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 2870 09h27m53.7s +57d22m32s G 3214 0.010721 13.7g ... 81 0 75 15 13 15 2 Retrieve Retrieve 1 |
INDEX for NGC 2870 | |||
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Detailed Data (NED queries): |
ESSENTIAL NOTE for NGC 2870 (Back to INDEX)N/A |
CROSS-IDENTIFICATIONS for NGC 2870 (Back to INDEX)
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COORDINATES for NGC 2870 (Back to INDEX) Position Reference:2007SDSS6.C...0000: Reference Frame Longitude Latitude RA DEC Uncertainty Ellipse (arcsec) (degrees) (degrees) Semimajor Semiminor PA(deg) Equatorial (B1950.0) 141.061613 57.593371 09h24m14.787s +57d35m36.14s 5.00E-01 5.00E-01 0 Equatorial (J2000.0) 141.973923 57.375492 09h27m53.741s +57d22m31.77s 5.00E-01 5.00E-01 0 Ecliptic (B1950.0) 122.876874 39.832572 5.00E-01 5.00E-01 0 Ecliptic (J2000.0) 123.578657 39.837729 5.00E-01 5.00E-01 0 Galactic 158.064176 43.373035 5.00E-01 5.00E-01 0 SuperGalactic 46.270657 -10.352991 5.00E-01 5.00E-01 0Additional detailed measurements with references are also available by clicking below: 15 Position data point(s) |
REDSHIFT-INDEPENDENT DISTANCES for NGC 2870 (Back to INDEX) 7 Distances found in NED View 7 Individual Distance Measurement(s) for NGC 2870 Summary Statistics computed by NED from 7 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 2870 (Back to INDEX)
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FOREGROUND GALACTIC EXTINCTION for NGC 2870 (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 = 0.070 mag See Notes on Galactic Extinction for important caveats. |
BASIC DATA for NGC 2870 (Back to INDEX)Helio. Radial Velocity : 3214 +/- 5 km/s Redshift : 0.010721 +/- 0.000017 1991RC3.9.C...0000d Major Diameter (arcmin) : 2.75 Minor Diameter (arcmin) : 0.62 Magnitude and Filter : 13.7g Classifications : Sbc AGN? NOTE: This information is indicative only. With the exception of the |
QUANTITIES DERIVED FROM REDSHIFT for NGC 2870 (Details)(Back to INDEX)Calculated and Corrected Velocities V (Heliocentric) : 3214 +/- 5 km/s 1991RC3.9.C...0000d V (Kinematic LSR) : 3217 +/- 5 km/s 1986MNRAS.221.1023K V (Galactocentric GSR) : 3276 +/- 6 km/s 1991RC3.9.C...0000d V (Local Group) : 3296 +/- 7 km/s 1996AJ....111..794K V (3K CMB) : 3354 +/- 11 km/s 1996ApJ...473..576F V (Virgo Infall only) : 3469 +/- 14 km/s 2000ApJ...529..786M V (Virgo + GA only) : 3524 +/- 15 km/s 2000ApJ...529..786M V (Virgo + GA + Shapley) : 3540 +/- 15 km/s 2000ApJ...529..786M Hubble Flow Distance and Distance Modulus (where Ho = 73.0 +/- 5 km/sec/Mpc) D (Galactocentric GSR) : 44.9 +/- 3.1 Mpc (m-M) = 33.26 +/- 0.15 mag D (Local Group) : 45.1 +/- 3.2 Mpc (m-M) = 33.27 +/- 0.15 mag D (3K CMB) : 46.0 +/- 3.2 Mpc (m-M) = 33.31 +/- 0.15 mag D (Virgo Infall only) : 47.5 +/- 3.3 Mpc (m-M) = 33.38 +/- 0.15 mag D (Virgo + GA only) : 48.3 +/- 3.4 Mpc (m-M) = 33.42 +/- 0.15 mag D (Virgo + GA + Shapley) : 48.5 +/- 3.4 Mpc (m-M) = 33.43 +/- 0.15 mag Scale at Hubble Flow Distances Scale (Galactocentric GSR) : 218 pc/arcsec = 0.218 kpc/arcsec = 13.05 kpc/arcmin = 0.78 Mpc/degree Scale (Local Group) : 219 pc/arcsec = 0.219 kpc/arcsec = 13.13 kpc/arcmin = 0.79 Mpc/degree Scale (3K CMB) : 223 pc/arcsec = 0.223 kpc/arcsec = 13.37 kpc/arcmin = 0.80 Mpc/degree Scale (Virgo Infall only) : 230 pc/arcsec = 0.230 kpc/arcsec = 13.82 kpc/arcmin = 0.83 Mpc/degree Scale (Virgo + GA only) : 234 pc/arcsec = 0.234 kpc/arcsec = 14.04 kpc/arcmin = 0.84 Mpc/degree Scale(Virgo + GA + Shapley): 235 pc/arcsec = 0.235 kpc/arcsec = 14.11 kpc/arcmin = 0.85 Mpc/degree |
QUICK-LOOK PHOTOMETRY and LUMINOSITIES for NGC 2870 (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 (46.343 +/- 1.849) 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 75 Photometric data point(s) available in NED. |
QUICK-LOOK ANGULAR & PHYSICAL DIAMETERS for NGC 2870 (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. |