SOURCE LISTRow 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 NGC 0921 02h26m33.4s -15d50m51s G 6853 0.022859 15.41 ... 25 0 24 6 6 6 0 Retrieve Retrieve 1 |
INDEX for NGC 0921 | ||||||
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Detailed Data (NED queries):
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ESSENTIAL NOTE for NGC 0921 (Back to INDEX)N/A |
CROSS-IDENTIFICATIONS for NGC 0921 (Back to INDEX)
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COORDINATES for NGC 0921 (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) 36.045787 -16.071813 02h24m10.99s -16d04m18.5s 1.25E+00 1.25E+00 0 Equatorial (J2000.0) 36.639250 -15.847528 02h26m33.42s -15d50m51.1s 1.25E+00 1.25E+00 0 Ecliptic (B1950.0) 27.740077 -28.617513 1.25E+00 1.25E+00 0 Ecliptic (J2000.0) 28.441598 -28.613930 1.25E+00 1.25E+00 0 Galactic 190.722146 -65.229624 1.25E+00 1.25E+00 0 SuperGalactic 286.117311 -25.726007 1.25E+00 1.25E+00 0Additional detailed measurements with references are also available by clicking below: 6 Position data point(s) |
REDSHIFT-INDEPENDENT DISTANCES for NGC 0921 (Back to INDEX) 3 Distances found in NED View 3 Individual Distance Measurement(s) for NGC 0921 Summary Statistics computed by NED from 3 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.
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CLASSIFICATIONS (TYPES, ATTRIBUTES) for NGC 0921 (Back to INDEX)
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FOREGROUND GALACTIC EXTINCTION for NGC 0921 (Back to INDEX)Galactic Extinction from the Schlafly & Finkbeiner 2011, Appendix; 2011ApJ...737..103S (SF11) recalibration
For completeness, we include the original SFD98 values:
Galactic Extinction based on H I Column Densities and Galaxy Counts (Burstein & Heiles; 1982AJ.....87.1165B) assuming Rv = 3.1: AB = 0.020 mag See Notes on Galactic Extinction for important caveats. |
BASIC DATA for NGC 0921 (Back to INDEX)Helio. Radial Velocity : 6853 +/- 22 km/s Redshift : 0.022859 +/- 0.000073 2003A&A...412...57P Major Diameter (arcmin) : 1.3 Minor Diameter (arcmin) : 0.6 Magnitude and Filter : 15.41 Classifications : SB(r)c? NOTE: This information is indicative only. With the exception of the |
QUANTITIES DERIVED FROM REDSHIFT for NGC 0921 (Details)(Back to INDEX)Calculated and Corrected Velocities V (Heliocentric) : 6853 +/- 22 km/s 2003A&A...412...57P V (Kinematic LSR) : 6840 +/- 22 km/s 1986MNRAS.221.1023K V (Galactocentric GSR) : 6825 +/- 22 km/s 1991RC3.9.C...0000d V (Local Group) : 6855 +/- 22 km/s 1996AJ....111..794K V (3K CMB) : 6631 +/- 27 km/s 1996ApJ...473..576F V (Virgo Infall only) : 6704 +/- 24 km/s 2000ApJ...529..786M V (Virgo + GA only) : 6682 +/- 24 km/s 2000ApJ...529..786M V (Virgo + GA + Shapley) : 6678 +/- 24 km/s 2000ApJ...529..786M Hubble Flow Distance and Distance Modulus (where Ho = 73.0 +/- 5 km/sec/Mpc) D (Galactocentric GSR) : 93.5 +/- 6.6 Mpc (m-M) = 34.85 +/- 0.15 mag D (Local Group) : 93.9 +/- 6.6 Mpc (m-M) = 34.86 +/- 0.15 mag D (3K CMB) : 90.8 +/- 6.4 Mpc (m-M) = 34.79 +/- 0.15 mag D (Virgo Infall only) : 91.8 +/- 6.4 Mpc (m-M) = 34.81 +/- 0.15 mag D (Virgo + GA only) : 91.5 +/- 6.4 Mpc (m-M) = 34.81 +/- 0.15 mag D (Virgo + GA + Shapley) : 91.5 +/- 6.4 Mpc (m-M) = 34.81 +/- 0.15 mag Scale at Hubble Flow Distances Scale (Galactocentric GSR) : 453 pc/arcsec = 0.453 kpc/arcsec = 27.20 kpc/arcmin = 1.63 Mpc/degree Scale (Local Group) : 455 pc/arcsec = 0.455 kpc/arcsec = 27.32 kpc/arcmin = 1.64 Mpc/degree Scale (3K CMB) : 440 pc/arcsec = 0.440 kpc/arcsec = 26.42 kpc/arcmin = 1.59 Mpc/degree Scale (Virgo Infall only) : 445 pc/arcsec = 0.445 kpc/arcsec = 26.71 kpc/arcmin = 1.60 Mpc/degree Scale (Virgo + GA only) : 444 pc/arcsec = 0.444 kpc/arcsec = 26.63 kpc/arcmin = 1.60 Mpc/degree Scale(Virgo + GA + Shapley): 444 pc/arcsec = 0.444 kpc/arcsec = 26.61 kpc/arcmin = 1.60 Mpc/degree |
QUICK-LOOK PHOTOMETRY and LUMINOSITIES for NGC 0921 (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).
a Metric Distance of (79.933 +/- 4.124) 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 24 Photometric data point(s) available in NED. |
QUICK-LOOK ANGULAR & PHYSICAL DIAMETERS for NGC 0921 (Back to INDEX) The largest diameters in the Visual and Near-Infrared spectral regions, when available:
The quantities quoted above have not necessarily been corrected for foreground extinction. View details for 6 Diameter data point(s) available in NED. |