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 Database: NORAS
   Northern ROSAT All-Sky (NORAS) Galaxy Cluster Survey 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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Definition
 
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<- Sort by distance from search centre (default)
 NAME 
Source Designation
 ALT_NAME 
Alternative Designation
 NAME_NOTE 
Flag Indicates Note Concerning Designation
 RA 
Right Ascension
 DECL 
Declination
 LII 
Galactic Longitude
 BII 
Galactic Latitude
 REDSHIFT 
Redshift
 COUNT_RATE 
Count Rate
 COUNT_RATE_ERROR 
Uncertainty in Count Rate
 OBS_FLUX 
X-Ray Flux (erg/cm^2/s)
 FLUX 
Corrrected X-Ray Flux
 FLUX_ERROR 
Uncertainty in Corrrected X-Ray Flux
 FLUX_PERCENT_ERROR 
Fractional Uncertainty for the Count Rate Fluxes and Luminosity
 LX 
Rest-Frame X-Ray Luminosity of the Cluster in the 0.1-2.4keV Energy Band
 LX_ERROR 
Uncertainty in X-Ray Luminosity
 NH 
Absorbing Column Density in Line of Sight to the Source (cm^-2)
 ID_FLAG 
Flag Indicates Note Concerning Source Identification
 REF_REDSHIFT 
Reference Codes for Redshift
 EXTENT_PARAMETER 
Probability Result of Kolmogorov-Smirnov Test That Source Is a Point Source
 BESTFIT_CORE_RADIUS 
Best-Fitting Core Radius (arcmin)
 MINIMAL_CORE_RADIUS 
Minimal Radius Value Consistent with the 2-sigma Uncertainty Limit (arcmin)
 HARDNESS_RATIO 
Hardness Ratio
 HARDNESS_RATIO_ERROR 
RMS Uncertainty in Hardness Ratio
 HR_SIGMA_DEVIATION 
Deviation from the Expected Value of Hardness Ratio in Units of sigma
 COMMENTS 
Comments
 ANGULAR_SOURCE_RADIUS 
Radius out to Which the Source Count Rate Has Been Integrated (arcmin)
 LINEAR_SOURCE_RADIUS 
Radius out to Which the Source Count Rate Has Been Integrated (Mpc)
 TABLE_SAMPLE 
Subsample from Which Source Originates

 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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