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 2708 08h56m08.0s -03d21m36s G 2008 0.006698 12.55 ... 94 4 40 9 8 6 0 Retrieve Retrieve 1 |
INDEX for NGC 2708 | ||||||
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Detailed Data (NED queries):
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ESSENTIAL NOTE for NGC 2708 (Back to INDEX)N/A |
CROSS-IDENTIFICATIONS for NGC 2708 (Back to INDEX)
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COORDINATES for NGC 2708 (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) 133.404418 -3.167704 08h53m37.06s -03d10m03.7s 1.25E+00 1.25E+00 0 Equatorial (J2000.0) 134.033542 -3.360111 08h56m08.05s -03d21m36.4s 1.25E+00 1.25E+00 0 Ecliptic (B1950.0) 136.833380 -19.835695 1.25E+00 1.25E+00 0 Ecliptic (J2000.0) 137.529998 -19.831698 1.25E+00 1.25E+00 0 Galactic 231.552885 25.669301 1.25E+00 1.25E+00 0 SuperGalactic 97.077565 -57.753543 1.25E+00 1.25E+00 0Additional detailed measurements with references are also available by clicking below: 9 Position data point(s) |
REDSHIFT-INDEPENDENT DISTANCES for NGC 2708 (Back to INDEX) 11 Distances found in NED View 11 Individual Distance Measurement(s) for NGC 2708 Summary Statistics computed by NED from 11 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 2708 (Back to INDEX)
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FOREGROUND GALACTIC EXTINCTION for NGC 2708 (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 = 0.030 mag See Notes on Galactic Extinction for important caveats. |
BASIC DATA for NGC 2708 (Back to INDEX)Helio. Radial Velocity : 2008 +/- 6 km/s Redshift : 0.006698 +/- 0.000020 1991RC3.9.C...0000d Major Diameter (arcmin) : 2.6 Minor Diameter (arcmin) : 1.3 Magnitude and Filter : 12.55 Classifications : SAB(s)b pec? HII NOTE: This information is indicative only. With the exception of the |
QUANTITIES DERIVED FROM REDSHIFT for NGC 2708 (Details)(Back to INDEX)Calculated and Corrected Velocities V (Heliocentric) : 2008 +/- 6 km/s 1991RC3.9.C...0000d V (Kinematic LSR) : 1995 +/- 6 km/s 1986MNRAS.221.1023K V (Galactocentric GSR) : 1842 +/- 9 km/s 1991RC3.9.C...0000d V (Local Group) : 1785 +/- 15 km/s 1996AJ....111..794K V (3K CMB) : 2315 +/- 22 km/s 1996ApJ...473..576F V (Virgo Infall only) : 2008 +/- 21 km/s 2000ApJ...529..786M V (Virgo + GA only) : 2197 +/- 25 km/s 2000ApJ...529..786M V (Virgo + GA + Shapley) : 2209 +/- 25 km/s 2000ApJ...529..786M Hubble Flow Distance and Distance Modulus (where Ho = 73.0 +/- 5 km/sec/Mpc) D (Galactocentric GSR) : 25.2 +/- 1.8 Mpc (m-M) = 32.01 +/- 0.15 mag D (Local Group) : 24.5 +/- 1.7 Mpc (m-M) = 31.94 +/- 0.15 mag D (3K CMB) : 31.7 +/- 2.2 Mpc (m-M) = 32.51 +/- 0.15 mag D (Virgo Infall only) : 27.5 +/- 1.9 Mpc (m-M) = 32.20 +/- 0.15 mag D (Virgo + GA only) : 30.1 +/- 2.1 Mpc (m-M) = 32.39 +/- 0.15 mag D (Virgo + GA + Shapley) : 30.3 +/- 2.1 Mpc (m-M) = 32.40 +/- 0.15 mag Scale at Hubble Flow Distances Scale (Galactocentric GSR) : 122 pc/arcsec = 0.122 kpc/arcsec = 7.34 kpc/arcmin = 0.44 Mpc/degree Scale (Local Group) : 119 pc/arcsec = 0.119 kpc/arcsec = 7.11 kpc/arcmin = 0.43 Mpc/degree Scale (3K CMB) : 154 pc/arcsec = 0.154 kpc/arcsec = 9.23 kpc/arcmin = 0.55 Mpc/degree Scale (Virgo Infall only) : 133 pc/arcsec = 0.133 kpc/arcsec = 8.00 kpc/arcmin = 0.48 Mpc/degree Scale (Virgo + GA only) : 146 pc/arcsec = 0.146 kpc/arcsec = 8.75 kpc/arcmin = 0.53 Mpc/degree Scale(Virgo + GA + Shapley): 147 pc/arcsec = 0.147 kpc/arcsec = 8.80 kpc/arcmin = 0.53 Mpc/degree |
QUICK-LOOK PHOTOMETRY and LUMINOSITIES for NGC 2708 (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 (37.500 +/- 5.633) 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 40 Photometric data point(s) available in NED. |
QUICK-LOOK ANGULAR & PHYSICAL DIAMETERS for NGC 2708 (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. |