NGC 6240

Query : NGC 6240

Basic data :
NGC 6240 -- 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: 		Rad (BWE,4C,...), G (2012A&A,LEDA,...), X (PBC,1RXP,...), AGN ([VV2000c],[VV2003c],...), MIR (AKARI,WISEA,...), IR (IRAS,PSCz,...), Sy2 (2008ApJ), smm (JCMTSE,JCMTSF), LIN (2012ApJ), IG (VV), gam (INTREF), Opt (SDSS)
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) : 		16 52 58.9 +02 24 03 (Radio) [ 670 670 0 ] C 1997A&AS..122..235L
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) : 		16 50 27.8 +02 28 57 [ 670 670 0 ]
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) : 		020.7290 +27.2909 [ 670 670 0 ]
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) 7319 [150] / z(emission) 0.02471891 [0.0005] / cz 7410.5428 [150]
   (Opt) C 2022ApJS..261....2K
Syntax of morphological type is : mtype quality bibcode
  • mtype : Hubble morphological class (spirals, ellipticals, etc)
  • quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the morphological type reference
Morphological type: 		I... D ~
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): 		1.103 0.618 15 (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 (10) :
B 14.31 [~] D 2010A&A...518A..10V
V 13.37 [~] D 2010A&A...518A..10V
J 10.304 [0.017] C 2006AJ....131.1163S
H 9.455 [0.018] C 2006AJ....131.1163S
K 9.107 [0.019] C 2006AJ....131.1163S
u (AB) 15.974 [0.017] D 2011yCat.2306....0A
g (AB) 14.128 [0.003] C 2011yCat.2306....0A
r (AB) 13.020 [0.002] C 2011yCat.2306....0A
i (AB) 12.518 [0.002] C 2011yCat.2306....0A
z (AB) 11.987 [0.002] C 2011yCat.2306....0A
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!). sed-help-icon
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
The count displayed here is the number of children objects.
The list obtained by clicking the button may be larger, as some children may be linked with different references or probability.

%This number is the number of distinct objets linked, by using this button, you will obtain all links (may be more than one) from that object to his children

: 5 		: 1 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

NGC 6240 LEDA 59186 RX J1652.9+0223 2XMM J165258.9+022403
AKARI-IRC-V1 J1652588+022403 2MASX J16525886+0224035 1RXS J165257.9+022353 2XMMi J165258.9+022403
BWE 1650+0228 MCG+00-43-004 SDSS J165258.89+022402.8 Z 25-11
4C 02.44 MITG J165303+0222 SWIFT J1652.9+0223A Z 1650.5+0229
GB6 B1650+0228 MRC 1650+024 SWIFT J1652.9+0223 [CAB95] IRAS F16504+0228
87GB 165028.6+022854 NVSS J165258+022403 SWIFT J1653.2+0224 [DML87] 701
GLEAM J165258+022409 PBC J1653.0+0223 TGSSADR J165258.7+022403 [KRL2007b] 206
GRA B1650+02 PKS 1650+024 TXS 1650+024 [TGM94] 165030+022900
IC 4625 PKS J1652+0224 UGC 10592 [VV2000c] J165258.9+022401
INTREF 723 PMN J1653+0224 UZC J165259.0+022407 [VV2003c] J165258.9+022401
IRAS F16504+0228 PRC D-28 VLSSr J165257.4+022416 [VV2006c] J165258.9+022401
IRAS 16504+0228 PSCz Q16504+0228 VV 617 [VV2010c] J165258.9+022401
IRAS 1650+024P04 RGB J1653.0+0224 WB 1650+0228 [VV98c] J165258.9+022401
JCMTSE J165258.9+022402 RGB J1652+024 WISEA J165258.89+022403.6 [WZX98] 16504+0228
JCMTSF J165258.9+022402 1RXP J165259.0+022406 WISE J165258.89+022403.6

References (1637 between 1850 and 2024) (Total 1637)
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 :

                from: to:

                 or select by : (not exhaustive, explanation here)

Collections of Measurements


velocities : 12    distance : 2   

   

Observing logs


herschel : 44    ISO : 41    IUE : 4    XMM : 8   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : NGC 6240

Link by name to the catalogue in VizieR :

NGC 6240 AKARI-IRC-V1 J1652588+022403 BWE 1650+0228 4C 02.44 IRAS F16504+0228
IRAS 16504+0228 IRAS 1650+024P04 2MASX J16525886+0224035 MITG J165303+0222 NVSS J165258+022403
PKS 1650+024 PKS J1652+0224 PMN J1653+0224 1RXS J165257.9+022353 SDSS J165258.89+022402.8
UGC 10592 WISEA J165258.89+022403.6 WISE J165258.89+022403.6 [DML87] 701

Search by coordinates in Vizier (radius: 30 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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