CDS

coord 318.5049d82.0801d (ICRS, 2000, 2000), radius: 30 arcsec

Query : coord 318.5049d82.0801d (ICRS, 2000, 2000), radius: 30 arcsec
CLEAR

Basic data :
ICRF J211401.1+820448 -- Seyfert 1 Galaxy
Distance to the center arcsec: 0.02
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 (2020A&A,ICRF,...), X (2012ApJS,2MAXI,...), AGN (2012ApJ,[VV2000c],...), G (2016A&A,LEDA,...), Sy1 (2013ApJS), * (GSC,Gaia), Bla (2012ApJ), rG ([LCF2001]), Em* ([K98c]), NIR (2MASS), MIR (WISE), IR (IRAS)
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) : 		21 14 01.1713534464 +82 04 48.340509096 (Optical) [ 0.0266 0.0238 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) : 		21 16 39.2674565854 +81 52 14.001258374 [ 0.0266 0.0238 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) : 		115.9785159477817 +22.3441884634966 [ 0.0266 0.0238 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 : 		-0.047 0.003 [0.034 0.029 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) 24677 [~] / z(~) 0.086 [~] / cz 25782 [~]
   D 2003ApJ...590...73X
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): 		0.257 0.180 155 (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 (4) :
G 15.610614 [0.006049] C 2020yCat.1350....0G
J 13.179 [0.045] C 2006AJ....131.1163S
H 12.284 [0.053] C 2006AJ....131.1163S
K 11.571 [0.045] C 2006AJ....131.1163S
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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sedIcon
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 (47) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

ICRF J211401.1+820448 KNOWS J211402+820437 S5 2116+818 [BAG2012] 318.6292+82.0649
6C 211640+815208 LEDA 2786167 SWIFT J211400.5+820447 [K98c] Em* 54
6C 211637+815221 2MASS J21140112+8204483 SWIFT J2114.1+8205 [KRL2007b] 381
CJF B2116+818 2MASX J21140128+8204483 SWIFT J2114.4+8206 [LCF2001] J2114+820
CLASS J211401.1818+820448.335 2MAXI J2115+821 SWIFT J2114.5+8203 [VV2000c] J211401.6+820447
GSC 04598-01092 MY 211643.3+815153.3 TIC 264194987 [VV2003c] J211401.6+820447
IERS B2116+818 MY 211643.3+820427.9 WISE J211401.14+820448.2 [VV2006c] J211401.6+820447
IRAS F21166+8152 NVSS J211400+820452 WISE J211401.15+820448.3 [VV2010c] J211401.6+820447
IVS B2116+818 NVSS J211401+820448 WN B2116.6+8152A [VV98c] J211401.6+820447
JVAS J2114+8204 PBC J2113.7+8206 WN B2116.6+8152 Gaia DR2 2298670074528589952
JVAS B2116+81 1RXS J211400.0+820447 XMMSL1 J211354.1+820450 Gaia DR3 2298670074528589952
JVAS B2116+818 S5 2116+81 XSS J21128+8216

References (124 between 1850 and 2023) (Total 124)
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 : 6    PM : 2   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : ICRF J211401.1+820448

Link by name to the catalogue in VizieR :

GSC 04598-01092 IERS B2116+818 IRAS F21166+8152 2MASS J21140112+8204483 2MASX J21140128+8204483
NVSS J211400+820452 NVSS J211401+820448 1RXS J211400.0+820447 WISE J211401.14+820448.2 WISE J211401.15+820448.3
WN B2116.6+8152A WN B2116.6+8152 Gaia DR2 2298670074528589952 Gaia DR3 2298670074528589952

Search by coordinates in Vizier (radius: 5 arcsec)

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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2023.03.28-01:00:37

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