ICRF J001939.7+260252

Basic data :
ICRF J001939.7+260252 -- 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: Sy1 (), Rad (2020A&A,ICRF,...), QSO (2008ApJS,QSO,...), Bla (2009A&A,[MGL2009],...), X (2009A&A,RX,...), Opt (LAMOST,SDSS), AGN (CGRaBS), G (LEDA), * (Gaia), NIR (2MASS), MIR (WISE) 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 19 39.7806511920 +26 02 52.277853012 (Optical) [ 0.0354 0.0264 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 17 03.4220053511 +25 46 13.362881657 [ 0.0354 0.0264 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) : 114.0721875926237 -36.2766594106014 [ 0.0354 0.0264 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 : -0.053 -0.050 [0.050 0.038 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) 73419 [~] / z(spectroscopic) 0.284 [~] / cz 85141 [~]    (Opt) D 2021AJ....161..196P Syntax of parallax is : 'value quality [error] bibcode' value : parallax value quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality) [error] : mean error bibcode : bibcode of the parallax reference Parallaxes (mas): 0.0377 [0.0753] A 2018yCat.1345....0G 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) : V 15.4 [~] E ~ R 15.04 [~] D 2008ApJS..175...97H G 15.697012 [0.005489] C 2020yCat.1350....0G J 14.935 [0.042] C 2003yCat.2246....0C H 14.135 [0.038] C 2003yCat.2246....0C K 13.114 [0.033] C 2003yCat.2246....0C u (AB) 15.837 [0.005] B 2012ApJS..203...21A g (AB) 15.804 [0.003] B 2012ApJS..203...21A r (AB) 15.789 [0.003] B 2012ApJS..203...21A i (AB) 15.945 [0.004] B 2012ApJS..203...21A z (AB) 15.383 [0.005] B 2012ApJS..203...21A	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: See also Specfind radio flux densities.

ICRF J001939.7+260252	IVS B0017+257	RGB J0019.7+2602	[MGL2009] BZQ J0019+2602
B2 0017+25	JVAS J0019+2602	RX J0019.6+2602	[MML2015] 5BZQ J0019+2602
B2.2 0017+25	JVAS B0017+257	RX J0019.6+2603	[TCC2003b] J001939.7+260253
BWE 0017+2546	LAMOST J001939.75+260252.8	1RXS J001937.0+260316	[VV2000] J001939.8+260252
4C 25.01	LEDA 2819872	SDSS J001939.78+260252.2	[VV2003] J001939.8+260252
9C J0019+2602	2MASS J00193977+2602522	TIC 306125627	[VV2006] J001939.8+260252
CGRaBS J0019+2602	MITG J001939+2602	TXS 0017+257	[VV2010] J001939.8+260252
CLASS J001939.7815+260252.347	PKS J0019+2602	VCS1 J0019+2602	[VV96] J001939.8+260252
CRATES J001939+260248	PKS 0017+257	VRO 25.00.01	[VV98] J001939.8+260252
GB6 B0017+2546	PKS 0017+25	WB 0017+2546	[ZEH2003] RX J0019.6+2603 2
87GB 001702.8+254610	QSO B0017+25	WISE J001939.77+260252.4	Gaia DR3 2855670909833272576
GLEAM J001939+260243	QSO B0017+257	WISE J001939.78+260252.2	Gaia DR1 2855670909833272576
IERS B0017+257	RFC J0019+2602	[HB93] 0017+257	Gaia DR2 2855670909833272576

References (97 between 1850 and 2024) (Total 97) 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 : ICRF J001939.7+260252

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