IERS B1717+178

Query : IERS B1717+178

Basic data :
QSO B1717+178 -- BL Lac
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:
Q? (), Rad (2010AJ,BWE,...), BLL (2010ApJ,[VV2000b],...), gam (0FGL,1FGL,...), Bla ([DGT2001],[IN88],...), QSO (2016A&A,QSO,...), X (2009A&A,2E,...), IR (2MASS,WISEA,...), AGN (2011AJ,CGRaBS), Bz? (2013ApJS,[SRM2005]), V* (2018AJ), * (Gaia)
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) :
17 19 13.0486139832 +17 45 06.439622184 (Optical) [ 0.0354 0.0396 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) :
17 17 00.3340069150 +17 48 08.565894529 [ 0.0354 0.0396 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) :
039.5248493350921 +28.0969939077595 [ 0.0354 0.0396 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 :
-0.116 -0.152 [0.078 0.090 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) 38281 [~] / z(spectroscopic) 0.137 [~] / cz 41072 [~]
   D 2005ApJ...626...95S
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)
  • (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):
0.0000112 0.0000043 3 (Rad) D 2010AJ....139.1713C
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 (7) :
B 20.10 [~] D 2010A&A...518A..10V
V 19.1 [~] D 2010A&A...518A..10V
R 17.28 [~] D 2008ApJS..175...97H
G 17.233200 [0.044431] C 2020yCat.1350....0G
J 16.876 [0.157] D 2003yCat.2246....0C
H 15.986 [0.159] D 2003yCat.2246....0C
K 14.932 [0.102] D 2003yCat.2246....0C
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 Simbad points in this preview
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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!).
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Some important notes on this object about identifications and objects associations.
notes:


The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (59) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

QSO B1717+178 87GB 171659.6+174808 QSO B1717+177 [IN88] 1717+178
ATO J259.8043+17.7517 ICRF J171913.0+174506 QSO J1719+1745 [MGL2009] BZB J1719+1745
BWE 1716+1748 IERS B1717+178 RGB J1719+177 [MML2015] 5BZB J1719+1745
CGRaBS J1719+1745 IVS B1717+178 RGB J1719.2+1745 [P82] 1717+178
CLASS J171913.0495+174506.440 JVAS B1717+178 RORF 1717+178 [SRM2005] J171913.04+174506.4
2E 3880 JVAS J1719+1745 RX J1719.2+1745 [VV2000b] J171913.1+174507
2E 1717.0+1748 MASIV J1719+1745 S3 1717+17 [VV2003b] J171913.1+174507
0FGL J1719.3+1746 2MASS J17191305+1745063 TIC 165545613 [VV2006b] J171913.1+174507
1FGL J1719.2+1745 MITG J171914+1744a TXS 1717+178 [VV2010b] J171913.1+174507
2FGL J1719.3+1744 NRAO 1717+17 WB 1716+1748 [VV98b] J171913.1+174507
3FGL J1719.2+1744 NVSS J171913+174506 WISEA J171913.05+174506.5 EQ 1717+17
4FGL J1719.2+1745 OHIO T 129 WISE J171913.05+174506.5 Gaia EDR3 4547472344639754240
1FHL J1719.1+1745 PKS J1719+1745 9Y-MST J1719+1745 Gaia DR1 4547472340343476480
3FHL J1719.2+1745 PKS 1717+178 [DGT2001] B1717+178 Gaia DR2 4547472344639754240
GB6 B1717+1748 PKS 1717+177 [HB93] 1717+178

References (202 between 1850 and 2022) (Total 202)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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                Reference summaries :

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Collections of Measurements


velocities : 1    V* : 1    PM : 3   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : IERS B1717+178

Link by name to the catalogue in VizieR :

BWE 1716+1748 2E 3880 IERS B1717+178 2MASS J17191305+1745063 MITG J171914+1744a
NVSS J171913+174506 PKS J1719+1745 PKS 1717+178 PKS 1717+177 WISEA J171913.05+174506.5
WISE J171913.05+174506.5 Gaia EDR3 4547472344639754240 Gaia DR1 4547472340343476480 Gaia DR2 4547472344639754240

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2022.06.29-23:53:55

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