|INDEX for NGC 1997|
|Detailed Data (NED queries):|
ESSENTIAL NOTE for NGC 1997 (Back to INDEX)|
In the Large Magellanic Cloud.
CROSS-IDENTIFICATIONS for NGC 1997 (Back to INDEX)|
COORDINATES for NGC 1997 (Back to INDEX)|
Reference Frame Longitude Latitude RA DEC Uncertainty Ellipse (arcsec) (degrees) (degrees) Semimajor Semiminor PA(deg) Equatorial (B1950.0) 82.551178 -63.235443 05h30m12.28s -63d14m07.6s 1.25E+00 1.25E+00 0 Equatorial (J2000.0) 82.644583 -63.199528 05h30m34.70s -63d11m58.3s 1.25E+00 1.25E+00 0 Ecliptic (B1950.0) 42.981051 -85.422899 1.25E+00 1.25E+00 0 Ecliptic (J2000.0) 43.732981 -85.417917 1.25E+00 1.25E+00 0 Galactic 272.606993 -33.069842 1.25E+00 1.25E+00 0 SuperGalactic 218.740794 -40.284575 1.25E+00 1.25E+00 0Additional detailed measurements with references are also available by clicking below:
1 Position data point(s)
REDSHIFT-INDEPENDENT DISTANCES for NGC 1997 (Back to INDEX)|
1 Distances found in NED View 1 Individual Distance Measurement(s) for NGC 1997
Summary Statistics computed by NED from 1 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 1997 (Back to INDEX)|
FOREGROUND GALACTIC EXTINCTION for NGC 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 = 0.170 mag
See Notes on Galactic Extinction for important caveats.
BASIC DATA for NGC 1997 (Back to INDEX)|
Major Diameter (arcmin) : Minor Diameter (arcmin) : Magnitude and Filter : Classifications : LMC globular? NOTE: This information is indicative only. With the exception of the
QUICK-LOOK PHOTOMETRY and LUMINOSITIES for NGC 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 (0.048 +/- N/A) 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 15 Photometric data point(s) available in NED.
QUICK-LOOK ANGULAR & PHYSICAL DIAMETERS for NGC 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 2 Diameter data point(s) available in NED.
EXTERNAL ARCHIVES AND SERVICES for NGC 1997 Help (Back to INDEX)|