NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2018-11-13 T18:21:41 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.

INDEX for WLM
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
   
53 Photometric data point(s) and SED   
Spectra   
Redshift-Independent Distances
388 Reference(s)   
23 Position data point(s)
12 Redshift data point(s)   
6 Diameter data point(s)   
11 Note(s)   
RC3 data    

ESSENTIAL NOTE for WLM (Back to INDEX)
Position is for superposed star close to center.                                

CROSS-IDENTIFICATIONS for WLM (Back to INDEX)
Object Names Type Object Names Type
WLMG [RC1] A2359 G
Wolf-Lundmark-Melotte G HIPASS J0001-15 RadioS
UGCA 444 G PGC 000143 G
DDO 221 G SSTSL2 J000158.16-152739.6 IrS
MCG -03-01-015 G 11HUGS 002 G
2MASS J00015816-1527397 IrS [SPB93] 276 G
CGS 612 G    
[RC2] A2359-15 G    

COORDINATES for WLM (Back to INDEX)

Position Reference:1998USNO2.C......0M

Reference    Frame     Longitude    Latitude        RA           DEC      Uncertainty Ellipse (arcsec)
                       (degrees)   (degrees)                              Semimajor Semiminor  PA(deg)
Equatorial (B1950.0)  359.851870  -15.739363 23h59m24.449s -15d44m21.71s  9.00E-01  9.00E-01    0
Equatorial (J2000.0)    0.492337  -15.460928 00h01m58.161s -15d27m39.34s  9.00E-01  9.00E-01    0
Ecliptic   (B1950.0)  353.467703  -14.351828                              9.00E-01  9.00E-01    0
Ecliptic   (J2000.0)  354.167958  -14.351966                              9.00E-01  9.00E-01    0
Galactic               75.862879  -73.624315                              9.00E-01  9.00E-01    0
SuperGalactic         277.807618    8.086262                              9.00E-01  9.00E-01    0
Additional detailed measurements with references are also available by clicking below:
23 Position data point(s)

REDSHIFT-INDEPENDENT DISTANCES for WLM (Back to INDEX)

46 Distances found in NED View 46 Individual Distance Measurement(s) for WLM

Summary Statistics computed by NED from 46 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.


WLM Distance Modulus
(mag)
Metric Distance
(Mpc)
Mean 25.00 1.034
Std. Dev. 0.46 0.423
Min. 24.65 0.850
Max. 27.90 3.800
Median 24.92 0.964

CLASSIFICATIONS (TYPES, ATTRIBUTES) for WLM (Back to INDEX)
TypeAs PublishedNED HomogenizedFlagReference Code
HierarchyGMGroup member...1984TarOT..73....1V
KinematicsHI line widthHI line width...1967ApJ...150....9R
Luminosity Class10.0LC V-VI...1991RC3.9.C...0000d
Galaxy MorphologyIB(s)mIB(s)m...1991RC3.9.C...0000d
Distance IndicatorTully estTully est...1988NBGC.C....0000T
42 Detailed Classification(s)


FOREGROUND GALACTIC EXTINCTION for WLM (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]0.1640.1370.1040.0820.0570.1600.1250.0860.0640.0480.0270.0170.0110.006
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]0.2020.1600.1230.0990.0720.1910.1410.1020.0770.0550.0330.0210.0140.006


Galactic Extinction based on H I Column Densities and Galaxy Counts
(Burstein & Heiles; 1982AJ.....87.1165B) assuming Rv = 3.1:
AB = 0.090 mag
See Notes on Galactic Extinction for important caveats.

BASIC DATA for WLM (Back to INDEX)
Helio. Radial Velocity     :      -122 +/-        2 km/s      
Redshift                   : -0.000407 +/- 0.000007        2004AJ....128...16K
Major Diameter (arcmin)    : 11.5 
Minor Diameter (arcmin)    :  4.0 
Magnitude and Filter       : 11.03
Classifications            : IB(s)m              

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:
12 Redshift data point(s)      53 photometric data point(s)      6 Diameter data point(s)      

QUANTITIES DERIVED FROM REDSHIFT for WLM (Details)(Back to INDEX)
Calculated and Corrected Velocities
V (Heliocentric)           :    -122 +/-      2 km/s      2004AJ....128...16K
V (Kinematic LSR)          :    -125 +/-      2 km/s      1986MNRAS.221.1023K
V (Galactocentric GSR)     :     -65 +/-      3 km/s      1991RC3.9.C...0000d
V (Local Group)            :     -16 +/-      7 km/s      1996AJ....111..794K
V (3K CMB)                 :    -457 +/-     24 km/s      1996ApJ...473..576F
V (Virgo Infall only)      :     -13 +/-      7 km/s      2000ApJ...529..786M
V (Virgo + GA only)        :     -13 +/-      7 km/s      2000ApJ...529..786M
V (Virgo + GA + Shapley)   :     -13 +/-      7 km/s      2000ApJ...529..786M

Hubble Flow Distance and Distance Modulus (where Ho =   73.0 +/-   5 km/sec/Mpc)
D (Galactocentric GSR)     :    FLOW MODEL DOES NOT APPLY
D (Local Group)            :     N/A   
D (3K CMB)                 :     N/A   
D (Virgo Infall only)      :     N/A   
D (Virgo + GA only)        :     N/A   
D (Virgo + GA + Shapley)   :     N/A   

Scale at Hubble Flow Distances
Scale (Galactocentric GSR) :     N/A 
Scale (Local Group)        :     N/A 
Scale (3K CMB)             :     N/A 
Scale (Virgo Infall only)  :     N/A 
Scale (Virgo + GA only)    :     N/A 
Scale(Virgo + GA + Shapley):     N/A 

To Search for Nearby Objects (Physical Companions): Enter Your Preferred Values and click on "Submit Environment Search" button
Search for Objects within +/-arcmin and Selected Redshift, defined by the Velocity Range: from to km/sec where V(Heliocentric) = -122 km/sec
Cosmology-Corrected Quantities [Ho = 73.00 km/sec/Mpc, Ωmatter = 0.27, Ωvacuum = 0.73] [Redshift -0.003329 as corrected to the Reference Frame defined by the 3K Microwave Background Radiation] Cosmology Computations unstable or undefined

QUICK-LOOK PHOTOMETRY and LUMINOSITIES for WLM (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)]
UltravioletNUV (GALEX) AB 12.40 +/- 0.03 mag 2011ApJS..192....6L-12.60 +/- 0.30 [mag] 1.71E+07 +/- 2.11E+06
VisualV (V_T^0) 10.16 mag 1991RC3.9.C...0000d-14.84 [mag] 5.66E+07
Near-Infrared3.6 microns (IRAC) 8.81E-2 +/- 1.19E-2 Jy 2009ApJ...703..517D 9.51E+32 +/- 1.72E+32 [W] 2.47E+06 +/- 4.48E+05
Mid-Infrared24 microns (MIPS) 7.57E-2 +/- 0.83E-2 Jy 2009ApJ...703..517D 1.23E+32 +/- 2.00E+31 [W] 3.20E+05 +/- 5.21E+04
Far-InfraredFIR (IRAS) 2.35E-14 W m^-2^ 1988ApJS...68...91R 3.00E+32 [W] 7.81E+05
Radio2.64 GHz Effelsberg <4.2 milliJy 2011A&A...529A..94C < 1.42E+27 [W] < 3.69E+00
NOTE: The above quantities are derived using an estimated Distance Modulus of (25.00 +/- 0.46) mag corresponding to
a Metric Distance of (1.034 +/- 0.423) 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 53 Photometric data point(s) available in NED.

QUICK-LOOK ANGULAR & PHYSICAL DIAMETERS for WLM (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]
RC3 D_0 (blue) 704.90...... 25.0 B-mag arcsec^-2^ 1991RC3.9.C...0000d3.53...
K_s (LGA/2MASS isophotal) 10.0010.0029 20.0 K-mag arcsec^-2^ 2003AJ....125..525J2003AJ....125..525J0.050.05
NOTE: Physical diameters are derived using a scale of 0.0050 kpc/arcsec based on Average NED-D Metric Distance of (1.034 +/- 0.423) Mpc.
The quantities quoted above have not necessarily been corrected for foreground extinction.

View details for 6 Diameter data point(s) available in NED.

EXTERNAL ARCHIVES AND SERVICES for WLM Help (Back to INDEX)
Resources for Object NamesSite/Service
Query SIMBAD by primary NED object name -- WLMSIMBAD (CDS, Strasbourg, France)
Morphological Catalog of Galaxies -- MCG -03-01-015 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
Catalogue of Principal Galaxies -- PGC 000143 VizieR Catalog Query (U.S. mirror, CfA/Harvard)
Retrieve mean data from LEDA -- PGC 000143 The Lyon/Meudon Extragalactic Database (LEDA)
Query GALEX (NUV/FUV) Mission Archive (7.2 arcsec search radius) -- WLMGALEX Mission Data Archive at MAST
Explore IRSA resources with RADAR (10 arcsec search radius) -- WLMNASA/IPAC Infrared Science Archive (IRSA)
Resources for position 00h01m58.1s, -15d27m39s (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)
Explore resources with DataScope (15 arcmin 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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