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 Database: NGC253XMM
   NGC 253 XMM-Newton X-Ray Point Source Catalog
Database Index | Basic Search | Advanced Search
 Name Resolver
Name:

 Search Co-ordinates
Co-ords:

Co-ordinate system:
Equatorial Ecliptic Galactic
Equinox: 1950 2000

 Search Type
Cone search, radius: arcmin.
Square search, width: arcmin.
Rectangle search, size: arcmin
 Output Options
 Output coordinates in:
Decimal  Sexagesimal
 Output system:
Equatorial   Ecliptic   Galactic
 Output epoch:
J2000   B1950
 Output format:
Filter Search  
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Parameter
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A
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Definition
 
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<- Sort by distance from search centre (default)
 SOURCE_NUMBER 
Sequential Identification Number for Each Source in Catalog
 NAME 
Source Designation
 RA 
Right Ascension
 DECL 
Declination
 LII 
Galactic Longitude
 BII 
Galactic Latitude
 IN_D25_FLAG 
Flag [YN] Indicates Whether Source Is Within the D25 Region of NGC 253
 EXTRACTION_RADIUS 
Source Extraction Radius
 BCK_SRC_AREA_RATIO 
Background-to-Source Area Ratio
 EEF 
Encircled Energy Fraction
 PN_COUNTS 
PN Source Counts
 MOS_COUNTS 
MOS Source Counts
 SPECTRAL_MODEL 
Best-Fitting Model
 NH 
Absorption
 NH_ERROR 
RMS Uncertainty of NH at 90% Confidence Level
 NH_FLAG 
Flag [f] Indicates Fixed Absorption
 SPECT_PARAM_1 
Parameter (Spectral Index or Temperature)
 SPECT_PARAM_1_ERROR 
RMS Uncertainty of Parameter at 90% Confidence Level
 SPECT_PARAM_2 
Second Parameter Value (Spectral Index or Temperature)
 SPECT_PARAM_2_ERROR 
RMS Uncertainty of Second Parameter at 90% Confidence Level
 CHI_SQUARED 
Chi^2 Value
 DOF 
Degrees of Freedom
 GOOD_FIT_PROB 
Good Fit Probability
 LX_BEST 
Best-Fitting Luminosity
 LX_BEST_ERROR 
RMS Uncertainty of Best-Fitting Luminosity at 90% Confidence Level
 LX_STANDARD 
Standard Model (Method I) Luminosity

 Output number of lines:  
If you have any problems, please consult the help page or mail ledas-help@star.le.ac.uk
 
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