1ES 1426+428

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Basic data :
QSO B1426+428 -- 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: X (Ref,3A,...), Rad (BWE,CLASS,...), BLL (Ref,SHBL,...), gam (1FGL,2FGL,...), Bla (Ref,[DGT2001],...), G (Ref,LEDA,...), UV (2EUVE,EUVE,...), QSO (QSO,[HB93]), IR (2MASS,WISE), * (Gaia), BL? (Ref), AGN (Ref), blu (CSO) 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 defined epoch and convolved with error on propermotion), 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) : 14 28 32.6090831425 +42 40 21.050020627 (Optical) [ 0.0820 0.0848 90 ] A 2018yCat.1345....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] : coordinates error major axis, minor axis (in mas at defined epoch and convolved with error on propermotion), 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) : 14 26 35.9586310926 +42 53 42.393054169 [ 7.4505 7.3005 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 defined epoch and convolved with error on propermotion), 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) : 077.4871573590217 +64.8989376324415 [ 0.0848 0.0820 0 ] 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 : -0.065 -0.124 [0.146 0.149 90] A 2018yCat.1345....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) 36231 [12] / z(spectroscopic) 0.12913 [0.00004] / cz 38712.2 [12.0]    (Opt) C 2012ApJS..203...21A 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): 0.193 0.143 130 (NIR) 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 (12) : B 16.95 [~] D 2010A&A...518A..10V V 16.45 [~] D 2010A&A...518A..10V R 14.4 [~] E 2009A&A...495..691M G 17.2149 [0.0069] C 2018yCat.1345....0G J 14.106 [0.077] C 2006AJ....131.1163S H 13.200 [0.084] C 2006AJ....131.1163S K 12.985 [0.108] D 2006AJ....131.1163S u (AB) 17.448 [0.012] C 2009yCat.2294....0A g (AB) 16.743 [0.005] B 2013yCat.5139....0A r (AB) 16.145 [0.004] B 2013yCat.5139....0A i (AB) 15.806 [0.004] B 2013yCat.5139....0A z (AB) 15.564 [0.007] B 2013yCat.5139....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!).

QSO B1426+428	87GB 142634.5+425353	RE J1428+424	WN B1426.5+4253
3A 1422+425	1H 1430+423	RE J142837+424030	2XMM J142832.6+424021
1AXG J142832+4239	1H 1426+428	RGB J1428+426	XSS J14278+4240
BWE 1426+4253	H 1426+427	RX J1428.5+4240	[BAG2012] 217.2120+42.6515
CLASS J142832.6071+424021.056	H 1426+428	1RXS J142832.6+424028	[DGT2001] B1426+428
CSO 454	IERS B1426+428	SDSS J142832.60+424021.0	[HB93] 1426+428
1ES 1426+42.8	INTREF 608	SHBL J142832.6+424024	[MGL2009] BZB J1428+4240
2EUVE J1428+42.6	IVS B1426+428	SWIFT J1428.8+4240	[MGL2015] 5BZB J1428+4240
EUVE J1428+42.6	LEDA 2203750	SWIFT J1428.7+4234	[VV2000b] J142832.7+424021
1FGL J1428.7+4239	2MASS J14283260+4240209	SWIFT J1428.8+4239	[VV2003b] J142832.7+424021
2FGL J1428.6+4240	2MASX J14283260+4240210	TeV J1428+426	[VV2006b] J142832.7+424021
3FGL J1428.5+4240	2MAXI J1429+425	2U 1443+43	[VV2010b] J142832.7+424021
1FHL J1428.6+4239	NVSS J142832+424022	3U 1443+43	[VV98b] J142832.7+424021
2FHL J1428.5+4239	PBC J1428.6+4239	4U 1444+43	[ZEH2003] RX J1428.5+4240 2
FIRST J142832.6+424021	RBS 1399	1WGA J1428.5+4240	Gaia DR2 1492521480621768064
GB6 J1428+4240	2RE J142836+424116	WISE J142832.62+424021.0
GB6 B1426+4253	2RE J1428+424	WISE J142832.61+424021.0

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References (434 between 1850 and 2019) (Total 434) 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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External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : 1ES 1426+428

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