ICRF J145353.6+264833

Query : ICRF J145353.6+264833

Basic data :
7C 145143.4+270046 -- 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: 		Rad (2014ApJS,7C,...), Bla (2009A&A,[MGL2009],...), BLL (2008ApJS,[VV2010b]), Bz? (2015Ap&SS,[SRM2005]), MIR (WISEA,WISE), QSO (2016A&A), AGN (CGRaBS), G (2022ApJS), * (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) : 		14 53 53.60065208 +26 48 33.4096659 (Radio) [ 0.0765776 0.1166 0 ] A 2020A&A...644A.159C
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) : 		14 51 43.04544296 +27 00 43.8641093 [ 0.0765776 0.1166 0 ]
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) : 		039.35375825968 +62.78172026454 [ 0.0765776 0.1166 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 : 		-0.394 -0.078 [0.264 0.288 90] A 2020yCat.1350....0G
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 (4) :
B 20.53 [~] D 2010A&A...518A..10V
V 19.84 [~] D 2010A&A...518A..10V
R 20.01 [~] D 2008ApJS..175...97H
G 19.622293 [0.018931] C 2020yCat.1350....0G
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 (34) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

7C 145143.4+270046 GLEAM J145353+264804 RFC J1453+2648 [MGL2009] BZB J1453+2648
B2 1451+26 ICRF J145353.6+264833 TGSSADR J145353.6+264834 [MML2015] 5BZU J1453+2648
B2.2 1451+26 IERS B1451+270 TXS 1451+270 [SRM2005] J145353.60+264833.4
CGRaBS J1453+2648 IVS B1451+270 VCS1 J1453+2648 [VV2010b] J145353.6+264833
CLASS J145353.6060+264833.470 JVAS B1451+270 VLSSr J145352.7+264837 Gaia DR3 1269001143335183232
CRATES J145353+264827 JVAS J1453+2648 WB 1451+2700 Gaia DR1 1269001139039891968
FIRST J145353.6+264833 MASIV J1453+2648 WISEA J145353.59+264833.3 Gaia DR2 1269001143335183232
GB6 B1451+2700 MITG J145353+2648 WISE J145353.59+264833.3
87GB 145143.3+270045 NVSS J145353+264833 [HMI96] 1451+2700

References (38 between 1850 and 2024) (Total 38)
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


PM : 2   

   

Observing logs


ISO : 1   

   

External archives :

Data at NED - NASA/IPAC Extragalactic Database : 7C 145143.4+270046

Link by name to the catalogue in VizieR :

FIRST J145353.6+264833 IERS B1451+270 MITG J145353+2648 NVSS J145353+264833 WISEA J145353.59+264833.3
WISE J145353.59+264833.3 Gaia DR3 1269001143335183232 Gaia DR1 1269001139039891968 Gaia DR2 1269001143335183232

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