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 Database: NGC1893CXO
   NGC 1893 Chandra 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:
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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 (CXOU JHHMMSS.ss+DDMMSS.s)
 RA 
Right Ascension
 DECL 
Declination
 LII 
Galactic Longitude
 BII 
Galactic Latitude
 ERROR_RADIUS 
Standard Deviation of Position
 OFF_AXIS 
Off-Axis Angle
 COUNTS 
Net Counts Extracted in the Total Energy Band
 COUNTS_ERROR 
Average of the Upper and Lower 1-Sigma Errors
 BCK_COUNTS 
Background Counts Expected in the Source Extraction Region (Total Band)
 PSF_FRACTION 
Fraction of the PSF (at 1.497 keV) Enclosed within the Extraction Region
 SIGNIFICANCE 
Photometric Significance Computed as Net Counts Divided by Its Upper Uncertainty
 KS_PROB_CONSTANT 
Kolmogorov-Smirnov Probability That the Lightcurves of the Sources are Constant
 EXPOSURE 
Effective Exposure Time
 MEDIAN_ENERGY 
Background-Corrected Median Photon Energy (Total Band)
 LOG_LX 
Absorption-Corrected X-Ray Luminosity
 LOG_LX_FLAG 
Flag [abc] Indicates X-Ray Luminosity Origin

 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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