CDS

NGC 7674

Query : NGC 7674
C.D.S. - SIMBAD4 rel 1.7 - 2021.03.07CET04:37:30

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

Basic data :
NGC 7674 -- 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: 		Sy2 (), G (2016A&A,APG,...), Rad (BWE,GB6,...), AGN ([HB91],[VV2000c],...), IR (IRAS,ISOSS,...), X (1RXP,2XMM), IG (VV), * (Gaia), GiG (HCG)
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) : 		23 27 56.6974755223 +08 46 44.238278540 (Optical) [ 0.8927 0.4921 90 ] C 2018yCat.1345....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) : 		23 25 24.4021429688 +08 30 12.584514070 [ 0.8927 0.4921 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) : 		090.6267521774108 -48.7850603342360 [ 0.8927 0.4921 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) 8698 [25] / z(spectroscopic) 0.029447 [0.000083] / cz 8827.92 [25.00]
   C 1992ApJ...399..353H
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: 		SBb 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): 		0.737 0.545 175 (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 (13) :
U 13.84 [0.11] D 2007ApJS..173..185G
B 13.92 [0.10] D 2007ApJS..173..185G
V 13.23 [0.10] D 2007ApJS..173..185G
R 12.64 [~] E 1989ApJS...70..687H
G 16.0410 [0.0085] C 2018yCat.1345....0G
J 10.920 [0.034] C 2006AJ....131.1163S
H 10.215 [0.048] C 2006AJ....131.1163S
K 9.786 [0.045] C 2006AJ....131.1163S
u (AB) 14.945 [0.005] B 2015ApJS..219...12A
g (AB) 13.711 [0.002] B 2015ApJS..219...12A
r (AB) 13.142 [0.002] B 2015ApJS..219...12A
i (AB) 12.801 [0.002] B 2015ApJS..219...12A
z (AB) 12.468 [0.002] B 2015ApJS..219...12A
SIMBAD with radius arcmin
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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.
notes:

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

: 2
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

: 4 		: 6 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (42) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

NGC 7674 2MASX J23275670+0846443 UZC J232756.7+084643 [HB91] 2325+085
APG 182 MCG+01-59-080 VLSS J2327.9+0846 [SLK2004] 1880
BWE 2325+0829 MITG J232753+0847 VV 343a [VV2000c] J232756.7+084644
GB6 B2325+0829 Mrk 533 VV 343 [VV2003c] J232756.7+084644
87GB 232524.1+082945 NVSS J232756+084643 WB 2325+0829 [VV2006c] J232756.7+084644
HCG 96a PMN J2327+0846 2XMM J232756.7+084645 [VV2010c] J232756.7+084644
IRAS 23254+0830 PSCz Q23254+0830 Z 406-112 [VV98c] J232756.7+084644
IRAS F23254+0830 1RXP J232757.0+084644 Z 2325.4+0830 [WZX98] 23254+0830A
ISOSS J23279+0846 SDSS J232756.70+084644.3 [CAB95] IRAS F23254+0830 Gaia DR2 2761166240454073728
KUG 2325+085 TXS 2325+085 [DC78] UGC 12608
LEDA 71504 UGC 12608 [DML87] 555

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References (648 between 1850 and 2021) (Total 648)
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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                 or select by : (not exhaustive, explanation here)

Collections of Measurements


distance : 3    velocities : 10   

   

Observing logs


ISO : 17    XMM : 1    herschel : 9    IUE : 4   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : NGC 7674

Link by name to the catalogue in VizieR :

NGC 7674 APG 182 BWE 2325+0829 IRAS 23254+0830 IRAS F23254+0830
KUG 2325+085 2MASX J23275670+0846443 MITG J232753+0847 NVSS J232756+084643 PMN J2327+0846
SDSS J232756.70+084644.3 UGC 12608 [DML87] 555 Gaia DR2 2761166240454073728

Search by coordinates in Vizier (radius: 5 arcsec)

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 .
Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .

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2021.03.07-04:37:30

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