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 Database: CXOXASSIST
   Chandra XAssist Source List
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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Definition
 
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<- Sort by distance from search centre (default)
 FIELD_NAME 
Chandra Field Designation
 INITIAL_EXPOSURE 
Initial Exposure (s)
 EXPOSURE 
Net Exposure (s)
 SOURCE_NUMBER 
Source Number
 NAME 
Source Designation
 DETECTOR 
Chandra Detector
 X_PIXEL 
X Pixel
 Y_PIXEL 
Y Pixel
 RA 
Right Ascension
 DECL 
Declination
 LII 
Galactic Longitude
 BII 
Galactic Latitude
 COUNTS 
Counts
 COUNTS_ERROR 
Error in Counts
 COUNT_RATE 
Count Rate (ct/s)
 COUNT_RATE_ERROR 
Error in Count Rate (ct/s)
 SNR 
Signal-to-Noise Ratio
 PROBABILITY 
Probability
 MAJOR_AXIS 
Major Axis (arcsec)
 MAJOR_AXIS_NEG_ERR 
Major Axis Negative Error Bar (arcsec)
 MAJOR_AXIS_POS_ERR 
Major Axis Positive Error Bar (arcsec)
 MINOR_AXIS 
Minor Axis (arcsec)
 MINOR_AXIS_NEG_ERR 
Minor Axis Negative Error Bar (arcsec)
 MINOR_AXIS_POS_ERR 
Minor Axis Positive Error Bar (arcsec)
 POSITION_ANGLE 
Position Angle (degree)
 POSITION_ANGLE_NEG_ERR 
Position Angle Negative Error Bar (degree)
 POSITION_ANGLE_POS_ERR 
Position Angle Positive Error Bar (degree)
 OFF_AXIS_ANGLE 
Off-Axis Angle (arcmin)
 EXTENT_FLAG 
Flag Indicates Extent
 VARIABILITY_FLAG 
Flag Indicates Variability
 NH_GAL 
Galactic Hydrogen Column Density (H-atoms/cm^2)
 FLUX 
Flux (erg/s/cm^2)
 FIT_NH 
Best Fit Galactic Hydrogen Column Density (H-atoms/cm^2)
 FIT_NH_NEG_ERR 
Best Fit Galactic Hydrogen Column Density Negative Error Bar (H-atoms/cm^2)
 FIT_NH_POS_ERR 
Best Fit Galactic Hydrogen Column Density Positive Error Bar (H-atoms/cm^2)
 FIT_PHOTON_INDEX 
Best Fit Photon Index
 FIT_PHOTON_INDEX_NEG_ERR 
Best Fit Photon Index Negative Error Bar
 FIT_PHOTON_INDEX_POS_ERR 
Best Fit Photon Index Positive Error Bar
 FIT_CHI_SQUARED 
Chi Squared of Best Fit
 FIT_DOF 
Degrees of Freedom of Best Fit
 FIT_FLUX 
Best Fit Flux (erg/s/cm^2)
 SOURCE_FLAGS 
Source Flags
 HTML_FILE 
Link to HTML File with Additional Information
 VERSION 
Version
 BCKGRD_COUNTS 
Background Counts
 APERTURE_COUNTS 
Aperture Counts
 APERTURE_COUNTS_ERROR 
Error in Aperture Counts
 APERTURE_BCKGRD_COUNTS 
Aperture Background Counts
 SIMPLESPAT_COUNTS 
Simple Spatial Counts
 SIMPLESPAT_BCKGRD_COUNTS 
Simple Spatial Background Counts
 SOFT_COUNTS 
Soft Counts
 HARD_COUNTS 
Hard Counts
 SOFT_BCKGRD_COUNTS 
Soft Background Counts
 HARD_BCKGRD_COUNTS 
Hard Background Counts
 HARDNESS_RATIO 
Hardness Ratio
 HARDNESS_RATIO_ERROR 
Error in Hardness Ratio
 S_SCALE 
Source Region Size Scale (degree^2)
 B_SCALE 
Background Region Size Scale (degree^2)
 APER_COUNT_RATE 
Aperture Count Rate (ct/s)
 APER_COUNT_RATE_ERROR 
Error in Aperture Count Rate (ct/s)
 DET_X 
Detector Coordinate X of the Source Detection
 DET_Y 
Detector Coordinate Y of the Source Detection

 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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