IERS B1121+238

Query : IERS B1121+238

Basic data :
ICRF J112402.7+233645 -- 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 (2014ApJS,ICRF,...), QSO (2015Ap&SS), gam (1FGL,2FGL,...), BLL (2008ApJS,[VV2010b]), Bla (2016ApJS,[MGL2009],...), AGN (2011ApJ,CGRaBS,...), IR (WISEA,WISE), * (Gaia), Bz? ([SRM2005]), G (2016MNRAS)
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) :
11 24 02.70587619 +23 36 45.8703380 (Radio) [ 0.2110 0.2442 90 ] A 2015AJ....150...58F
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) :
11 21 24.19593709 +23 53 14.6848957 [ 0.2110 0.2442 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) :
218.17799712432 +69.97534083541 [ 0.2110 0.2442 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 :
-0.440 1.029 [0.719 0.820 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) 220037 [~] / z(spectroscopic) 1.553000 [~] / cz 465577.69 [~]
   (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 (13) :
U (AB) 19.50 [0.14] D 2007ApJS..173..471M
B (AB) 19.32 [0.19] D 2007ApJS..173..471M
V (AB) 19.26 [0.38] D 2007ApJS..173..471M
R 19.75 [~] D 2008ApJS..175...97H
G 19.5396 [0.0286] C 2018yCat.1345....0G
J (AB) 18.15 [0.07] D 2007ApJS..173..471M
H (AB) 17.60 [0.07] D 2007ApJS..173..471M
K (AB) 17.68 [0.13] D 2007ApJS..173..471M
u (AB) 20.691 [0.064] C 2017A&A...597A..79P
g (AB) 20.387 [0.022] C 2011yCat.2306....0A
r (AB) 20.134 [0.025] C 2011yCat.2306....0A
i (AB) 19.767 [0.026] C 2011yCat.2306....0A
z (AB) 19.609 [0.065] C 2017A&A...597A..79P
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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sedIcon
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 (37) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

ICRF J112402.7+233645 FIRST J112402.7+233645 S3 1121+23 [MML2015] 5BZQ J1124+2336
BWE 1121+2353 GB6 B1121+2353 SDSS J112402.70+233645.8 [SRC2012b] J1124+2336
CGRaBS J1124+2336 87GB 112123.0+235308 TXS 1121+238 [SRM2005] J112402.71+233645.8
CRATES J112402+233643 IERS B1121+238 VCS1 J1124+2336 [VV2010b] J112402.7+233645
CRTS CSS090403 J112403+233646 IVS B1121+238 VIPS J11240+2336 EQ 1121+238
CRTS CSS090102 J112403+233646 JVAS B1121+238 WB 1121+2353 Gaia DR1 3992838921074537344
1FGL J1123.9+2339 JVAS J1124+2336 WISEA J112402.70+233645.9 Gaia DR2 3992838921074537344
2FGL J1124.2+2338 MITG J112403+2337 WISE J112402.71+233645.9
3FGL J1124.1+2337 NVSS J112402+233646 WISE J112402.70+233645.9
4FGL J1124.0+2336 OHIO M 235 [MGL2009] BZB J1124+2336

References (69 between 1850 and 2021) (Total 69)
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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                 or select by : (not exhaustive, explanation here)


Collections of Measurements


velocities : 4    PM : 1   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : IERS B1121+238

Link by name to the catalogue in VizieR :

BWE 1121+2353 FIRST J112402.7+233645 IERS B1121+238 MITG J112403+2337 NVSS J112402+233646
SDSS J112402.70+233645.8 WISEA J112402.70+233645.9 WISE J112402.71+233645.9 WISE J112402.70+233645.9 Gaia DR1 3992838921074537344
Gaia DR2 3992838921074537344

Search by coordinates in Vizier (radius: 5 arcsec)


Annotations :
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Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .

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2021.09.23-08:46:03

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