IERS B0741+294

Query : IERS B0741+294

Basic data :
[VV98] J074451.2+292008 -- 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 (2014ApJS,B2,...), QSO (2011MNRAS,[VV98],...), Bla (2009A&A,[MGL2009],...), IR (2MASS,2MASSI,...), X (2009A&A,1RXP,...), * (Gaia), Q? (FBQS)
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) :
07 44 51.3640718405 +29 20 06.041952128 (Optical) [ 0.0905 0.0746 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) :
07 41 43.7455127000 +29 27 22.539758300 [ 0.0905 0.0746 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) :
190.8443527833642 +23.7407930001924 [ 0.0905 0.0746 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 :
0.191 -0.110 [0.179 0.134 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) 195529 [105] / z(spectroscopic) 1.17960 [0.00035] / cz 353635.2 [104.9]
   (Opt) C 2012ApJS..203...21A
Syntax of parallax is : 'value quality [error] bibcode'
  • value : parallax value
  • quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality)
  • [error] : mean error
  • bibcode : bibcode of the parallax reference
Parallaxes (mas):
0.1275 [0.1241] A 2018yCat.1345....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 (12) :
B 17.20 [~] D 2010A&A...518A..10V
V 16.97 [~] D 2010A&A...518A..10V
R 16.4 [~] E 2009A&A...495..691M
G 16.9141 [0.0037] C 2018yCat.1345....0G
J 15.605 [0.069] C 2010AJ....139.2360S
H 14.953 [0.089] C 2010AJ....139.2360S
K 14.524 [0.074] C 2010AJ....139.2360S
u (AB) 17.089 [0.008] B 2009ApJS..182..543A
g (AB) 16.913 [0.004] B 2009ApJS..182..543A
r (AB) 16.668 [0.004] B 2009ApJS..182..543A
i (AB) 16.529 [0.005] B 2009ApJS..182..543A
z (AB) 16.455 [0.009] B 2009ApJS..182..543A
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 (40) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

[VV98] J074451.2+292008 87GB 074143.9+292738 1RXP J074451.3+292007 WISE J074451.36+292006.0
B2 0741+29 IERS B0741+294 RX J074452.2+291952 WN B0741.7+2927
B2.1 0741+29 IVS B0741+294 SDSS J074451.37+292005.9 WN B0741.7+2927B
B2.2 0741+29 JVAS B0741+294 SDSS J074451.37+292006.0 [MGL2009] BZQ J0744+2920
BWE 0741+2927 JVAS J0744+2920 SDSS J074451.36+292006.0 [MML2015] 5BZQ J0744+2920
CLASS J074451.3669+292006.051 LAMOST J074451.36+292006.1 TIC 423088988 [VV2000] J074451.2+292008
FBQS J0744+2920 2MASS J07445136+2920061 TXS 0741+294 [VV2003] J074451.2+292008
FIRST J074451.2+292007 2MASSI J0744513+292006 WB 0741+2927 [VV2006] J074451.2+292008
GB6 J0744+2920 MITG J074449+2919 1WGA J0744.8+2920 [VV2010] J074451.4+292006
GB6 B0741+2927 NVSS J074451+292008 WISEA J074451.36+292006.0 Gaia DR2 878856622089258240

References (48 between 1850 and 2021) (Total 48)
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 : 8    PLX : 1    PM : 1   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : IERS B0741+294

Link by name to the catalogue in VizieR :

BWE 0741+2927 FIRST J074451.2+292007 IERS B0741+294 2MASS J07445136+2920061 2MASSI J0744513+292006
MITG J074449+2919 NVSS J074451+292008 SDSS J074451.37+292005.9 SDSS J074451.37+292006.0 SDSS J074451.36+292006.0
WISEA J074451.36+292006.0 WISE J074451.36+292006.0 WN B0741.7+2927 WN B0741.7+2927B Gaia DR2 878856622089258240

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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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2021.09.29-00:59:05

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