ICRF J074541.6+314256

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Basic data :
ICRF J074541.6+314256 -- 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 (Ref,ICRF,...), QSO (Ref,QSO,...), IR (2MASS,2MASSI,...), X (Ref,RX,...), BH? ([KB2007]), * (Gaia), Q? (FBQS), AGN (Ref), G (LEDA) 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) : 07 45 41.6716759025 +31 42 56.614085210 (Optical) [ 0.0408 0.0272 90 ] A 2018A&A...616A...1G 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) : 07 42 30.7433118058 +31 50 16.313779342 [ 0.0408 0.0272 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) : 188.4296468371793 +24.6626514458225 [ 0.0408 0.0272 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 : -0.042 0.041 [0.079 0.049 90] A 2018A&A...616A...1G 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) 108487 [21] / z(spectroscopic) 0.46088 [0.00007] / cz 138168.3 [21.0]    (Opt) C 2013yCat.5139....0A 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): 0.0063 [0.0527] A 2018A&A...616A...1G 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 16.10 [~] D 2010A&A...518A..10V V 15.97 [~] D 2010A&A...518A..10V G 15.4958 [0.0008] C 2018A&A...616A...1G J 14.478 [0.031] C 2010AJ....139.2360S H 13.780 [0.033] C 2010AJ....139.2360S K 12.950 [0.029] C 2010AJ....139.2360S u (AB) 16.069 [0.005] B 2009yCat.2294....0A g (AB) 15.731 [0.003] B 2009yCat.2294....0A r (AB) 15.809 [0.004] B 2009yCat.2294....0A i (AB) 15.587 [0.004] B 2009yCat.2294....0A z (AB) 15.375 [0.005] B 2009yCat.2294....0A	SIMBAD with radius arcmin Interactive AladinLite view 2MASS DSS SDSSXMMIRACIRISGALEX VizieR photometry viewer    within radius 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!).

ICRF J074541.6+314256	JVAS B0742+318	1RXS J074541.2+314249	[HB93] 0742+318
B2 0742+31	JVAS J0745+3142	S2 0742+31	[KB2007] J074541.7+314255.7
B2.1 0742+31	LEDA 2820189	SDSS J074541.67+314256.7	[P82] 0742+318
BWE 0742+3150	2MASS J07454167+3142566	SDSS J074541.66+314256.6	[VV2000] J074541.6+314256
4C 31.30	2MASSI J0745416+314256	SDSS J074541.67+314256.6	[VV2003] J074541.6+314256
CLASS J074541.6706+314256.616	MITG J074541+3142	TXS 0742+318	[VV2006] J074541.6+314256
FBQS J0745+3142	NVSS J074542+314252	VCS1 J0745+3142	[VV2010] J074541.6+314256
FIRST J074541.6+314256	OHIO I 371	WB 0742+3150	[VV96] J074541.6+314256
GB6 B0742+3150	QSO J0745+3142	WISE J074541.67+314256.7	[VV98] J074541.6+314256
87GB 074230.8+315012	QSO B0742+318	WISE J074541.67+314256.6	[VYP98] 0742+318
GRA J0745+31	QSO B0742+3150	WN B0742.5+3150B	Gaia DR2 881602755458418432
GRA B0742+31	RGB J0745+317	[BDW2002] q0742+3150	Gaia DR1 881602751161703424
HS 0742+3150	RGB J0745.7+3142	[BHB98] J074541.6+314256
IVS B0742+318	RX J0745.6+3142	[GW2008] CoNFIG 6

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References (239 between 1850 and 2020) (Total 239) 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

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Data at NED - NASA/IPAC Extragalactic Database : ICRF J074541.6+314256

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