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 0253 00h47m33.1s -25d17m18s G 243 0.000811 7.09B ... 1552 31 328 49 29 19 0 Retrieve Retrieve 1 |
INDEX for NGC 0253 | |||
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Detailed Data (NED queries): |
ESSENTIAL NOTE for NGC 0253 (Back to INDEX)Extended HIPASS source |
CROSS-IDENTIFICATIONS for NGC 0253 (Back to INDEX)
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COORDINATES for NGC 0253 (Back to INDEX) Position Reference:1999MNRAS.310..223B Reference Frame Longitude Latitude RA DEC Uncertainty Ellipse (arcsec) (degrees) (degrees) Semimajor Semiminor PA(deg) Equatorial (B1950.0) 11.273917 -25.561000 00h45m05.740s -25d33m39.60s 1.00E+00 1.00E+00 0 Equatorial (J2000.0) 11.888002 -25.288220 00h47m33.120s -25d17m17.59s 1.00E+00 1.00E+00 0 Ecliptic (B1950.0) 359.360808 -27.776297 1.00E+00 1.00E+00 0 Ecliptic (J2000.0) 0.062784 -27.775735 1.00E+00 1.00E+00 0 Galactic 97.369238 -87.964044 1.00E+00 1.00E+00 0 SuperGalactic 271.565460 -5.009108 1.00E+00 1.00E+00 0Additional detailed measurements with references are also available by clicking below: 49 Position data point(s) |
REDSHIFT-INDEPENDENT DISTANCES for NGC 0253 (Back to INDEX) 31 Distances found in NED View 31 Individual Distance Measurement(s) for NGC 0253 Summary Statistics computed by NED from 31 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 0253 (Back to INDEX)
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FOREGROUND GALACTIC EXTINCTION for NGC 0253 (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 = 0.050 mag See Notes on Galactic Extinction for important caveats. |
BASIC DATA for NGC 0253 (Back to INDEX)Helio. Radial Velocity : 243 +/- 2 km/s Redshift : 0.000811 +/- 0.000007 2004AJ....128...16K Major Diameter (arcmin) : 27.5 Minor Diameter (arcmin) : 6.8 Magnitude and Filter : 7.09B Classifications : SAB(s)c;Sbrst;Sy2HII NOTE: This information is indicative only. With the exception of the |
QUANTITIES DERIVED FROM REDSHIFT for NGC 0253 (Details)(Back to INDEX)Calculated and Corrected Velocities V (Heliocentric) : 243 +/- 2 km/s 2004AJ....128...16K V (Kinematic LSR) : 236 +/- 2 km/s 1986MNRAS.221.1023K V (Galactocentric GSR) : 244 +/- 2 km/s 1991RC3.9.C...0000d V (Local Group) : 276 +/- 3 km/s 1996AJ....111..794K V (3K CMB) : -42 +/- 20 km/s 1996ApJ...473..576F V (Virgo Infall only) : 235 +/- 4 km/s 2000ApJ...529..786M V (Virgo + GA only) : 251 +/- 4 km/s 2000ApJ...529..786M V (Virgo + GA + Shapley) : 251 +/- 4 km/s 2000ApJ...529..786M Hubble Flow Distance and Distance Modulus (where Ho = 73.0 +/- 5 km/sec/Mpc) D (Galactocentric GSR) : 3.35 +/- 0.24 Mpc (m-M) = 27.62 +/- 0.15 mag D (Local Group) : 3.79 +/- 0.27 Mpc (m-M) = 27.89 +/- 0.15 mag D (3K CMB) : N/A D (Virgo Infall only) : 3.22 +/- 0.23 Mpc (m-M) = 27.54 +/- 0.15 mag D (Virgo + GA only) : 3.43 +/- 0.24 Mpc (m-M) = 27.68 +/- 0.15 mag D (Virgo + GA + Shapley) : 3.44 +/- 0.24 Mpc (m-M) = 27.68 +/- 0.15 mag Scale at Hubble Flow Distances Scale (Galactocentric GSR) : 16 pc/arcsec = 0.016 kpc/arcsec = 0.97 kpc/arcmin = 0.06 Mpc/degree Scale (Local Group) : 18 pc/arcsec = 0.018 kpc/arcsec = 1.10 kpc/arcmin = 0.07 Mpc/degree Scale (3K CMB) : N/A Scale (Virgo Infall only) : 16 pc/arcsec = 0.016 kpc/arcsec = 0.94 kpc/arcmin = 0.06 Mpc/degree Scale (Virgo + GA only) : 17 pc/arcsec = 0.017 kpc/arcsec = 1.00 kpc/arcmin = 0.06 Mpc/degree Scale(Virgo + GA + Shapley): 17 pc/arcsec = 0.017 kpc/arcsec = 1.00 kpc/arcmin = 0.06 Mpc/degree |
QUICK-LOOK PHOTOMETRY and LUMINOSITIES for NGC 0253 (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 (3.170 +/- 0.451) 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 328 Photometric data point(s) available in NED. |
QUICK-LOOK ANGULAR & PHYSICAL DIAMETERS for NGC 0253 (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 19 Diameter data point(s) available in NED. |