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 Database: RASSFIRST
   ROSAT All-Sky Survey Single FIRST Matches 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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B
Definition
 
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<- Sort by distance from search centre (default)
 NAME 
X-Ray Source ROSAT All-Sky Survey Designation
 RA 
Right Ascension
 DECL 
Declination
 LII 
Galactic Longitude
 BII 
Galactic Latitude
 RASS_FIRST_OFFSET 
Distance Between Radio and X-Ray Source
 ALT_NAME 
Common Designation for Source Obtained from NED (Possibly Truncated)
 OBJECT_TYPE 
Classification of Object
 REF_OBJECT_TYPE 
Reference for Classification
 REDSHIFT 
Redshift
 FLUX_20_CM 
FIRST 1.4-GHz Peak Flux
 FLUX 
X-Ray Flux in the 0.1-2.4 keV Energy Range
 FLUX_ERROR 
RMS Uncertainty in the X-Ray Flux
 SPECTRAL_INDEX 
Power-Law Photon Index of X-Ray Source
 SPECTRAL_INDEX_POS_ERR 
Positive Error in Gamma (Upper Limit)
 SPECTRAL_INDEX_NEG_ERR 
Negative Error in Gamma (Lower Limit)
 APM_EMAG 
E Magnitude of the Optical Counterpart (from APM)
 APM_EMAG_CLASS 
Value for the Classification of the Optical Object in E-Band
 APM_OMAG 
O Magnitude of the Optical Counterpart (from APM)
 APM_OMAG_CLASS 
Value for the Classification of the Optical object in O-Band
 EMAG_EXTINCTION 
Extinction Correction
 FIRST_APM_OFFSET 
Angular Distance Between Radio and Optical Position
 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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