CDS

NGC 4388

Query : NGC 4388
C.D.S. - SIMBAD4 rel 1.7 - 2020.08.15CEST05:32:44

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

Basic data :
NGC 4388 -- 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: 		G (Ref,EVCC,...), X (Ref,2E,...), Rad (BWE,GB6,...), AGN ([VV2000c],[VV2003c],...), IR (IRAS,ISOSS,...), Sy2 (Ref,2013ApJS..209...14K), smm (JCMTSE,JCMTSF), HI (Ref,ALFALFA), gam (IGR,INTREF), GiC (VPC), GiG ([CHM2007])
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 25 46.820 +12 39 43.45 (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 23 14.682 +12 56 19.88 [ ]
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) : 		279.121957 +74.335522 [ ]
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) 2555 [321] / z(spectroscopic) 0.00856 [0.00107] / cz 2566.2 [320.8]
   (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)
  • (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): 		5.50 1.35 91 (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 11.91 [0.09] D 2007ApJS..173..185G
B 11.76 [0.09] D 2007ApJS..173..185G
V 11.02 [0.09] D 2007ApJS..173..185G
J 8.975 [0.021] C 2006AJ....131.1163S
H 8.254 [0.025] C 2006AJ....131.1163S
K 8.004 [0.027] C 2006AJ....131.1163S
u (AB) 13.528 [0.003] C 2011yCat.2306....0A
g (AB) 12.301 [0.002] C 2009yCat.2294....0A
r (AB) 11.585 [0.002] C 2009yCat.2294....0A
i (AB) 11.191 [0.002] C 2009yCat.2294....0A
z (AB) 10.850 [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 ) :

: 7
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 		: 5768 Display criteria :

The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (61) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

NGC 4388 LJHY 36 UGC 7520 [DSB94] 267
ALFALFA 1-311 2MASX J12254682+1239434 UZC J122546.8+123944 [KRL2007b] 114
BWE 1223+1256 MCG+02-32-041 VCC 836 [KVC2005] 2
2E 2703 2MFGC 9788 VPC 438 [M98c] 122314.8+125618
2E 1223.2+1256 NVSS B122314+125620 2XMM J122546.7+123943 [NKB95] N4388
EVCC 576 NVSS J122546+123943 XMMSL1 J122546.2+123930 [SLK2000] 45
GB6 B1223+1256 PBC J1225.7+1240 XSS J12260+1248 [SLK2004] 699
87GB 122314.9+125625 PCCS1 857 G279.14+74.33 Z 70-68 [VV2000c] J122546.7+123941
IGR J12258+1240 PCCS1 545 G279.13+74.34 Z 1223.3+1256 [VV2003c] J122546.7+123941
INTREF 494 PSCz Q12232+1256 [BAG2012] 186.4482+12.6643 [VV2006c] J122546.7+123941
IRAS F12232+1256 1RXP J122546.7+123946 [BEC2010] HRS 144 [VV2010c] J122546.7+123941
IRAS 12232+1256 SDSS J122546.72+123942.7 [CAB95] IRAS F12232+1256 [VV98c] J122546.7+123941
ISOSS J12257+1239 SWIFT J1225.8+1240 [CHM2007] HDC 720 J122546.82+1239434 [YOF95] 128
JCMTSE J122547.1+123944 SWIFT J1225.8+1239 [CHM2007] LDC 904 J122546.82+1239434
JCMTSF J122547.1+123944 SWIFT J1225.7+1239 [DC78] UGC 7520
LEDA 40581 TXS 1223+129 [DML87] 293

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References (1188 between 1850 and 2020) (Total 1188)
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 : 11    velocities : 18   

   

Observing logs


ISO : 9    XMM : 2    herschel : 9    IUE : 5   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : NGC 4388

Link by name to the catalogue in VizieR :

NGC 4388 BWE 1223+1256 2E 2703 IRAS F12232+1256 IRAS 12232+1256
2MASX J12254682+1239434 NVSS B122314+125620 NVSS J122546+123943 SDSS J122546.72+123942.7 UGC 7520
[DML87] 293

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

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2020.08.15-05:32:44

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