|INDEX for NGC 2257|
|Detailed Data (NED queries):|
ESSENTIAL NOTE for NGC 2257 (Back to INDEX)|
In the Large Magellanic Cloud.
CROSS-IDENTIFICATIONS for NGC 2257 (Back to INDEX)|
COORDINATES for NGC 2257 (Back to INDEX)|
Reference Frame Longitude Latitude RA DEC Uncertainty Ellipse (arcsec) (degrees) (degrees) Semimajor Semiminor PA(deg) Equatorial (B1950.0) 97.491102 -64.289182 06h29m57.86s -64d17m21.1s 1.25E+00 1.25E+00 0 Equatorial (J2000.0) 97.557750 -64.325611 06h30m13.86s -64d19m32.2s 1.25E+00 1.25E+00 0 Ecliptic (B1950.0) 147.433245 -86.151898 1.25E+00 1.25E+00 0 Ecliptic (J2000.0) 148.044112 -86.148987 1.25E+00 1.25E+00 0 Galactic 274.105660 -26.525227 1.25E+00 1.25E+00 0 SuperGalactic 210.013336 -41.197513 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 2257 (Back to INDEX)|
6 Distances found in NED View 6 Individual Distance Measurement(s) for NGC 2257
Summary Statistics computed by NED from 6 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 2257 (Back to INDEX)|
FOREGROUND GALACTIC EXTINCTION for NGC 2257 (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 = 0.180 mag
See Notes on Galactic Extinction for important caveats.
BASIC DATA for NGC 2257 (Back to INDEX)|
Description : LMC globular Magnitude and Filter : Spare 3 : 5.5: Spare 4 : NOTE: This information is indicative only. With the exception of the
QUICK-LOOK PHOTOMETRY and LUMINOSITIES for NGC 2257 (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 (0.049 +/- 0.004) 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 2257 (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 3 Diameter data point(s) available in NED.
EXTERNAL ARCHIVES AND SERVICES for NGC 2257 Help (Back to INDEX)|