IERS B1621+392

Query : IERS B1621+392

Basic data :
7C 162123.89+391619.00 -- Quasar
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 (2020A&A,7C,...), QSO (2011MNRAS,QSO,...), Bla (2009A&A,[MGL2009],...), X (2007AJ,RX,...), AGN (2007AJ,CGRaBS), * (Gaia), UV (KUV), NIR (2MASS), MIR (WISE), IR (2MASSI), Opt (SDSS)
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) : 		16 23 07.6225499136 +39 09 32.410546992 (Optical) [ 0.0416 0.0438 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) : 		16 21 23.4824702994 +39 16 26.875228195 [ 0.0416 0.0438 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) : 		062.3503214051330 +44.7486615288796 [ 0.0416 0.0438 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 : 		-0.091 0.003 [0.055 0.057 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) 239181 [~] / z(spectroscopic) 1.982000 [~] / cz 594188.65 [~]
   (Opt) D 2018A&A...613A..51P
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 17.41 [~] D 2010A&A...518A..10V
V 17.21 [~] D 2010A&A...518A..10V
R 16.10 [~] D 2008ApJS..175...97H
G 16.975578 [0.004200] C 2020yCat.1350....0G
J 15.608 [0.055] C 2010AJ....139.2360S
H 15.088 [0.065] C 2010AJ....139.2360S
K 14.427 [0.071] C 2010AJ....139.2360S
u (AB) 16.8898 [0.0176] C 2020ApJS..250....8L
g (AB) 16.9403 [0.0208] C 2020ApJS..250....8L
r (AB) 16.8411 [0.0156] C 2020ApJS..250....8L
i (AB) 16.7021 [0.0133] C 2020ApJS..250....8L
z (AB) 16.5398 [0.0166] C 2020ApJS..250....8L
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!). sed-help-icon
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 (50) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

7C 162123.89+391619.00 IVS B1621+392 1RXS J162307.8+390926 [MML2015] 5BZQ J1623+3909
B3 1621+392 JVAS B1621+392 SDSS J162307.62+390932.4 [VV2000] J162307.7+390933
BWE 1621+3916 JVAS J1623+3909 SDSS J162307.62+390932.3 [VV2003] J162307.7+390933
CGRaBS J1623+3909 JVAS J1623+391 TGSSADR J162307.7+390931 [VV2006] J162307.7+390933
CLASS J162307.6212+390932.414 KUV 16214+3916 TIC 39940601 [VV2010] J162307.7+390933
CRATES J162308+390946 2MASS J16230762+3909324 TXS 1621+392 [VV96] J162307.7+390933
EF B1621+3916 2MASSI J1623076+390932 VCS1 J1623+3909 [VV98] J162307.7+390933
FIRST J162307.6+390932 MITG J162310+3909 WB 1621+3916 [ZEH2003] RX J1623.1+3909 1
GB2 1621+392 NVSS J162307+390932 WISE J162307.62+390932.6 Gaia DR3 1332433029997756032
GB6 B1621+3916 QSO B1621+392 WISE J162307.61+390932.4 Gaia DR1 1332433029997756032
87GB 162123.6+391645 RGB J1623+391 WN B1621.3+3916 Gaia DR2 1332433029997756032
ICRF J162307.6+390932 RGB J1623.1+3909 [HB93] 1621+392
IERS B1621+392 RX J1623.1+3909 [MGL2009] BZQ J1623+3909

References (90 between 1850 and 2024) (Total 90)
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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Collections of Measurements


velocities : 12    PM : 2   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : IERS B1621+392

Link by name to the catalogue in VizieR :

BWE 1621+3916 FIRST J162307.6+390932 IERS B1621+392 2MASS J16230762+3909324 2MASSI J1623076+390932
MITG J162310+3909 NVSS J162307+390932 1RXS J162307.8+390926 SDSS J162307.62+390932.4 SDSS J162307.62+390932.3
WISE J162307.62+390932.6 WISE J162307.61+390932.4 WN B1621.3+3916 Gaia DR3 1332433029997756032 Gaia DR1 1332433029997756032
Gaia DR2 1332433029997756032

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