QSO 1229+204

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Basic data :
Mrk 771 -- 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: G (Mrk,Ark,...), X (2E,PBC,...), AGN (Ref,[HB91],...), QSO (QSO,[S77],...), IR (IRAS,2MASS,...), UV (FAUST,PG), Sy1 (Ref), blu (Ton) 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] : coordinates error major axis, minor axis (in mas at epoch defined in your output options), position angle (in degrees North to East of the specified coordinate frame) 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) : 12 32 03.625 +20 09 29.92 (Infrared) [ ] B 2006AJ....131.1163S 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] : coordinates error major axis, minor axis (in mas at epoch defined in your output options), position angle (in degrees North to East of the specified coordinate frame) 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 FK5 coord. (ep=J2000 eq=2000) : 12 32 03.625 +20 09 29.92 [ ] 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] : coordinates error major axis, minor axis (in mas at epoch defined in your output options), position angle (in degrees North to East of the specified coordinate frame) 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) : 12 29 33.18 +20 26 03.0 [ ] 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] : coordinates error major axis, minor axis (in mas at epoch defined in your output options), position angle (in degrees North to East of the specified coordinate frame) 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) : 269.4420 +81.7396 [ ] 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) 18498 [450] / z(spectroscopic) 0.06373 [0.00150] / cz 19105.8 [449.7]    (Opt) C 2009ApJS..182..543A 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) (incl) : inclination (in units of 15° from 0 to 7) (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): 0.317 0.253 20 (IR) 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 (10) : B 15.57 [~] D 2010A&A...518A..10V V 15.30 [~] D 2010A&A...518A..10V J 13.044 [0.047] C 2006AJ....131.1163S H 12.262 [0.064] C 2006AJ....131.1163S K 11.635 [0.049] C 2006AJ....131.1163S u (AB) 15.977 [0.008] C 2009yCat.2294....0A g (AB) 15.521 [0.004] C 2009yCat.2294....0A r (AB) 15.087 [0.003] C 2009yCat.2294....0A i (AB) 14.617 [0.003] C 2009yCat.2294....0A z (AB) 14.518 [0.005] C 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!).

Mrk 771	MCG+03-32-061	SWIFT J1232.1+2009	[S77] 209
Ark 374	PBC J1231.9+2013	Ton 1542	[VV2000c] J123203.6+200930
2E 2760	PG 1229+20	UZC J123203.6+200930	[VV2003c] J123203.6+200930
2E 1229.5+2025	PG 1229+204	WISE J123203.63+200929.6	[VV2006c] J123203.6+200930
FAUST NGP-41	QSO B1229+204	2XMM J123203.6+200929	[VV2010c] J123203.7+200929
IRAS Z12295+2025	QSO B1229+2026	XMMSL1 J123203.4+200930	[VV98c] J123203.6+200930
KUG 1229+204	RBS 1125	Z 99-79	[WTW94] 1229+204
LEDA 41532	RX J1232.0+2009	Z 1229.5+2025	[ZEH2003] RX J1232.0+2009 1
2MASS J12320363+2009294	1RXS J123203.6+200930	[DSB94] 128
2MASX J12320362+2009299	SDSS J123203.62+200929.5	[HB91] 1229+204

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References (392 between 1850 and 2017) Simbad bibliographic survey began in 1950 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system). Follow new references on this object

number of references only bibcodes reference summary number of references by 1st author number of references by year number of references by journal from: to:

Measurements (8 types) :

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : QSO 1229+204

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