IERS B0925-203

Query : IERS B0925-203

Basic data :
ICRF J092751.8-203451 -- Seyfert 1 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:
Sy1 (), Rad (2014ApJS,ICRF,...), QSO (2008ApJS,QSO,...), Bla (2009A&A,[MGL2009],...), IR (2MASS,2MASSI,...), gam (2FGL,3FGL,...), X (2009A&A,RX,...), AGN (2011ApJ,CGRaBS), G (6dFGS,LEDA), Bz? (2013ApJS), * (Gaia), cm (AT20G)
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 27 51.8243005200 -20 34 51.234163716 (Optical) [ 0.0552 0.0345 90 ] A 2020yCat.1350....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 25 33.5515747087 -20 21 44.896415154 [ 0.0552 0.0345 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) :
251.6377847846148 +21.4230569808273 [ 0.0552 0.0345 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 :
0.027 0.091 [0.072 0.039 90] A 2020yCat.1350....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) 86834 [45] / z(~) 0.34741 [0.00015] / cz 104150.0 [45.0]
   (Opt) C 2009MNRAS.399..683J
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):
0.0203 [0.0782] 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 (7) :
B 16.59 [~] D 2008MNRAS.384..775M
V 16.40 [~] D 2010A&A...518A..10V
R 16.00 [~] D 2008ApJS..175...97H
G 16.811045 [0.006304] C 2020yCat.1350....0G
J 15.592 [0.065] C 2003yCat.2246....0C
H 14.781 [0.046] C 2003yCat.2246....0C
K 13.925 [0.077] C 2003yCat.2246....0C
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 (47) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

ICRF J092751.8-203451 2MASS J09275183-2034512 1RXS J092752.1-203437 [MML2015] 5BZQ J0927-2034
AT20G J092751.9-203450 2MASSI J0927518-203451 TIC 176684706 [VV2000] J092751.9-203451
AT20G J092751-203450 MRC 0925-203 TXS 0925-203 [VV2003] J092751.9-203451
CGRaBS J0927-2034 NVSS J092752-203453 WISEA J092751.82-203451.2 [VV2006] J092751.9-203451
6dFGS gJ092751.8-203452 PKS 0925-20 WISE J092751.82-203451.2 [VV2010] J092751.9-203451
2FGL J0927.9-2041 PKS J0927-2034 WISH B0925.5-2021 [VV96] J092751.9-203451
3FGL J0927.9-2037 PKS 0925-203 WMAP J0927-2035 [VV98] J092751.9-203451
4FGL J0928.1-2035 PMN J0927-2034 WMAP J0928-2036 [WPW2003] J0927-2034
IERS B0925-203 QSO B0925-2021 [GR92] 0925-203 Gaia EDR3 5677918560263178240
IVS B0925-203 QSO B0925-203 [HB93] 0925-203 Gaia DR1 5677918555966841216
1Jy 0925-203 RORF 0925-203 [MEM2008] 122 Gaia DR2 5677918560263178240
LEDA 2825904 RX J0927.8-2034 [MGL2009] BZQ J0927-2034

References (148 between 1850 and 2022) (Total 148)
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 : 9    PLX : 1    PM : 3   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : IERS B0925-203

Link by name to the catalogue in VizieR :

IERS B0925-203 2MASS J09275183-2034512 2MASSI J0927518-203451 NVSS J092752-203453 PKS 0925-20
PKS J0927-2034 PKS 0925-203 PMN J0927-2034 1RXS J092752.1-203437 WISEA J092751.82-203451.2
WISE J092751.82-203451.2 WISH B0925.5-2021 WMAP J0927-2035 WMAP J0928-2036 Gaia EDR3 5677918560263178240
Gaia DR1 5677918555966841216 Gaia DR2 5677918560263178240

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2022.06.30-00:40:27

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