INDEX for NGC 4102 | |||
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Detailed Data (NED queries): |
ESSENTIAL NOTE for NGC 4102 (Back to INDEX)N/A |
CROSS-IDENTIFICATIONS for NGC 4102 (Back to INDEX)
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COORDINATES for NGC 4102 (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) 180.9633734 52.9893344 12h03m51.209s +52d59m21.60s 4.10E-01 4.10E-01 0 Equatorial (J2000.0) 181.5957950 52.7110828 12h06m22.991s +52d42m39.90s 4.10E-01 4.10E-01 0 Ecliptic (B1950.0) 152.8671708 47.4444404 4.10E-01 4.10E-01 0 Ecliptic (J2000.0) 153.5722010 47.4469299 4.10E-01 4.10E-01 0 Galactic 138.0790783 63.0721128 4.10E-01 4.10E-01 0 SuperGalactic 62.9487669 5.3117945 4.10E-01 4.10E-01 0Additional detailed measurements with references are also available by clicking below: 30 Position data point(s) |
REDSHIFT-INDEPENDENT DISTANCES for NGC 4102 (Back to INDEX) 25 Distances found in NED View 25 Individual Distance Measurement(s) for NGC 4102 Summary Statistics computed by NED from 25 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 4102 (Back to INDEX)
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FOREGROUND GALACTIC EXTINCTION for NGC 4102 (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 = 0.010 mag See Notes on Galactic Extinction for important caveats. |
BASIC DATA for NGC 4102 (Back to INDEX)Helio. Radial Velocity : 846 +/- 2 km/s Redshift : 0.002823 +/- 0.000007 2001A&A...370..765V Major Diameter (arcmin) : 2.81 Minor Diameter (arcmin) : 1.17 Magnitude and Filter : 12.3g Classifications : SAB(s)b?;HII LINER NOTE: This information is indicative only. With the exception of the |
QUANTITIES DERIVED FROM REDSHIFT for NGC 4102 (Details)(Back to INDEX)Calculated and Corrected Velocities V (Heliocentric) : 846 +/- 2 km/s 2001A&A...370..765V V (Kinematic LSR) : 854 +/- 2 km/s 1986MNRAS.221.1023K V (Galactocentric GSR) : 920 +/- 4 km/s 1991RC3.9.C...0000d V (Local Group) : 927 +/- 5 km/s 1996AJ....111..794K V (3K CMB) : 1027 +/- 13 km/s 1996ApJ...473..576F V (Virgo Infall only) : 1169 +/- 18 km/s 2000ApJ...529..786M V (Virgo + GA only) : 1254 +/- 19 km/s 2000ApJ...529..786M V (Virgo + GA + Shapley) : 1262 +/- 19 km/s 2000ApJ...529..786M Hubble Flow Distance and Distance Modulus (where Ho = 73.0 +/- 5 km/sec/Mpc) D (Galactocentric GSR) : 12.6 +/- 0.9 Mpc (m-M) = 30.50 +/- 0.15 mag D (Local Group) : 12.7 +/- 0.9 Mpc (m-M) = 30.52 +/- 0.15 mag D (3K CMB) : 14.1 +/- 1.0 Mpc (m-M) = 30.74 +/- 0.15 mag D (Virgo Infall only) : 16.0 +/- 1.1 Mpc (m-M) = 31.02 +/- 0.15 mag D (Virgo + GA only) : 17.2 +/- 1.2 Mpc (m-M) = 31.18 +/- 0.15 mag D (Virgo + GA + Shapley) : 17.3 +/- 1.2 Mpc (m-M) = 31.19 +/- 0.15 mag Scale at Hubble Flow Distances Scale (Galactocentric GSR) : 61 pc/arcsec = 0.061 kpc/arcsec = 3.66 kpc/arcmin = 0.22 Mpc/degree Scale (Local Group) : 62 pc/arcsec = 0.062 kpc/arcsec = 3.70 kpc/arcmin = 0.22 Mpc/degree Scale (3K CMB) : 68 pc/arcsec = 0.068 kpc/arcsec = 4.09 kpc/arcmin = 0.25 Mpc/degree Scale (Virgo Infall only) : 78 pc/arcsec = 0.078 kpc/arcsec = 4.66 kpc/arcmin = 0.28 Mpc/degree Scale (Virgo + GA only) : 83 pc/arcsec = 0.083 kpc/arcsec = 5.00 kpc/arcmin = 0.30 Mpc/degree Scale(Virgo + GA + Shapley): 84 pc/arcsec = 0.084 kpc/arcsec = 5.03 kpc/arcmin = 0.30 Mpc/degree |
QUICK-LOOK PHOTOMETRY and LUMINOSITIES for NGC 4102 (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 (19.500 +/- 3.662) 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 173 Photometric data point(s) available in NED. |
QUICK-LOOK ANGULAR & PHYSICAL DIAMETERS for NGC 4102 (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 15 Diameter data point(s) available in NED. |