3C 405.0

Query : 3C 405.0 C.D.S. - SIMBAD4 rel 1.225 - 2015.08.05CEST04:24:29

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


Basic data :
NAME CYGNUS A -- 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:
Sy1 (), Rad (BWE,1C,3C,4C,3CR,CTA​,CTB,DA,DB,ICRF​,IERS,Mills,NRAO,VSOP​,WMAP,W,[DGW65],[HR74]), X (3A,2E,1ES,1H,1M,PBC​,1RXS,SWIFT,2U,3U​,4U,[KRL2007b]), AGN ([HB91],[VV2000c],[VV2003c],[VV2006c],[VV2010c],[VV98c]), G (LEDA,2MASX,MCG), IG (VV), GiC ([OLM97]), GiG ([SS82]), Sy2 (Ref), Bla ([IN88]), QSO (QSO), IR (IRAS), gam (INTREF)
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : coordinates error major axis, minor axis (in mas at epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
19 59 28.35663 +40 44 02.0970 ( Radio ) [ 4.700 0.543 0 ] A 2004AJ....127.3587F
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : coordinates error major axis, minor axis (in mas at epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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
FK5 coord. (ep=J2000 eq=2000) :
19 59 28.357 +40 44 02.10 [ 4.700 0.543 0 ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : coordinates error major axis, minor axis (in mas at epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
19 57 44.45 +40 35 46.3 [ 4.700 0.543 0 ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra : right ascension (unit and frame defined according to your Output Options)
  • dec : declination (unit and frame defined according to your Output Options)
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : coordinates error major axis, minor axis (in mas at epoch defined in your output options),
    position angle (in degrees North to East of the specified coordinate frame)
  • 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) :
076.1899 +05.7554 [ 4.700 0.543 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) 16360 [48] / z(~) 0.056146 [0.000160] / cz 16832.15 [47.97]   (~) D 2002LEDA.........0P
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:
E D ~
Syntax of angular size is : "maj-axis min-axis angle (incl) (wtype) quality bibcode"
  • maj-axis : major axis size (arc minutes)
  • min-axis : minor axis size (arc minutes)
  • angle : orientation angle (in degrees)
  • (incl) : inclination (in units of 15° from 0 to 7)
  • (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):
1.283 1.078 160 (~) (IR) C 2006AJ....131.1163S
Syntax of fluxes (or magnitudes) is : "filter-name flux-value [error] quality MultVarFlags bibcode"
  • filter-name : U, B, V, R, I, J, H, K, u, g, r, i, z
  • 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 (5) :
B 16.22 [~] D ~
V 15.10 [~] D 2011MNRAS.414..500H
J 11.437 [0.058] C 2006AJ....131.1163S
H 10.611 [0.051] C 2006AJ....131.1163S
K 10.276 [0.062] C 2006AJ....131.1163S
SIMBAD with radius arcmin
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VizieR photometry viewer    sed-help-icon
within radius 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!).

Some important notes on this object about identifications and objects associations.
essential notes:


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

: 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 (51) :

NAME CYGNUS A 2E 1957.7+4035 NRAO 620 [DGW65] 129
3A 1958+407 1ES 1957+40.5 PBC J1959.4+4044 [HB91] 1957+405
BWE 1957+4035 1H 1958+406 QSO B1957+405 [HR74] Ce
1C 19.01 ICRF J195928.3+404402 1RXS J195928.7+404405 [IN88] 1957+405
3C 405.0 IERS B1957+406 SWIFT J1959.4+4044 [KRL2007b] 371
3C 405 INTREF 1004 2U 1957+40 [OLM97] J195928.3+404402
4C 40.40 IRAS 19577+4035 3U 1957+40 [SS82] 1
3CR 405 LEDA 63932 4U 1957+40 [VV2000c] J195928.3+404402
CTA 88 1M 1957+406 VSOP J1959+4044 [VV2003c] J195928.3+404402
CTB 81 2MASX J19592833+4044022 VSOP J1959+4043 [VV2006c] J195928.3+404402
DA 500 MCG+07-41-003 VV 72 [VV2010c] J195928.3+404402
DB 117 Mills 19+4 WMAP J1959+4044 [VV98c] J195928.3+404402
2E 4309 NAME CYG A W 57

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References (1733 between 1850 and 2015)
Simbad bibliographic survey began in 1950 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

from: to:

                                  Sort reference summaries by : (not exhaustive, explanation here)

                                 


Measurements (7 types) :


Einstein : 1    IRAS : 1    ISO : 20    posa : 1    velocities : 5    Z : 4    ze : 1   

   


External archives :

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

Data at NED - NASA/IPAC Extragalactic Database

Catalogue information from VizieR :

Generic search by coordinates (radius: 30 arcsec)

BWE 1957+4035 3C 405.0 3C 405 4C 40.40 3CR 405
IERS B1957+406 IRAS 19577+4035 2MASX J19592833+4044022 1RXS J195928.7+404405 VSOP J1959+4044
VSOP J1959+4043

Annotations :
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The list of all annotations to SIMBAD objects can be found here .

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2015.08.05-04:24:29

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