3C 390.3

Query : 3C 390.3 C.D.S. - SIMBAD4 rel 1.225 - 2015.09.01CEST01:51:39

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


Basic data :
ICRF J184208.9+794617 -- 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:
X (Ref,1AXG,2E,1ES,1H,H​,MAXI,PBC,1RXS,SWIFT​,2U,3U,4U,2XMM​,XSS,[BAG2012],[KRL2007b]), Rad (ICRF,3C,4C,8C,3CR,IERS​,1Jy,KNOWS,NRAO,NVSS​,RORF,S5,VSOP,WB,WMAP), AGN (Ref,[HB91],[VV2000c],[VV2003c],[VV2006c],[VV2010c]​,[VV98c]), IR (AKARI,IRAS,2MASS,WISE,[DML87]), G (CGPG,LEDA,2MASX,ZW), QSO (QSO,[BDW2002],[WTW94]), Bla ([DGT2001],[IN88]), AG? (Ref), Sy1 (Ref), gam (INTREF)
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] : 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) :
18 42 08.9899 +79 46 17.128 ( ) [ 0.36 0.36 90 ] A 1998AJ....116..516M
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] : 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) :
18 42 08.990 +79 46 17.13 [ 0.36 0.36 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] : 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) :
18 45 37.68 +79 43 06.3 [ 0.36 0.36 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] : 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) :
111.4379 +27.0739 [ 0.36 0.36 90 ]
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) 16364 [139] / z(~) 0.056159 [0.000464] / cz 16836.04 [139.10]   (~) 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:
S0: 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):
0.233 0.187 40 (~) (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 16.06 [~] D 2010A&A...518A..10V
V 15.38 [~] D 2010A&A...518A..10V
J 12.911 [0.039] C 2006AJ....131.1163S
H 12.166 [0.041] C 2006AJ....131.1163S
K 11.539 [0.052] 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!).

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (62) :

ICRF J184208.9+794617 IRAS 18456+7943 1RXS J184209.5+794613 ZW VII 838
AKARI-IRC-V1 J1842090+794616 1Jy 1845+797 S5 1845+797 [BAG2012] 280.6068+79.7714
1AXG J184202+7946 1Jy 1845+79 SWIFT J1842.0+7945 [BDW2002] q1845+7943
3C 390.3 KNOWS J184218+794540 SWIFT J1842.4+7946 [DGT2001] B1845+797
4C 79.18 LEDA 62274 2U 1828+81 [DML87] 710
8C 1845+797 2MASS J18420900+7946171 3U 1825+81 [HB91] 1845+797
CGPG 1845.5+7943 2MASX J18420899+7946170 4U 1847+78 [IN88] 1845+797
3CR 390.3 MAXI J1839+798 VSOP J1842+7946 [KRL2007b] 334
2E 4136 NRAO 582 WB 1845+7943 [VV2000c] J184209.0+794617
2E 1845.6+7943 NVSS J184226+794517 WISE J184209.01+794617.1 [VV2003c] J184209.0+794617
1ES 1845+79.7 PBC J1842.0+7946 WMAP 73 [VV2006c] J184209.0+794617
1H 1858+797 QSO B1845+7943 WMAP J1840+7946 [VV2010c] J184209.0+794617
H 1843+797 QSO B1845+797 WMAP J1840+7947 [VV98c] J184209.0+794617
IERS B1845+797 QSO B1845+796 WMAP J1842+7945 [WTW94] 1845+797
INTREF 930 QSO B1845+797E 2XMM J184208.9+794617
IRAS F18456+7943 RORF 1845+797 XSS J18408+7947

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References (1045 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 : 4    IUE : 25    velocities : 8    XMM : 2    Z : 8   

   


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: 5 arcsec)

3C 390.3 4C 79.18 3CR 390.3 IERS B1845+797 IRAS F18456+7943
IRAS 18456+7943 2MASS J18420900+7946171 2MASX J18420899+7946170 NVSS J184226+794517 1RXS J184209.5+794613
VSOP J1842+7946 [DML87] 710

Annotations :
Annotations allow a user to add a note or report an error concerning the astronomical object and its data. It requires registration to post a note. See description .
The list of all annotations to SIMBAD objects can be found here .

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2015.09.01-01:51:39

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