CDS

NGC 4579

Query : NGC 4579
C.D.S. - SIMBAD4 rel 1.7 - 2019.12.12CET13:00:31

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

Basic data :
M 58 -- Seyfert 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: 		LIN (), G (Ref,EVCC,...), Rad (BWE,FIRST,...), X (2E,1ES,...), AGN ([GCS2005],[VV2000c],...), GiC (VPC,[TH2002]), smm (JCMTSE,JCMTSF), HI (Ref,ALFALFA), IR (IRAS,PSCz), GiG ([CHM2007]), SyG (Ref), FIR (Ref)
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) : 		12 37 43.597 +11 49 05.12 (Infrared) [ ] C 2006AJ....131.1163S
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) : 		12 35 12.079 +12 05 34.62 [ ]
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) : 		290.397982 +74.355218 [ ]
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) 1680 [27] / z(spectroscopic) 0.00562 [0.00009] / cz 1684.8 [27.0]
   (Opt) C 2009yCat.2294....0A
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: 		Sab C 2014A&A...569A.124V
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)
  • (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): 		5.62 4.37 88 (Opt) D 2003A&A...412...45P
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 (11) :
U 10.80 [0.08] D 2007ApJS..173..185G
B 10.48 [0.08] D 2007ApJS..173..185G
V 9.66 [0.08] D 2007ApJS..173..185G
J 7.372 [0.021] C 2006AJ....131.1163S
H 6.707 [0.025] C 2006AJ....131.1163S
K 6.486 [0.031] C 2006AJ....131.1163S
u (AB) 13.646 [0.003] C 2009yCat.2294....0A
g (AB) 11.713 [0.002] C 2009yCat.2294....0A
r (AB) 10.846 [0.002] C 2009yCat.2294....0A
i (AB) 10.406 [0.002] C 2009yCat.2294....0A
z (AB) 10.100 [0.002] C 2009yCat.2294....0A
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.
notes:

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

: 6
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

: 10 		: 5035 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (53) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

M 58 LEDA 42168 SDSS J123745.44+114900.3 [M98c] 123512.6+120540
ALFALFA 3-328 2MASX J12374359+1149051 UGC 7796 [NKB95] N4579
BWE 1235+1206 MCG+02-32-160 UZC J123743.4+114905 [TDA2013] AGESVC2 23
2E 2801 NGC 4579 VCC 1727 [TH2002] 7
2E 1235.2+1205 NVSS B123512+120537 VPC 1119 [VV2000c] J123743.5+114905
1ES 1235+12.0 PBC J1237.7+1150 2XMM J123743.5+114905 [VV2003c] J123743.5+114905
EVCC 965 PCCS1 857 G290.38+74.34 Z 70-197 [VV2006c] J123743.5+114905
FIRST J123743.5+114905 PCCS1 545 G290.37+74.35 Z 1235.2+1205 [VV2010c] J123743.5+114905
GB6 B1235+1205 PSCz Q12351+1205 [BEC2010] HRS 220 [VV98c] J123743.5+114905
87GB 123513.9+120558 RBS 1136 [CAB95] IRAS F12351+1205 [YOF95] 210
IRAS F12351+1205 RX J1237.7+1149 [CHM2007] HDC 720 J123743.59+1149051 [ZEH2003] RX J1237.7+1149 1
IRAS 12351+1205 1RXS J123743.6+114909 [CHM2007] LDC 904 J123743.59+1149051
JCMTSE J123743.4+114907 SDSS J123743.52+114905.4 [DSB94] 227
JCMTSF J123743.4+114907 SDSS J123743.53+114905.5 [GCS2005] J123743.52+114905.5

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References (956 between 1850 and 2020) (Total 956)
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


distance : 12    velocities : 17   

   

Observing logs


ISO : 7    XMM : 1    herschel : 9    IUE : 6   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : NGC 4579

Link by name to the catalogue in VizieR :

BWE 1235+1206 2E 2801 FIRST J123743.5+114905 IRAS F12351+1205 IRAS 12351+1205
2MASX J12374359+1149051 NGC 4579 NVSS B123512+120537 1RXS J123743.6+114909 SDSS J123743.52+114905.4
SDSS J123743.53+114905.5 SDSS J123745.44+114900.3 UGC 7796

Search by coordinates in Vizier (radius: 30 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 .
The list of all annotations to SIMBAD objects can be found here .

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2019.12.12-13:00:31

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