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 IC 1997 03h44m51.9s -59d08m16s G 5463 0.018223 13.94 ... 23 2 35 7 3 17 0 Retrieve Retrieve 1 |
INDEX for IC 1997 | |||
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Detailed Data (NED queries): |
ESSENTIAL NOTE for IC 1997 (Back to INDEX)N/A |
CROSS-IDENTIFICATIONS for IC 1997 (Back to INDEX)
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COORDINATES for IC 1997 (Back to INDEX) Position Reference:1999GSCTy.C......0G Reference Frame Longitude Latitude RA DEC Uncertainty Ellipse (arcsec) (degrees) (degrees) Semimajor Semiminor PA(deg) Equatorial (B1950.0) 55.963591 -59.293054 03h43m51.262s -59d17m35.00s 9.00E-01 9.00E-01 0 Equatorial (J2000.0) 56.216250 -59.137667 03h44m51.900s -59d08m15.60s 9.00E-01 9.00E-01 0 Ecliptic (B1950.0) 9.168619 -73.170886 9.00E-01 9.00E-01 0 Ecliptic (J2000.0) 9.888023 -73.169155 9.00E-01 9.00E-01 0 Galactic 272.264032 -46.333064 9.00E-01 9.00E-01 0 SuperGalactic 233.770233 -34.457240 9.00E-01 9.00E-01 0Additional detailed measurements with references are also available by clicking below: 7 Position data point(s) |
REDSHIFT-INDEPENDENT DISTANCES for IC 1997 (Back to INDEX) 3 Distances found in NED View 3 Individual Distance Measurement(s) for IC 1997 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.
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CLASSIFICATIONS (TYPES, ATTRIBUTES) for IC 1997 (Back to INDEX)
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FOREGROUND GALACTIC EXTINCTION for IC 1997 (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 IC 1997 (Back to INDEX)Helio. Radial Velocity : 5463 +/- 10 km/s Redshift : 0.018223 +/- 0.000033 1996ApJS..107...97M Major Diameter (arcmin) : 1.2 Minor Diameter (arcmin) : 0.6 Magnitude and Filter : 13.94 Classifications : SAB(rs)c? NOTE: This information is indicative only. With the exception of the |
QUANTITIES DERIVED FROM REDSHIFT for IC 1997 (Details)(Back to INDEX)Calculated and Corrected Velocities V (Heliocentric) : 5463 +/- 10 km/s 1996ApJS..107...97M V (Kinematic LSR) : 5447 +/- 10 km/s 1986MNRAS.221.1023K V (Galactocentric GSR) : 5298 +/- 12 km/s 1991RC3.9.C...0000d V (Local Group) : 5261 +/- 16 km/s 1996AJ....111..794K V (3K CMB) : 5432 +/- 10 km/s 1996ApJ...473..576F V (Virgo Infall only) : 5191 +/- 16 km/s 2000ApJ...529..786M V (Virgo + GA only) : 5520 +/- 28 km/s 2000ApJ...529..786M V (Virgo + GA + Shapley) : 5552 +/- 28 km/s 2000ApJ...529..786M Hubble Flow Distance and Distance Modulus (where Ho = 73.0 +/- 5 km/sec/Mpc) D (Galactocentric GSR) : 72.6 +/- 5.1 Mpc (m-M) = 34.30 +/- 0.15 mag D (Local Group) : 72.1 +/- 5.0 Mpc (m-M) = 34.29 +/- 0.15 mag D (3K CMB) : 74.4 +/- 5.2 Mpc (m-M) = 34.36 +/- 0.15 mag D (Virgo Infall only) : 71.1 +/- 5.0 Mpc (m-M) = 34.26 +/- 0.15 mag D (Virgo + GA only) : 75.6 +/- 5.3 Mpc (m-M) = 34.39 +/- 0.15 mag D (Virgo + GA + Shapley) : 76.1 +/- 5.3 Mpc (m-M) = 34.41 +/- 0.15 mag Scale at Hubble Flow Distances Scale (Galactocentric GSR) : 352 pc/arcsec = 0.352 kpc/arcsec = 21.11 kpc/arcmin = 1.27 Mpc/degree Scale (Local Group) : 349 pc/arcsec = 0.349 kpc/arcsec = 20.97 kpc/arcmin = 1.26 Mpc/degree Scale (3K CMB) : 361 pc/arcsec = 0.361 kpc/arcsec = 21.64 kpc/arcmin = 1.30 Mpc/degree Scale (Virgo Infall only) : 345 pc/arcsec = 0.345 kpc/arcsec = 20.68 kpc/arcmin = 1.24 Mpc/degree Scale (Virgo + GA only) : 367 pc/arcsec = 0.367 kpc/arcsec = 22.00 kpc/arcmin = 1.32 Mpc/degree Scale(Virgo + GA + Shapley): 369 pc/arcsec = 0.369 kpc/arcsec = 22.12 kpc/arcmin = 1.33 Mpc/degree |
QUICK-LOOK PHOTOMETRY and LUMINOSITIES for IC 1997 (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 (74.800 +/- 1.300) 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 35 Photometric data point(s) available in NED. |
QUICK-LOOK ANGULAR & PHYSICAL DIAMETERS for IC 1997 (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 17 Diameter data point(s) available in NED. |