NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2022-01-17 T22:34:10 PST
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You have selected the following parameters to search on:

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

NED results for object MESSIER 101


1 objects found in NED.    

SOURCE LIST

 Row          Object Name                 EquJ2000.0       Object  Velocity/Redshift    Mag./  Separ.               Number of                                 Row 
 No.     (* => Essential Note)       RA               DEC  Type     km/s       z   Qual Filter arcmin Refs Notes Phot Posn Vel/z Diam Assoc Images   Spectra  No. 
1   *MESSIER 101                    14h03m12.5s +54d20m56s G         241  0.000804       8.31    ...  1740    28  206   74    26   13     0 Retrieve Retrieve 1   

Detailed information for each object


Object No. 1 - MESSIER 101

INDEX for MESSIER 101
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
  • 206 Photometric data point(s) and SED   
  • Spectra   
    Redshift-Independent Distances
    1740 Reference(s)   
    74 Position data point(s)
    26 Redshift data point(s)   
    13 Diameter data point(s)   
    28 Note(s)   
    UGC data    
    RC3 data    

    ESSENTIAL NOTE for MESSIER 101 (Back to INDEX)
    M102 may be a duplicate obs. of M101; see Sawyer, JRASC 41, Nos 7&8, 1947.      
    

    CROSS-IDENTIFICATIONS for MESSIER 101 (Back to INDEX)
    Object Names Type Object Names Type
    MESSIER 101G [WB92] 1401+5434 RadioS
    MESSIER 102 G 6C B140129.2+543437 RadioS
    NGC 5457 G 2CXO J140312.5+542056 XrayS
    UGC 08981 G CXO J140312.5+542056 XrayS
    ARP 026 G CXOU J140312.5+542053 XrayS
    VV 344a G CXOGSG J140312.5+542056 XrayS
    VV 456 G XMMU J140312.4+542056 XrayS
    CGCG 272-021 G CXO J140312.54+542056.2 XrayS
    CGCG 1401.5+5435 G [SPB93] 243 G
    MCG +09-23-028 G LGG 371:[G93] 001 G
    2MASS J14031253+5420560 IrS NGC 5457:[RPS97] 06 XrayS
    SDSS J140312.52+542056.2 G [M98j] 170 NED77 G
    SDSS J140312.54+542056.1 VisS MESSIER 101:[WIP99] H23 XrayS
    IRAS 14013+5435 IrS MESSIER 101:[WIP99] P16 XrayS
    IRAS F14012+5434 IrS NGC 5457:[RW2000] X-11 XrayS
    AKARI J1403130+542102 IrS MESSIER 101:[PSM2001] 040 XrayS
    KIG 0610 G MESSIER 101:[JRW2004] XMM-10 XrayS
    LDCE 0842 NED010 G MESSIER 101:[JRW2005] 051 XrayS
    HDCE 0853 NED001 G NGC 5457:[LB2005] X01 XrayS
    PGC1 0050063 NED001 G NGC 5457:[L2011a] X0019 XrayS
    NSA 053000 G NGC 5457:[MGS2012] 001 XrayS
    PGC 050063 G NGC 5457:[WLQ2016] X0029 XrayS
    UZC J140312.5+542056 G NGC 5457:[LET2019] 210 XrayS
    11HUGS 363 G    
         

    COORDINATES for MESSIER 101 (Back to INDEX)

    Position Reference:2010ApJS..189...37E

    Reference    Frame     Longitude    Latitude        RA           DEC      Uncertainty Ellipse (arcsec)
                           (degrees)   (degrees)                              Semimajor Semiminor  PA(deg)
    Equatorial (B1950.0) 210.3598900  54.5885511 14h01m26.3736s +54d35m18.784s  1.20E-01  1.20E-01    0
    Equatorial (J2000.0) 210.8022671  54.3489500 14h03m12.5441s +54d20m56.220s  1.20E-01  1.20E-01    0
    Ecliptic   (B1950.0) 173.6557294  59.7970541                              1.20E-01  1.20E-01    0
    Ecliptic   (J2000.0) 174.3654095  59.7972649                              1.20E-01  1.20E-01    0
    Galactic             102.0373262  59.7713817                              1.20E-01  1.20E-01    0
    SuperGalactic         63.5815591  22.6127593                              1.20E-01  1.20E-01    0
    
    Additional detailed measurements with references are also available by clicking below:
    74 Position data point(s)

    REDSHIFT-INDEPENDENT DISTANCES for MESSIER 101 (Back to INDEX)

    116 Distances found in NED View 116 Individual Distance Measurement(s) for MESSIER 101

    Summary Statistics computed by NED from 116 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.


    MESSIER 101 Distance Modulus
    (mag)
    Metric Distance
    (Mpc)
    Mean 29.09 6.644
    Std. Dev. 0.36 0.936
    Min. 27.07 2.600
    Max. 29.77 8.990
    Median 29.14 6.730

    CLASSIFICATIONS (TYPES, ATTRIBUTES) for MESSIER 101 (Back to INDEX)
    TypeAs PublishedNED HomogenizedFlagReference Code
    HierarchyIIsolated galaxy...1973AISAO...8....3K
    KinematicsHI line widthHI line width...1980A&A....81..167S
    Luminosity Class6.0LC III-IV...1991RC3.9.C...0000d
    Galaxy MorphologySAB(rs)cdSAB(rs)cd...1991RC3.9.C...0000d
    Distance IndicatorTully-FisherTully-Fisher...1994ApJ...430...53P
    132 Detailed Classification(s)


    FOREGROUND GALACTIC EXTINCTION for MESSIER 101 (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]0.0370.0310.0230.0190.0130.0360.0280.0200.0150.0110.0060.0040.0030.001
    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]0.0460.0370.0280.0230.0170.0440.0320.0230.0180.0130.0080.0050.0030.001


    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 MESSIER 101 (Back to INDEX)
    Helio. Radial Velocity     :       241 +/-        2 km/s      
    Redshift                   :  0.000804 +/- 0.000007        1991RC3.9.C...0000d
    Major Diameter (arcmin)    :  28.8
    Minor Diameter (arcmin)    :  26.9
    Magnitude and Filter       :  8.31
    Classifications            : SAB(rs)cd      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:
    26 Redshift data point(s)      206 photometric data point(s)      13 Diameter data point(s)      

    QUANTITIES DERIVED FROM REDSHIFT for MESSIER 101 (Details)(Back to INDEX)
    Calculated and Corrected Velocities
    V (Heliocentric)           :     241 +/-      2 km/s      1991RC3.9.C...0000d
    V (Kinematic LSR)          :     254 +/-      2 km/s      1986MNRAS.221.1023K
    V (Galactocentric GSR)     :     360 +/-      5 km/s      1991RC3.9.C...0000d
    V (Local Group)            :     379 +/-      9 km/s      1996AJ....111..794K
    V (3K CMB)                 :     362 +/-      9 km/s      1996ApJ...473..576F
    V (Virgo Infall only)      :     418 +/-      9 km/s      2000ApJ...529..786M
    V (Virgo + GA only)        :     453 +/-      9 km/s      2000ApJ...529..786M
    V (Virgo + GA + Shapley)   :     455 +/-      9 km/s      2000ApJ...529..786M
    
    Hubble Flow Distance and Distance Modulus (where Ho =   73.0 +/-   5 km/sec/Mpc)
    D (Galactocentric GSR)     :    4.94 +/-   0.35 Mpc      (m-M) = 28.47 +/- 0.15 mag
    D (Local Group)            :    5.19 +/-   0.38 Mpc      (m-M) = 28.57 +/- 0.15 mag
    D (3K CMB)                 :    4.96 +/-   0.37 Mpc      (m-M) = 28.48 +/- 0.16 mag
    D (Virgo Infall only)      :    5.73 +/-   0.40 Mpc      (m-M) = 28.79 +/- 0.15 mag
    D (Virgo + GA only)        :    6.20 +/-   0.44 Mpc      (m-M) = 28.96 +/- 0.15 mag
    D (Virgo + GA + Shapley)   :    6.24 +/-   0.44 Mpc      (m-M) = 28.98 +/- 0.15 mag
    
    Scale at Hubble Flow Distances
    Scale (Galactocentric GSR) :      24 pc/arcsec =  0.024 kpc/arcsec =   1.44 kpc/arcmin =   0.09 Mpc/degree
    Scale (Local Group)        :      25 pc/arcsec =  0.025 kpc/arcsec =   1.51 kpc/arcmin =   0.09 Mpc/degree
    Scale (3K CMB)             :      24 pc/arcsec =  0.024 kpc/arcsec =   1.44 kpc/arcmin =   0.09 Mpc/degree
    Scale (Virgo Infall only)  :      28 pc/arcsec =  0.028 kpc/arcsec =   1.67 kpc/arcmin =   0.10 Mpc/degree
    Scale (Virgo + GA only)    :      30 pc/arcsec =  0.030 kpc/arcsec =   1.80 kpc/arcmin =   0.11 Mpc/degree
    Scale(Virgo + GA + Shapley):      30 pc/arcsec =  0.030 kpc/arcsec =   1.82 kpc/arcmin =   0.11 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 = 55.095 arcmin and Selected Redshift, defined by the Velocity Range: from to km/sec where V(Heliocentric) = 241 km/sec
    Cosmology-Corrected Quantities [Ho = 73.00 km/sec/Mpc, Ωmatter = 0.27, Ωvacuum = 0.73] [Redshift 0.001207 as corrected to the Reference Frame defined by the 3K Microwave Background Radiation] Luminosity Distance : 4.96 Mpc (m-M) = 28.48 mag Angular-Size Distance : 4.95 Mpc (m-M) = 28.47 mag Co-Moving Radial Distance : 4.96 Mpc (m-M) = 28.48 mag Co-Moving Tangential Dist. : 4.96 Mpc (m-M) = 28.48 mag Co-Moving Volume : 5.1e-07 Gpc^3 Light Travel-Time : 0.016 Gyr Age at Redshift 0.001207 : 13.283 Gyr Age of Universe : 13.299 Gyr Scale (Cosmology Corrected): 24 pc/arcsec = 0.024 kpc/arcsec = 1.44 kpc/arcmin = 0.09 Mpc/degree Surface Brightness Dimming : Flux Density per Unit Area = 0.99519; Magnitude per Unit Area = 0.005239 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 MESSIER 101 (Back to INDEX)

    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).

    Spectral
    Region
    Band Apparent Mag or Flux Refcode Absolute Mag or νLν [W] νLν [L(Bolometric)]
    X-Ray0.2-4 keV (EINSTEIN) 19.35E-13 ergs sec^-1^ cm^-2^ 1992ApJS...80..531F 1.02E+33 [W] 2.66E+06
    UltravioletUV_3150 (m_T) 7.43 +/- 0.43 mag 1995A&AS..114..527R-21.66 +/- 0.43 [mag] 1.67E+10 +/- 8.16E+09
    VisualR (Cousins) AB 7.76 +/- 0.03 mag 2014MNRAS.445..881C-21.33 +/- 0.07 [mag] 1.49E+10 +/- 5.66E+08
    Near-InfraredH_tot (2MASS LGA) 5.805 +/- 0.042 mag 2003AJ....125..525J-23.29 +/- 0.08 [mag] 1.22E+10 +/- 5.76E+08
    Mid-InfraredW4 (WISE) -0.384 +/- 0.024 mag 2017ApJ...850...68C-29.47 +/- 0.07 [mag] 2.22E+09 +/- 7.61E+07
    Far-InfraredFIR (IRAS) 6.05E-12 W m^-2^ 1988ApJS...68...91R 3.20E+36 [W] 8.33E+09
    Sub-Millimeter350 microns (SPIRE) 9.69E+1 +/- 0.69E+1 Jy 2012ApJ...745...95D 4.39E+35 +/- 3.33E+34 [W] 1.14E+09 +/- 8.65E+07
    Radio57.5 MHz 6.5 +/- 2.5 Jy 1990ApJ...352...30I 1.97E+30 +/- 7.61E+29 [W] 5.13E+03 +/- 1.98E+03
    NOTE: The above quantities are derived using an estimated Distance Modulus of (29.09 +/- 0.36) mag corresponding to
    a Metric Distance of (6.644 +/- 0.936) 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 206 Photometric data point(s) available in NED.

    QUICK-LOOK ANGULAR & PHYSICAL DIAMETERS for MESSIER 101 (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]
    POSS1 103a-O 2400.002400.00... High surface brightness 1962MCG1..C...0000V77.3177.31
    K_s (LGA/2MASS "total") 1051.201040.6928 Diameter for "total" magnitude 2003AJ....125..525J2003AJ....125..525J33.8633.52
    NOTE: Physical diameters are derived using a scale of 0.0322 kpc/arcsec based on Average NED-D Metric Distance of (6.644 +/- 0.936) Mpc.
    The quantities quoted above have not necessarily been corrected for foreground extinction.

    View details for 13 Diameter data point(s) available in NED.

    EXTERNAL ARCHIVES AND SERVICES for MESSIER 101 Help (Back to INDEX)
    Resources for Object NamesSite/Service
    Query SIMBAD by primary NED object name -- MESSIER 101SIMBAD (CDS, Strasbourg, France)
    Revised New General Catalogue -- NGC 5457 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
    Uppsala General Catalog -- UGC 08981 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
    Original Zwicky Catalog -- CGCG 272-021 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 +09-23-028 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
    version
    SDSS Sky Server
    IRAS Faint Source Catalog -- IRAS F14012+5434 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
    Catalogue of Principal Galaxies -- PGC 050063 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
    Retrieve mean data from LEDA -- PGC 050063 The Lyon/Meudon Extragalactic Database (LEDA)
    Query GALEX (NUV/FUV) Mission Archive (7.2 arcsec search radius) -- MESSIER 101GALEX Mission Data Archive at MAST
    Explore IRSA resources with RADAR (10 arcsec search radius) -- MESSIER 101NASA/IPAC Infrared Science Archive (IRSA)
    Resources for position 14h03m12.5s, +54d20m56s (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)
    version
    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)
        Size:     GIF     FITS File  
    Faint Images of the Radio Sky at Twenty-Centimeters
    The NRAO Data Archive System

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