Date and Time of the Query: 2019-06-25 T17:54:19 PDT
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Velocity(km/s): Unconstrained
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Parameters for Distances and Cosmology: Ho= 73.0; Ωmatter = 0.27; Ωvacuum = 0.73;
Derived Quantities use a Redshift corrected to a Reference Frame defined by the 3K CMB

Detailed Information for Object No. 1

INDEX for IC 4417
Essential Data (jump to sub-section of this query report):

   Essential Note    
   Basic Data   
   Quantities Derived from Redshift    
   Redshift-Independent Distances
   Quick-Look Photometry and Luminosities
   Quick-Look Angular and Physical Sizes
   Foreground Galactic Extinction    
   External Services
Detailed Data (NED queries):

36 Photometric data point(s) and SED   
Redshift-Independent Distances
15 Reference(s)   
8 Position data point(s)
3 Redshift data point(s)   
7 Diameter data point(s)   

ESSENTIAL NOTE for IC 4417 (Back to INDEX)

Object Names Type Object Names Type
IC 4417G GALEXASC J142453.76+170218.8 UvS
CGCG 104-017 G MAPS-NGP O_441_0331421 G
CGCG 1422.5+1715 G NPM1G +17.0493 G
MCG +03-37-014 G NSA 145017 G
2MASX J14245369+1702165 IrS PGC 051480 G
2MASXi J1424537+170216 IrS UZC J142453.7+170217 G
2MASS J14245369+1702164 IrS NVSS J142453+170218 RadioS
SDSS J142453.68+170216.5 G ABELL 1913:[D80] 070 G
SDSS J142453.69+170216.4 VisS    

COORDINATES for IC 4417 (Back to INDEX)

Position Reference:2007SDSS6.C...0000:

Reference    Frame     Longitude    Latitude        RA           DEC      Uncertainty Ellipse (arcsec)
                       (degrees)   (degrees)                              Semimajor Semiminor  PA(deg)
Equatorial (B1950.0)  215.633410   17.263327 14h22m32.018s +17d15m47.98s  5.00E-01  5.00E-01    0
Equatorial (J2000.0)  216.223704   17.037927 14h24m53.689s +17d02m16.54s  5.00E-01  5.00E-01    0
Ecliptic   (B1950.0)  206.816506   29.579044                              5.00E-01  5.00E-01    0
Ecliptic   (J2000.0)  207.518213   29.575637                              5.00E-01  5.00E-01    0
Galactic               12.739150   66.171512                              5.00E-01  5.00E-01    0
SuperGalactic         104.740791   25.537466                              5.00E-01  5.00E-01    0
Additional detailed measurements with references are also available by clicking below:
8 Position data point(s)


1 Distances found in NED View 1 Individual Distance Measurement(s) for IC 4417

Summary Statistics computed by NED from 1 Distance(s) in the literature:
NOTE: These summary statistics are provided for "quick-look" reference only;
they are based exclusively on original values, as published.
No homogenization or corrections have been applied.

IC 4417 Distance Modulus
Metric Distance
Mean 36.86 235.000
Std. Dev. N/A N/A
Min. 36.86 235.000
Max. 36.86 235.000
Median 36.86 235.000

TypeAs PublishedNED HomogenizedFlagReference Code
HierarchyGMGroup member...1980ApJS...42..565D
Galaxy Morphologyquadruple systemquadruple system...1963CGCG2.C...0000Z
2 Detailed Classification(s)

Galactic Extinction from the Schlafly & Finkbeiner 2011, Appendix; 2011ApJ...737..103S (SF11) recalibration 
of the Schlegel, Finkbeiner & Davis 1998, Appendix B; 1998ApJ...500..525S (SFD98) infrared-based dust map.
The map is based on dust emission from COBE/DIRBE and IRAS/ISSA;
the recalibration assumes a Fitzpatrick (1999PASP..111...63F) reddening law with Rv = 3.1 and different source spectrum than SFD98.

L a n d o l tS D S SU K I R T
Filter [µm]U (0.35)B (0.43)V (0.54)R (0.64)I (0.80)u (0.36)g (0.47)r (0.62)i (0.75)z (0.89)J (1.25)H (1.66)K (2.19)L' (3.78)
Aλ [mag]0.0870.0730.0550.0430.0300.0850.0660.0460.0340.0250.0140.0090.0060.003
Show/Hide Aλ magnitudes in all 88 photometric bands based on SF11
For completeness, we include the original SFD98 values:
L a n d o l tS D S SU K I R T
Filter [µm]U (0.34)B (0.44)V (0.54)R (0.65)I (0.81)u (0.35)g (0.49)r (0.63)i (0.78)z (0.93)J (1.27)H (1.67)K (2.22)L' (3.81)
Aλ [mag]0.1110.0880.0680.0550.0400.1060.0780.0560.0430.0300.0180.0120.0080.003

Galactic Extinction based on H I Column Densities and Galaxy Counts
(Burstein & Heiles; 1982AJ.....87.1165B) assuming Rv = 3.1:
AB = 0.000 mag
See Notes on Galactic Extinction for important caveats.

BASIC DATA for IC 4417 (Back to INDEX)
Helio. Radial Velocity     :     14775 km/s       
Redshift                   :  0.049284            1992CORV..C...0000F
Major Diameter (arcmin)    :  0.2 
Minor Diameter (arcmin)    :  0.2 
Magnitude and Filter       : 15.5 
Classifications            : S0/D                

NOTE: This information is indicative only. With the exception of the
      redshift they are unreferenced and highly inhomogeneous as to
      their origin. The Radial Velocity (when available) is computed
      from the listed redshift. The remaining values are designed to
      orient the user with a quick-look, overall assessment of the
      general properties of the object in question. They are not
      averages nor are they standardized in any way.
Additional detailed measurements with references are also available by clicking below:
3 Redshift data point(s)      36 photometric data point(s)      7 Diameter data point(s)      

Calculated and Corrected Velocities
V (Heliocentric)           :   14775  km/s                1992CORV..C...0000F
V (Kinematic LSR)          :   14788  km/s                1986MNRAS.221.1023K
V (Galactocentric GSR)     :   14805 +/-      1 km/s      1991RC3.9.C...0000d
V (Local Group)            :   14776 +/-      0 km/s      1996AJ....111..794K
V (3K CMB)                 :   14996 +/-     15 km/s      1996ApJ...473..576F
V (Virgo Infall only)      :   14967 +/-     13 km/s      2000ApJ...529..786M
V (Virgo + GA only)        :   15273 +/-     25 km/s      2000ApJ...529..786M
V (Virgo + GA + Shapley)   :   15378 +/-     26 km/s      2000ApJ...529..786M

Hubble Flow Distance and Distance Modulus (where Ho =   73.0 +/- 5 km/sec/Mpc)
D (Galactocentric GSR)     :   202.8 +/-   14.2 Mpc      (m-M) = 36.54 +/- 0.15 mag
D (Local Group)            :   202.4 +/-   14.2 Mpc      (m-M) = 36.53 +/- 0.15 mag
D (3K CMB)                 :   205.4 +/-   14.4 Mpc      (m-M) = 36.56 +/- 0.15 mag
D (Virgo Infall only)      :   205.0 +/-   14.4 Mpc      (m-M) = 36.56 +/- 0.15 mag
D (Virgo + GA only)        :   209.2 +/-   14.6 Mpc      (m-M) = 36.60 +/- 0.15 mag
D (Virgo + GA + Shapley)   :   210.7 +/-   14.7 Mpc      (m-M) = 36.62 +/- 0.15 mag

Scale at Hubble Flow Distances
Scale (Galactocentric GSR) :     983 pc/arcsec =  0.983 kpc/arcsec =  59.00 kpc/arcmin =   3.54 Mpc/degree
Scale (Local Group)        :     981 pc/arcsec =  0.981 kpc/arcsec =  58.88 kpc/arcmin =   3.53 Mpc/degree
Scale (3K CMB)             :     996 pc/arcsec =  0.996 kpc/arcsec =  59.76 kpc/arcmin =   3.59 Mpc/degree
Scale (Virgo Infall only)  :     994 pc/arcsec =  0.994 kpc/arcsec =  59.64 kpc/arcmin =   3.58 Mpc/degree
Scale (Virgo + GA only)    :    1014 pc/arcsec =  1.014 kpc/arcsec =  60.86 kpc/arcmin =   3.65 Mpc/degree
Scale(Virgo + GA + Shapley):    1021 pc/arcsec =  1.021 kpc/arcsec =  61.28 kpc/arcmin =   3.68 Mpc/degree

To Search for Nearby Objects (Physical Companions): Enter Your Preferred Values and click on "Submit Environment Search" button
Search for Objects within +/-arcmin where 100 kpc = 1.632 arcmin and Selected Redshift, defined by the Velocity Range: from to km/sec where V(Heliocentric) = 14775 km/sec
Cosmology-Corrected Quantities [Ho = 73.00 km/sec/Mpc, Ωmatter = 0.27, Ωvacuum = 0.73] [Redshift 0.050023 as corrected to the Reference Frame defined by the 3K Microwave Background Radiation] Luminosity Distance : 213 Mpc (m-M) = 36.65 mag Angular-Size Distance : 194 Mpc (m-M) = 36.43 mag Co-Moving Radial Distance : 203 Mpc (m-M) = 36.54 mag Co-Moving Tangential Dist. : 203 Mpc (m-M) = 36.54 mag Co-Moving Volume : 0.0352 Gpc^3 Light Travel-Time : 0.647 Gyr Age at Redshift 0.050023 : 12.652 Gyr Age of Universe : 13.299 Gyr Scale (Cosmology Corrected): 939 pc/arcsec = 0.939 kpc/arcsec = 56.33 kpc/arcmin = 3.38 Mpc/degree Surface Brightness Dimming : Flux Density per Unit Area = 0.82263; Magnitude per Unit Area = 0.212 mag
To change Cosmological Input Parameters for Derived Quantities: Enter Your Preferred Values and click on "Submit Changed Hubble Parameters for this object" button
Correct Redshift To the Reference Frame defined by: as Input for Calculation of the Distances and Cosmology-Corrected Quantities


The brightest flux in each of the following spectral regions, when available:
Gamma-Ray (ν > 2E19 Hz); X-Ray (2E19 Hz > ν > 2E16 Hz); Ultraviolet (2E16 Hz > ν > 9E14 Hz); Visual (9E14 Hz > ν > 3E14 Hz);
Near-Infrared (3E14 Hz > ν > 6E13 Hz); Mid-Infrared (6E13 Hz > ν > 7.5E12 Hz); Far-Infrared (7.5E12 Hz > ν > 1E12 Hz);
Sub-Millimeter (1E12 Hz > ν > 3E11 Hz); Millimeter (3E11 Hz > ν > 3E10 Hz); Radio (3E10 Hz > ν).

Band Apparent Mag or Flux Refcode Absolute Mag or νLν [W] νLν [L(Bolometric)]
UltravioletNUV (GALEX) AB 19.3804 +/- 0.139649 mag 2012GASC..C...0000S-17.48 +/- 0.14 [mag] 1.42E+09 +/- 1.83E+08
Visualz (SDSS Model) AB 13.084 +/- 0.003 asinh mag 2007SDSS6.C...0000:-23.78 +/- 0.00 [mag] 1.16E+11 +/- 3.21E+08
Near-InfraredH 11.107 +/- 0.042 mag 20032MASX.C.......:-25.75 +/- 0.04 [mag] 1.15E+11 +/- 4.57E+09
Radio1.4GHz 25.9 +/- 1.5 milliJy 1998AJ....115.1693C 2.40E+32 +/- 1.39E+31 [W] 6.23E+05 +/- 3.61E+04
NOTE: The above quantities are derived using an estimated Distance Modulus of (36.86 +/- N/A) mag corresponding to
a Metric Distance of (235.000 +/- N/A) Mpc using the Average NED-D value.
The quantities quoted above have not necessarily been corrected for foreground extinction, and no K-Corrections have been applied.

View details and SED for 36 Photometric data point(s) available in NED.


The largest diameters in the Visual and Near-Infrared spectral regions, when available:

Passband Apparent Major Axis
(2a) [arcsec]
Apparent Minor Axis
(2b) [arcsec]
Reference Level RefcodePhysical Major Axis
(2a) [kpc]
Physical Minor Axis
(2b) [kpc]
r (SDSS Isophotal) 67.0149.59147 25.0 mag arcsec^-2^ 2007SDSS6.C...0000:76.3556.50
K_s (2MASS "total") 83.5065.13135 Diameter for "total" magnitude 20032MASX.C.......:20032MASX.C.......:95.1374.20
NOTE: Physical diameters are derived using a scale of 1.1393 kpc/arcsec based on Average NED-D Metric Distance of (235.000 +/- N/A) Mpc.
The quantities quoted above have not necessarily been corrected for foreground extinction.

View details for 7 Diameter data point(s) available in NED.

Resources for Object NamesSite/Service
Query SIMBAD by primary NED object name -- IC 4417SIMBAD (CDS, Strasbourg, France)
Original Zwicky Catalog -- CGCG 104-017 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
Query UZC Spectral Archive (60 arcsec search radius)Updated Zwicky Catalog Data (Harvard/SAO)
Morphological Catalog of Galaxies -- MCG +03-37-014 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
2MASS Extended Source Images (JHKs) -- 2MASX J14245369+1702165 NASA/IPAC Infrared Science Archive (IRSA)
2MASS Extended Source Images (JHKs) -- 2MASXi J1424537+170216 NASA/IPAC Infrared Science Archive (IRSA)
SDSS Sky Server
Catalogue of Principal Galaxies -- PGC 051480 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
Retrieve mean data from LEDA -- PGC 051480 The Lyon/Meudon Extragalactic Database (LEDA)
NRAO/VLA Sky Survey (NVSS)
Query GALEX (NUV/FUV) Mission Archive (7.2 arcsec search radius) -- IC 4417GALEX Mission Data Archive at MAST
Explore IRSA resources with RADAR (10 arcsec search radius) -- IC 4417NASA/IPAC Infrared Science Archive (IRSA)
Resources for position 14h24m53.7s, +17d02m17s (J2000)Site/Service
Query Optical and UV Mission Archives (Default search radius)Multimission Archive at STScI (MAST)
Query High Energy Mission Archives (Default search radius)HEASARC (NASA/GSFC)
SDSS Sky Server
Query IRSA for WISE images (10 arcmin search radius)NASA/IPAC Infrared Science Archive (IRSA)
Band(s): Size:
NASA/IPAC Infrared Science Archive (IRSA)
Band(s): Size:
NASA/IPAC Infrared Science Archive (IRSA)
NASA/IPAC Infrared Science Archive (IRSA)
 Size:    Contours (PS)  JPEG  FITS File 
NRAO/VLA Sky Survey (NVSS)
The NRAO Data Archive System

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