IERS B0942+581

Query : IERS B0942+581

Basic data :
6C 094211+581115 -- 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:
Sy1 (), Rad (6C,BWE,...), BLL (2008AJ,[VV2006b],...), gam (1FGL,2FGL,...), Bla (2016ApJS,[MGL2009],...), G (2014ApJ,2MASX,...), X (2007AJ,1RXS), AGN (2011ApJ,[VV2003c]), IR (WISEA,WISE), * (Gaia), rG (2018AJ), BL? (2007AJ)
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) :
09 45 42.2365250425 +57 57 47.691168215 (Optical) [ 0.1277 0.1366 90 ] A 2018yCat.1345....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) :
09 42 08.5014341417 +58 11 38.164808904 [ 0.1277 0.1366 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) :
156.1148852587789 +45.3909109990062 [ 0.1277 0.1366 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 :
-0.318 0.302 [0.262 0.316 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) 60940 [15] / z(spectroscopic) 0.22893 [0.00005] / cz 68631.5 [15.0]
   (Opt) C 2012ApJS..203...21A
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):
0.277 0.122 70 (NIR) C 2006AJ....131.1163S
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 19.37 [~] D 2010A&A...518A..10V
V 18.04 [~] D 2010A&A...518A..10V
R 15.4 [~] E 2009A&A...495..691M
G 17.9314 [0.0126] C 2018yCat.1345....0G
J 14.559 [0.095] C 2006AJ....131.1163S
H 13.865 [0.119] D 2006AJ....131.1163S
K 13.093 [0.098] C 2006AJ....131.1163S
u (AB) 18.346 [0.015] C 2012ApJS..203...21A
g (AB) 17.765 [0.006] B 2012ApJS..203...21A
r (AB) 17.118 [0.005] B 2012ApJS..203...21A
i (AB) 16.764 [0.005] B 2012ApJS..203...21A
z (AB) 16.488 [0.010] B 2012ApJS..203...21A
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 (32) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

6C 094211+581115 4FGL J0945.7+5759 MY 094201.5+575658.7 WN B0942.1+5811
BWE 0942+5811 FIRST J094542.2+575747 NVSS J094542+575746 [BKH2005b] 146.42599+57.9632
7C 094209.40+581118.00 GB6 B0942+5811 1RXS J094538.0+575833 [MGL2009] BZB J0945+5757
CLASS J094542.2355+575747.710 GB6 J0945+5757 SDSS J094542.23+575747.7 [MML2015] 5BZB J0945+5757
CRATES J094542+575739 87GB 094208.8+581127 SDSS J094542.23+575747.6 [VV2003c] J094542.2+575748
1FGL J0945.6+5754 IERS B0942+581 WISEA J094542.20+575747.6 [VV2006b] J094542.2+575748
2FGL J0945.9+5751 IVS B0942+581 WISE J094542.21+575747.6 [VV2010b] J094542.2+575748
3FGL J0945.9+5756 2MASX J09454226+5757473 WISE J094542.20+575747.6 Gaia DR2 1025409667960679936

References (64 between 1850 and 2022) (Total 64)
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 : 5    PM : 1   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : IERS B0942+581

Link by name to the catalogue in VizieR :

BWE 0942+5811 FIRST J094542.2+575747 IERS B0942+581 2MASX J09454226+5757473 NVSS J094542+575746
1RXS J094538.0+575833 SDSS J094542.23+575747.7 SDSS J094542.23+575747.6 WISEA J094542.20+575747.6 WISE J094542.21+575747.6
WISE J094542.20+575747.6 WN B0942.1+5811 Gaia DR2 1025409667960679936

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2021.12.07-12:28:40

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