314145.8	2XMM J004847.1+315724	[VV2010c] J004847.2+315725
ICRF J004847.1+315725	NPM1G +31.0015	XSS J00485+3203	[VV98c] J004847.2+315725
IERS B0046+316	NVSS J004847+315725	Z 501-20	Gaia DR2 360927649734789248
INTREF 37	PBC J0048.7+3157	Z 0046.1+3142	Gaia DR3 360927649734789248
IRAS 00461+3141	PSCz Q00461+3141	[BTW2003] J0048+3159	Gaia DR1 360927645439037056
IRAS F00460+3141	QSO J0048+3157	[CAB95] IRAS F00460+3141
JVAS J0048+3157	QSO B0046+316	[CHM2007] HDC 36 J004847.11+3157249
JVAS B0046+316	1RXP J004847.4+315716	[CHM2007] LDC 43 J004847.11+3157249

References (713 between 1850 and 2023) (Total 713) 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 262

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