NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2022-01-25 T13:02:30 PST
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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 NGC 3157
Essential Data (jump to sub-section of this query report):

   Essential Note    
   Cross-IDs    
   Coordinates    
   Basic Data   
   Quantities Derived from Redshift    
   Redshift-Independent Distances
   Quick-Look Photometry and Luminosities
   Quick-Look Angular and Physical Sizes
   Classifications
   Foreground Galactic Extinction    
   External Services
Detailed Data (NED queries):
  • Images
  • 54 Photometric data point(s) and SED   
  • Spectra   
    Redshift-Independent Distances
    61 Reference(s)   
    14 Position data point(s)
    15 Redshift data point(s)   
    18 Diameter data point(s)   
    2 Note(s)   
    ESO data    
    RC3 data    

    ESSENTIAL NOTE for NGC 3157 (Back to INDEX)
    N/A

    CROSS-IDENTIFICATIONS for NGC 3157 (Back to INDEX)
    Object Names Type Object Names Type
    NGC 3157G SGC 100928-3123.7 G
    IC 2555 G ESO-LV 4350510 G
    ESO 435- G 051 G 2MIG 1401 G
    ESO 100928-3123.7 G 6dF J1011424-313834 G
    MCG -05-24-026 G LDCE 0729 NED048 G
    2MFGC 07887 G PGC1 0029691 NED001 G
    WISEA J101142.41-313834.7 IrS AGC 026934 G
    2MASX J10114242-3138341 IrS HIPASS J1011-31 RadioS
    2MASS J10114241-3138343 IrS PGC 029691 G
    IRAS 10094-3123 IrS NVSS J101142-313834 RadioS
    IRAS F10094-3123 IrS SUMSS J101141-313834 RadioS
         

    COORDINATES for NGC 3157 (Back to INDEX)

    Position Reference:20032MASX.C.......:

    Reference    Frame     Longitude    Latitude        RA           DEC      Uncertainty Ellipse (arcsec)
                           (degrees)   (degrees)                              Semimajor Semiminor  PA(deg)
    Equatorial (B1950.0)  152.364662  -31.395565  10h09m27.52s  -31d23m44.0s  1.25E+00  1.25E+00    0
    Equatorial (J2000.0)  152.926792  -31.642861  10h11m42.43s  -31d38m34.3s  1.25E+00  1.25E+00    0
    Ecliptic   (B1950.0)  168.346140  -39.454608                              1.25E+00  1.25E+00    0
    Ecliptic   (J2000.0)  169.039280  -39.453927                              1.25E+00  1.25E+00    0
    Galactic              267.377647   19.984630                              1.25E+00  1.25E+00    0
    SuperGalactic         145.262910  -42.675000                              1.25E+00  1.25E+00    0
    
    Additional detailed measurements with references are also available by clicking below:
    14 Position data point(s)

    REDSHIFT-INDEPENDENT DISTANCES for NGC 3157 (Back to INDEX)

    17 Distances found in NED View 17 Individual Distance Measurement(s) for NGC 3157

    Summary Statistics computed by NED from 17 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.


    NGC 3157 Distance Modulus
    (mag)
    Metric Distance
    (Mpc)
    Mean 32.55 32.641
    Std. Dev. 0.29 4.745
    Min. 32.17 27.200
    Max. 33.26 45.000
    Median 32.47 31.200

    CLASSIFICATIONS (TYPES, ATTRIBUTES) for NGC 3157 (Back to INDEX)
    TypeAs PublishedNED HomogenizedFlagReference Code
    HierarchyGRGroup member, radial-velocity confirmed...1992A&AS...93..211F
    KinematicsHI line widthHI line width...2005ApJS..160..149S
    Luminosity Class4.5LC III...1991RC3.9.C...0000d
    Galaxy MorphologySB(s)bc: edge-onSB(s)bc? edge-on...1991RC3.9.C...0000d
    Distance IndicatorTully-FisherTully-Fisher...2009ApJS..182..474S
    19 Detailed Classification(s)


    FOREGROUND GALACTIC EXTINCTION for NGC 3157 (Back to INDEX)
    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]0.4340.3630.2750.2170.1510.4250.3310.2290.1700.1270.0710.0450.0300.015
    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]0.5260.4180.3210.2590.1880.4990.3670.2660.2020.1430.0870.0560.0360.015


    Galactic Extinction based on H I Column Densities and Galaxy Counts
    (Burstein & Heiles; 1982AJ.....87.1165B) assuming Rv = 3.1:
    AB = 0.380 mag
    See Notes on Galactic Extinction for important caveats.

    BASIC DATA for NGC 3157 (Back to INDEX)
    Helio. Radial Velocity     :      2836 +/-        1 km/s      
    Redshift                   :  0.009460 +/- 0.000005        2005ApJS..160..149S
    Major Diameter (arcmin)    :   2.5
    Minor Diameter (arcmin)    :   0.5
    Magnitude and Filter       : 13.91
    Classifications            : SAB(s)c        HII  
    
    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:
    15 Redshift data point(s)      54 photometric data point(s)      18 Diameter data point(s)      

    QUANTITIES DERIVED FROM REDSHIFT for NGC 3157 (Details)(Back to INDEX)
    Calculated and Corrected Velocities
    V (Heliocentric)           :    2836 +/-      1 km/s      2005ApJS..160..149S
    V (Kinematic LSR)          :    2824 +/-      1 km/s      1986MNRAS.221.1023K
    V (Galactocentric GSR)     :    2620 +/-      9 km/s      1991RC3.9.C...0000d
    V (Local Group)            :    2534 +/-     18 km/s      1996AJ....111..794K
    V (3K CMB)                 :    3162 +/-     23 km/s      1996ApJ...473..576F
    V (Virgo Infall only)      :    2731 +/-     23 km/s      2000ApJ...529..786M
    V (Virgo + GA only)        :    2897 +/-     26 km/s      2000ApJ...529..786M
    V (Virgo + GA + Shapley)   :    2899 +/-     26 km/s      2000ApJ...529..786M
    
    Hubble Flow Distance and Distance Modulus (where Ho =   73.0 +/-   5 km/sec/Mpc)
    D (Galactocentric GSR)     :    35.9 +/-    2.5 Mpc      (m-M) = 32.78 +/- 0.15 mag
    D (Local Group)            :    34.7 +/-    2.4 Mpc      (m-M) = 32.70 +/- 0.15 mag
    D (3K CMB)                 :    43.3 +/-    3.0 Mpc      (m-M) = 33.18 +/- 0.15 mag
    D (Virgo Infall only)      :    37.4 +/-    2.6 Mpc      (m-M) = 32.87 +/- 0.15 mag
    D (Virgo + GA only)        :    39.7 +/-    2.8 Mpc      (m-M) = 32.99 +/- 0.15 mag
    D (Virgo + GA + Shapley)   :    39.7 +/-    2.8 Mpc      (m-M) = 32.99 +/- 0.15 mag
    
    Scale at Hubble Flow Distances
    Scale (Galactocentric GSR) :     174 pc/arcsec =  0.174 kpc/arcsec =  10.44 kpc/arcmin =   0.63 Mpc/degree
    Scale (Local Group)        :     168 pc/arcsec =  0.168 kpc/arcsec =  10.10 kpc/arcmin =   0.61 Mpc/degree
    Scale (3K CMB)             :     210 pc/arcsec =  0.210 kpc/arcsec =  12.60 kpc/arcmin =   0.76 Mpc/degree
    Scale (Virgo Infall only)  :     181 pc/arcsec =  0.181 kpc/arcsec =  10.88 kpc/arcmin =   0.65 Mpc/degree
    Scale (Virgo + GA only)    :     192 pc/arcsec =  0.192 kpc/arcsec =  11.54 kpc/arcmin =   0.69 Mpc/degree
    Scale(Virgo + GA + Shapley):     193 pc/arcsec =  0.193 kpc/arcsec =  11.55 kpc/arcmin =   0.69 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 = 8.658 arcmin and Selected Redshift, defined by the Velocity Range: from to km/sec where V(Heliocentric) = 2836 km/sec
    Cosmology-Corrected Quantities [Ho = 73.00 km/sec/Mpc, Ωmatter = 0.27, Ωvacuum = 0.73] [Redshift 0.010549 as corrected to the Reference Frame defined by the 3K Microwave Background Radiation] Luminosity Distance : 43.7 Mpc (m-M) = 33.20 mag Angular-Size Distance : 42.8 Mpc (m-M) = 33.16 mag Co-Moving Radial Distance : 43.2 Mpc (m-M) = 33.18 mag Co-Moving Tangential Dist. : 43.2 Mpc (m-M) = 33.18 mag Co-Moving Volume : 0.000338 Gpc^3 Light Travel-Time : 0.140 Gyr Age at Redshift 0.010549 : 13.159 Gyr Age of Universe : 13.299 Gyr Scale (Cosmology Corrected): 207 pc/arcsec = 0.207 kpc/arcsec = 12.44 kpc/arcmin = 0.75 Mpc/degree Surface Brightness Dimming : Flux Density per Unit Area = 0.95890; Magnitude per Unit Area = 0.04557 mag
    To change Cosmological Input Parameters for Derived Quantities: Enter Your Preferred Values and click on "Submit Changed Hubble Parameters for this object" button
    HoΩmatterΩvacuum     
    Correct Redshift To the Reference Frame defined by: as Input for Calculation of the Distances and Cosmology-Corrected Quantities

    QUICK-LOOK PHOTOMETRY and LUMINOSITIES for NGC 3157 (Back to INDEX)
     N/A 

    QUICK-LOOK ANGULAR & PHYSICAL DIAMETERS for NGC 3157 (Back to INDEX)

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

    Passband Apparent Major Axis
    (2a) [arcsec]
    Apparent Minor Axis
    (2b) [arcsec]
    PA
    [degrees]
    (J2000.0)
    Reference Level RefcodePhysical Major Axis
    (2a) [kpc]
    Physical Minor Axis
    (2b) [kpc]
    ESO-LV "Quick Blue" IIa-O 190.5551.4538 27.0 B-mag arcsec^-2^ 1989ESOLV.C...0000L30.158.14
    K_s (2MASS "total") 152.3039.6040 Diameter for "total" magnitude 20032MASX.C.......:20032MASX.C.......:24.106.27
    NOTE: Physical diameters are derived using a scale of 0.1582 kpc/arcsec based on Average NED-D Metric Distance of (32.641 +/- 4.745) Mpc.
    The quantities quoted above have not necessarily been corrected for foreground extinction.

    View details for 18 Diameter data point(s) available in NED.

    EXTERNAL ARCHIVES AND SERVICES for NGC 3157 Help (Back to INDEX)
    Resources for Object NamesSite/Service
    Query SIMBAD by primary NED object name -- NGC 3157SIMBAD (CDS, Strasbourg, France)
    Revised New General Catalogue -- NGC 3157VizieR Catalog Query (U.S. mirror, CfA/Harvard)
    ESO/Uppsala Survey -- ESO 435- G 051 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
    Morphological Catalog of Galaxies -- MCG -05-24-026 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
    2MASS Extended Source Images (JHKs) -- 2MASX J10114242-3138341 NASA/IPAC Infrared Science Archive (IRSA)
    IRAS Faint Source Catalog -- IRAS F10094-3123 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
    The ESO-LV catalog-- ESO-LV 4350510 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
    Query 6dF Galaxy Redshift Survey -- 6dF J1011424-313834 6dF Galaxy Redshift Survey
    Catalogue of Principal Galaxies -- PGC 029691 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
    Retrieve mean data from LEDA -- PGC 029691 The Lyon/Meudon Extragalactic Database (LEDA)
    NRAO/VLA Sky Survey (NVSS)
    Query GALEX (NUV/FUV) Mission Archive (7.2 arcsec search radius) -- NGC 3157GALEX Mission Data Archive at MAST
    Explore IRSA resources with RADAR (10 arcsec search radius) -- NGC 3157NASA/IPAC Infrared Science Archive (IRSA)
    Resources for position 10h11m42.4s, -31d38m34s (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)
    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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