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 4868 12h59m08.9s +37d18m37s G 4665 0.015561 12.97 ... 76 2 39 15 7 7 0 Retrieve Retrieve 1 |
INDEX for NGC 4868 | |||
|
Detailed Data (NED queries): |
ESSENTIAL NOTE for NGC 4868 (Back to INDEX)N/A |
CROSS-IDENTIFICATIONS for NGC 4868 (Back to INDEX)
|
COORDINATES for NGC 4868 (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) 194.199761 37.579812 12h56m47.94s +37d34m47.3s 1.25E+00 1.25E+00 0 Equatorial (J2000.0) 194.787083 37.310333 12h59m08.90s +37d18m37.2s 1.25E+00 1.25E+00 0 Ecliptic (B1950.0) 175.215877 39.558318 1.25E+00 1.25E+00 0 Ecliptic (J2000.0) 175.919776 39.558333 1.25E+00 1.25E+00 0 Galactic 114.335913 79.688967 1.25E+00 1.25E+00 0 SuperGalactic 80.363804 10.248251 1.25E+00 1.25E+00 0Additional detailed measurements with references are also available by clicking below: 15 Position data point(s) |
REDSHIFT-INDEPENDENT DISTANCES for NGC 4868 (Back to INDEX) 3 Distances found in NED View 3 Individual Distance Measurement(s) for NGC 4868 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.
|
CLASSIFICATIONS (TYPES, ATTRIBUTES) for NGC 4868 (Back to INDEX)
|
FOREGROUND GALACTIC EXTINCTION for NGC 4868 (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 = 0.000 mag See Notes on Galactic Extinction for important caveats. |
BASIC DATA for NGC 4868 (Back to INDEX)Helio. Radial Velocity : 4665 +/- 9 km/s Redshift : 0.015561 +/- 0.000030 1991RC3.9.C...0000d Major Diameter (arcmin) : 1.6 Minor Diameter (arcmin) : 1.5 Magnitude and Filter : 12.97 Classifications : SAab? NOTE: This information is indicative only. With the exception of the |
QUANTITIES DERIVED FROM REDSHIFT for NGC 4868 (Details)(Back to INDEX)Calculated and Corrected Velocities V (Heliocentric) : 4665 +/- 9 km/s 1991RC3.9.C...0000d V (Kinematic LSR) : 4675 +/- 9 km/s 1986MNRAS.221.1023K V (Galactocentric GSR) : 4709 +/- 9 km/s 1991RC3.9.C...0000d V (Local Group) : 4696 +/- 9 km/s 1996AJ....111..794K V (3K CMB) : 4899 +/- 19 km/s 1996ApJ...473..576F V (Virgo Infall only) : 4925 +/- 19 km/s 2000ApJ...529..786M V (Virgo + GA only) : 5185 +/- 26 km/s 2000ApJ...529..786M V (Virgo + GA + Shapley) : 5218 +/- 26 km/s 2000ApJ...529..786M Hubble Flow Distance and Distance Modulus (where Ho = 73.0 +/- 5 km/sec/Mpc) D (Galactocentric GSR) : 64.5 +/- 4.5 Mpc (m-M) = 34.05 +/- 0.15 mag D (Local Group) : 64.3 +/- 4.5 Mpc (m-M) = 34.04 +/- 0.15 mag D (3K CMB) : 67.1 +/- 4.7 Mpc (m-M) = 34.13 +/- 0.15 mag D (Virgo Infall only) : 67.5 +/- 4.7 Mpc (m-M) = 34.15 +/- 0.15 mag D (Virgo + GA only) : 71.0 +/- 5.0 Mpc (m-M) = 34.26 +/- 0.15 mag D (Virgo + GA + Shapley) : 71.5 +/- 5.0 Mpc (m-M) = 34.27 +/- 0.15 mag Scale at Hubble Flow Distances Scale (Galactocentric GSR) : 313 pc/arcsec = 0.313 kpc/arcsec = 18.76 kpc/arcmin = 1.13 Mpc/degree Scale (Local Group) : 312 pc/arcsec = 0.312 kpc/arcsec = 18.71 kpc/arcmin = 1.12 Mpc/degree Scale (3K CMB) : 325 pc/arcsec = 0.325 kpc/arcsec = 19.52 kpc/arcmin = 1.17 Mpc/degree Scale (Virgo Infall only) : 327 pc/arcsec = 0.327 kpc/arcsec = 19.63 kpc/arcmin = 1.18 Mpc/degree Scale (Virgo + GA only) : 344 pc/arcsec = 0.344 kpc/arcsec = 20.66 kpc/arcmin = 1.24 Mpc/degree Scale(Virgo + GA + Shapley): 347 pc/arcsec = 0.347 kpc/arcsec = 20.79 kpc/arcmin = 1.25 Mpc/degree |
QUICK-LOOK PHOTOMETRY and LUMINOSITIES for NGC 4868 (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 (93.533 +/- 4.637) 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 39 Photometric data point(s) available in NED. |
QUICK-LOOK ANGULAR & PHYSICAL DIAMETERS for NGC 4868 (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 7 Diameter data point(s) available in NED. |