ICRF J083454.9+553421

Query : ICRF J083454.9+553421
C.D.S. - SIMBAD4 rel 1.7 - 2020.10.26CET21:24:08

Available data : Basic data  •  Identifiers  •  Plot & images  •  Bibliography  •  Measurements  •  External archives  •  Notes  •  Annotations


Basic data :
ICRF J083454.9+553421 -- Seyfert 2 Galaxy
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:
Sy2 (), Rad (ICRF,BWE,...), AGN (Ref,2007AJ....133..313A,...), X (Ref,2009A&A...495..691M,...), BiC (Ref,2013A&A...558A..75T,...), Bla (Ref,[MGL2009],...), QSO (Ref,2017A&A...597A..79P,...), G (LEDA,2MASX,...), rG (Ref,2018AJ....155..188L), gam (INTREF), * (Gaia), GiC (Ref), Sy1 (Ref)
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) :
08 34 54.90395243 +55 34 21.0703658 (Radio) [ 0.1789 0.1512 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) :
08 31 04.38704246 +55 44 41.3405371 [ 0.1789 0.1512 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) :
162.22749989880 +36.55940636764 [ 0.1789 0.1512 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 :
-2.113 1.295 [2.073 1.933 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) 63884 [15] / z(spectroscopic) 0.24161 [0.00005] / cz 72432.9 [15.0]
   (Opt) C 2013yCat.5139....0A
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):
0.42 0.19 56 (Opt) E 2003A&A...412...45P
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 (10) :
B 20.75 [~] D 2010A&A...518A..10V
V 19.45 [~] D 2010A&A...518A..10V
R 17.180 [~] D 2010ApJ...712..303C
G 19.9188 [0.0083] C 2018yCat.1345....0G
J 16.366 [0.157] D 2003yCat.2246....0C
u (AB) 19.871 [0.111] D 2015ApJS..219...12A
g (AB) 18.406 [0.014] C 2013yCat.5139....0A
r (AB) 17.191 [0.009] B 2013yCat.5139....0A
i (AB) 16.538 [0.008] B 2013yCat.5139....0A
z (AB) 16.329 [0.021] C 2013yCat.5139....0A
SIMBAD with radius arcmin
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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!).
Some important notes on this object about identifications and objects associations.
notes:


Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1 : 41 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (59) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

ICRF J083454.9+553421 IERS B0831+557 RGB J0834+555 [GW2008] CoNFIG 26
BWE 0831+5544 INTREF 357 RGB J0834.9+5534 [HB91] 0831+557
4C 55.16 IVS B0831+557 RORF 0831+557 [MGL2009] BZU J0834+5534
6C 083104+554441 JVAS B0831+557 RX J0834.9+5534 [MML2015] 5BZG J0834+5534
7C 083104.29+554441.00 JVAS J0834+5534 1RXS J083454.3+553417 [P82] 0831+557
CJ1 0831+557 JVAS J0834+555 S4 0831+557 [VV2000c] J083454.9+553421
CJF B0831+557 1Jy 0831+557 S4 0831+55 [VV2003c] J083454.9+553421
CLASS J083454.9039+553421.089 1Jy 0831+55 SDSS J083454.90+553421.1 [VV2006c] J083454.9+553421
DA 251 LEDA 2506893 SDSS J083454.89+553421.1 [VV2010c] J083454.9+553421
DES J083454.88+553421.4 2MASX J08345512+5534289 TXS 0831+557 [VV98c] J083454.9+553421
FIRST J083454.9+553420 2MFGC 6756 UT 0831+557 [YHW2016] 128.72868+55.57263
GB6 B0831+5544 MY 083103.9+553421.4 VLSS J0834.9+5534 [ZEH2003] RX J0834.9+5534 1
87GB 083104.9+554452 NVSS J083454+553421 VSOP J0834+5534 Gaia DR2 1033752865271463168
GRA B0832+55 OHIO J 552 WB 0831+5544 Gaia DR1 1033752860979378176
H 0738+31 QSO B0831+557 WN B0831.0+5544

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References (253 between 1850 and 2020) (Total 253)
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 : 12    PM : 2   

   

Observing logs


herschel : 6   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : ICRF J083454.9+553421

Link by name to the catalogue in VizieR :

BWE 0831+5544 4C 55.16 FIRST J083454.9+553420 IERS B0831+557 2MASX J08345512+5534289
NVSS J083454+553421 1RXS J083454.3+553417 SDSS J083454.90+553421.1 SDSS J083454.89+553421.1 VSOP J0834+5534
WN B0831.0+5544 Gaia DR2 1033752865271463168 Gaia DR1 1033752860979378176

Search by coordinates in Vizier (radius: 5 arcsec)


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2020.10.26-21:24:08

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