1ES 0647+250

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Basic data :
QSO B0647+250 -- 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 (Ref,[VV2000b],...), gam (1FGL,2FGL,...), X (Ref,1ES,...), Bla ([DGT2001],[MGL2009],...), * (EPIC,Gaia), IR (2MASS,WISE), V* (Ref), QSO (QSO), AGN (Ref) 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) : 06 50 46.4902391458 +25 02 59.623980609 (Optical) [ 0.0419 0.0433 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 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) : 06 47 42.2033344749 +25 06 33.272337743 [ 3.8002 3.2503 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] : 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) : 190.2824491268124 +10.9956305880005 [ 0.0433 0.0419 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 : -0.032 0.094 [0.076 0.065 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) 54785 [~] / z(~) 0.203 [~] / cz 60858 [~]    D 2003AJ....125.1060R 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) : U (AB) 16.17 [0.05] D 2007ApJS..173..471M B (AB) 15.97 [0.04] D 2007ApJS..173..471M V (AB) 15.79 [0.05] D 2007ApJS..173..471M R 16.3 [~] E 2009A&A...495..691M G 15.4161 [0.0169] C 2018yCat.1345....0G J 13.561 [0.022] C 2003yCat.2246....0C H 12.891 [0.021] C 2003yCat.2246....0C K 12.265 [0.023] C 2003yCat.2246....0C g (AB) 15.86 [0.05] D 2007ApJS..173..471M r (AB) 15.69 [0.05] D 2007ApJS..173..471M i (AB) 15.56 [0.05] D 2007ApJS..173..471M z (AB) 15.45 [0.05] D 2007ApJS..173..471M	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 B0647+250	1FHL J0650.8+2504	MITG J065043+2503	[DGT2001] B0647+250
BWE 0647+2506	2FHL J0650.7+2502	NVSS J065046+250259	[MGL2009] BZB J0650+2503
CLASS J065046.4932+250259.646	Gaia DR2 3381527056083359744	RGB J0650+250	[MGL2015] 5BZB J0650+2502
CRATES J065047+250304	GB6 B0647+2506	RX J0650.7+2502	[VV2000b] J065046.5+250300
EPIC 202059522	GB6 J0650+2503	1RXS J065046.7+250257	[VV2003b] J065046.5+250300
1ES 0647+25.0	87GB 064743.0+250645	TeV J0650+250	[VV2006b] J065046.5+250300
1FGL J0650.7+2503	IERS B0647+251	TeV J0650+2503	[VV2010b] J065046.5+250300
2FGL J0650.7+2505	IVS B0647+251	WISE J065046.48+250259.5	[VV98b] J065046.5+250300
3FGL J0650.7+2503	2MASS J06504649+2502596	WISE J065046.48+250259.6

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References (94 between 1850 and 2018) (Total 94) 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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Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : 1ES 0647+250

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