LEDA 3237

Basic data :
LEDA 3237 -- Seyfert 1 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: QSO (2016ApJ,QSO,...), X (2E,1ES,...), MIR (WISEA,WISE), Opt (ATO,SDSS), Sy1 (2013ApJS), V* (2018AJ), G (LEDA), * (Gaia), BH? ([KB2007]), UV (PG), NIR (2MASS), IR (2MASSI) 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 54 52.1183662680 +25 25 38.983241532 (Optical) [ 0.0371 0.0333 90 ] A 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) : 00 52 11.0542529912 +25 09 24.053946858 [ 0.0371 0.0333 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) : 123.9074823948745 -37.4377536889620 [ 0.0371 0.0333 90 ] 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 : -0.152 0.058 [0.059 0.041 90] A 2020yCat.1350....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) 42904 [~] / z(emission) 0.155 [~] / cz 46468 [~]    (Opt) D 2016ApJ...818..113N 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 (10) : V 15.42 [~] E ~ G 15.427633 [0.015450] C 2020yCat.1350....0G J 13.891 [0.032] C 2003yCat.2246....0C H 13.174 [0.032] C 2003yCat.2246....0C K 12.239 [0.022] C 2003yCat.2246....0C u (AB) 15.327 [0.004] B 2009ApJS..182..543A g (AB) 15.342 [0.003] B 2009ApJS..182..543A r (AB) 15.258 [0.003] B 2009ApJS..182..543A i (AB) 14.750 [0.003] B 2009ApJS..182..543A z (AB) 14.960 [0.004] B 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!).

LEDA 3237	QSO J0054+2525	WISEA J005452.12+252539.0	[VV2010] J005452.2+252539
ATO J013.7171+25.4274	QSO B0052+2509	WISE J005452.11+252539.1	[VV96] J005452.2+252539
2E 217	QSO B0052+252	2XMM J005452.0+252539	[VV98] J005452.2+252539
2E 0052.1+2509	QSO B0052+251	[BDW2002] q0052+2509	[WTW94] 0052+251
1ES 0052+25.1	RBS 130	[HB93] 0052+251	[ZEH2003] RX J0054.8+2525 1
2MASS J00545212+2525391	RX J0054.8+2525	[HN97] 0052+252 13	Gaia DR2 2805278475161374080
2MASSI J0054521+252538	1RXS J005452.3+252534	[KB2007] J005452.1+252539.3	Gaia DR3 2805278475161374080
PBC J0054.6+2521	SDSS J005452.12+252539.0	[VV2000] J005452.2+252539
PG 0052+25	SWIFT J0054.9+2524	[VV2003] J005452.2+252539
PG 0052+251	TIC 13961365	[VV2006] J005452.2+252539

References (373 between 1850 and 2023) (Total 373) 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 : LEDA 3237

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