PG 1553+113

Basic data :
QSO B1553+113 -- BL Lac - type object 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 (BWE,CLASS,...), BLL (2010ApJ,[VV2000b],...), gam (0FGL,1FGL,...), X (2009A&A,2E,...), Bla (2017A&A,[DGT2001],...), Bz? (2019A&A,3HSP,...), QSO (2016A&A,QSO,...), IR (2MASS,WISEA,...), AGN (2011ApJ,CGRaBS), * (Gaia), UV (PG) 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) : 15 55 43.0440048528 +11 11 24.365649948 (Optical) [ 0.0157 0.0157 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) : 15 53 20.6289795641 +11 20 06.003107632 [ 0.0157 0.0157 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) : 021.9089234076081 +43.9641596943183 [ 0.0157 0.0157 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 : 0.023 0.018 [0.017 0.016 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) 89382 [~] / z(spectroscopic) 0.360 [~] / cz 107925 [~]    D 2011NewA...16..503M 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): 0.0111 [0.0244] 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 (13) : U (AB) 14.91 [0.03] D 2007ApJS..173..471M B (AB) 14.72 [0.02] D 2007ApJS..173..471M V (AB) 14.57 [0.02] D 2007ApJS..173..471M R 13.99 [~] D 2008ApJS..175...97H G 14.070070 [0.018639] C 2020yCat.1350....0G J 12.541 [0.030] C 2003yCat.2246....0C H 11.897 [0.033] C 2003yCat.2246....0C K 11.182 [0.019] C 2003yCat.2246....0C u (AB) 15.056 [0.004] C 2009ApJS..182..543A g (AB) 14.732 [0.004] C 2009ApJS..182..543A r (AB) 15.389 [0.012] C 2009ApJS..182..543A i (AB) 14.118 [0.004] C 2009ApJS..182..543A z (AB) 13.925 [0.005] C 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!).
Some important notes on this object about identifications and objects associations. notes: See also Specfind radio flux densities.

QSO B1553+113	GB6 B1553+1120	RGB J1555.7+1111	[DGT2001] B1553+113
BWE 1553+1120	87GB 155321.5+112002	RX J1555.7+1111	[HB93] 1553+113
CGRaBS J1555+1111	3HSP J155543.0+111124	1RXS J155543.2+111114	[IN88] 1553+113
CLASS J155543.0435+111124.376	ICRF J155543.0+111124	SDSS J155543.03+111124.3	[MGL2009] BZB J1555+1111
2E 3529	IERS B1553+113	TeV J1555+111	[MML2015] 5BZB J1555+1111
2E 1553.3+1120	INTREF 662	TIC 264583798	[SRM2005] J155543.04+111124.3
EF B1553+1119	IVS B1553+113	TXS 1553+113	[VV2000b] J155543.1+111124
1ES 1553+11.3	JVAS J1555+1111	VCS1 J1555+1111	[VV2003b] J155543.1+111124
0FGL J1555.8+1110	JVAS B1553+113	VER J1555+111	[VV2006b] J155543.1+111124
1FGL J1555.7+1111	2MASS J15554305+1111243	WB 1553+1120	[VV2010b] J155543.1+111124
2FGL J1555.7+1111	MITG J155545+1110	2WHSP J155543.0+111123	[VV98b] J155543.1+111124
3FGL J1555.7+1111	NVSS J155543+111124	WISEA J155543.04+111124.4	[ZEH2003] RX J1555.7+1111 5
4FGL J1555.7+1111	PBC J1555.5+1109	WISE J155543.05+111124.4	Gaia EDR3 4456196249421914624
1FHL J1555.7+1111	PG 1553+11	WISE J155543.04+111124.4	Gaia DR1 4456196245123765504
2FHL J1555.7+1111	PG 1553+113	2XMM J155542.9+111124	Gaia DR2 4456196249421914624
3FHL J1555.7+1111	RBS 1538	XMMSL1 J155542.9+111126
1FLE J1559+1149	RGB J1555+111	9Y-MST J1555+1111

References (480 between 1850 and 2022) (Total 480) 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 : PG 1553+113

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