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 Database: S254258CXO
   S254-S258 Star-Forming Region 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.s+DDMMSS)
 RA 
Right Ascension
 DECL 
Declination
 LII 
Galactic Longitude
 BII 
Galactic Latitude
 ERROR_RADIUS 
Estimated Standard Deviation of the Random Component of the Position Error
 OFF_AXIS 
Off-Axis Angle
 COUNTS 
Net Counts Extracted in the Total Energy Band (0.5-8keV)
 COUNTS_ERROR 
Average of Upper and Lower 1-Sigma Errors
 BCK_COUNTS 
Background Counts Expected in the Source Extraction Region (Total Band)
 HB_COUNTS 
Net Counts Extracted in the Hard Energy Band (2-8keV)
 PSF_FRACTION 
Fraction of the PSF (at 1.497keV) Enclosed within the Extraction Region
 SIGNIFICANCE 
Photometric Significance Computed as Net Counts Divided by Its Upper Uncertainty
 LOG_BCK_PROB_LIMIT 
Limit Flag for the Logarithmic Background Probability
 LOG_BCK_PROB 
Logarithmic Probability That Extracted Total Counts Are Solely from Background
 SOURCE_ANOMALY_FLAG 
Flag [g] Indicates Source Anomalies
 VAR_FLAG 
Flag [abc] Indicates Variability Characterization Based on K-S Statistic
 EXPOSURE 
Effective Exposure Time
 MEDIAN_ENERGY 
Background-Corrected Median Photon Energy (Total Band)
 SOURCE_FLAG 
Flag [B] Indicates Brighter Sources Using Slightly Different Spectral Fit
 PHOTON_FLUX 
Incident Full-Band (0.5-8.0keV) Flux from AE Software
 LOG_HB_LX 
Logarithm of the Apparent Hard-Band (2.0-8.0keV) Luminosity
 LOG_HB_LX_OBS 
Logarithm of Intrinsic Hard-Band (2.0-8.0keV) Luminosity (Absorption-Corrected)
 LOG_LX 
Logarithm of the Apparent Full-Band (0.5-8.0keV) Luminosity
 LOG_LX_OBS 
Logarithm of the Intrinsic Full-Band (0.5-8.0keV) Luminosity
 DSS_FLAG 
Flag [Y] Indicates Optical Counterpart in at Least the DSS Red Image
 JMAG_FLAG 
Flag [J] Indicates 2MASS Counterpart in the J Band
 HMAG_FLAG 
Flag [H] Indicates 2MASS Counterpart in the H Band
 KMAG_FLAG 
Flag [K] Indicates 2MASS Counterpart in the K Band
 CHA08_FLAG 
Flag [Y] Indicates Counterpart in the Spitzer Catalog from Chavarria et al.
 SOURCE_TYPE 
IR Classification of Source (When Available)
 CLASS 
Browse Object Classification

 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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