IERS B1215+521

Query : IERS B1215+521

Basic data :
QSO B1215+521 -- 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:
QSO (2008ApJ,QSO,...), Rad (2019A&A,BWE,...), Bla (2009A&A,[MGL2009],...), IR (2MASS,WISEA,...), * (SBSS,Gaia), G (SBSG)
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) :
12 17 36.6603408024 +51 55 10.297251804 (Optical) [ 0.0395 0.0446 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) :
12 15 09.0248119100 +52 11 49.706564214 [ 0.0395 0.0446 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) :
135.0519861728665 +64.4053809691740 [ 0.0395 0.0446 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 :
-0.026 -0.001 [0.047 0.056 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) 247171 [27] / z(spectroscopic) 2.22403 [0.00009] / cz 666747.4 [27.0]
   (Opt) C 2012ApJS..203...21A
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 (11) :
B 17.60 [~] D 2010A&A...518A..10V
V 17.56 [~] D 2010A&A...518A..10V
G 17.153748 [0.002862] C 2020yCat.1350....0G
J 16.041 [0.079] C 2010AJ....139.2360S
H 15.389 [0.121] C 2010AJ....139.2360S
K 14.444 [0.074] C 2010AJ....139.2360S
u (AB) 17.7584 [0.0143] C 2020ApJS..250....8L
g (AB) 17.3006 [0.0247] C 2020ApJS..250....8L
r (AB) 17.4361 [0.0182] C 2020ApJS..250....8L
i (AB) 17.2583 [0.0198] C 2020ApJS..250....8L
z (AB) 17.0009 [0.0161] 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!).
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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 (29) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

QSO B1215+521 IVS B1215+521 WISEA J121736.66+515510.3 [VV2010] J121736.6+515511
BWE 1215+5211 2MASS J12173667+5155103 WISE J121736.66+515510.3 [VV96] J121736.6+515511
CLASS J121736.6615+515510.304 NVSS J121736+515510 WN B1215.1+5211 [VV98] J121736.6+515511
FIRST J121736.6+515510 SBSG 1215+521 [MGL2009] BZQ J1217+5155 Gaia EDR3 1548004555346860928
GB6 B1215+5211 SBSS 1215+521 [MML2015] 5BZQ J1217+5155 Gaia DR2 1548004555346860928
GB6 J1217+5155 SDSS J121736.65+515510.2 [VV2000] J121736.6+515511
87GB 121507.3+521133 SDSS J121736.65+515510.3 [VV2003] J121736.6+515511
IERS B1215+521 TIC 53614891 [VV2006] J121736.6+515511

References (46 between 1850 and 2022) (Total 46)
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 : 10    PM : 2   

   


External archives :

Data at NED - NASA/IPAC Extragalactic Database : IERS B1215+521

Link by name to the catalogue in VizieR :

BWE 1215+5211 FIRST J121736.6+515510 IERS B1215+521 2MASS J12173667+5155103 NVSS J121736+515510
SDSS J121736.65+515510.2 SDSS J121736.65+515510.3 WISEA J121736.66+515510.3 WISE J121736.66+515510.3 WN B1215.1+5211
Gaia EDR3 1548004555346860928 Gaia DR2 1548004555346860928

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Annotations :
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2022.06.25-00:55:21

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