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 Database: BHRFSCID
   Byurakan/Hamburg/ROSAT Catalog of Optical IDs
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 
ROSAT Source Designation
 ERROR_RADIUS 
ROSAT Positional Error (arcsec)
 COUNT_RATE 
ROSAT Count Rate
 COUNT_RATE_ERROR 
ROSAT Count Rate Error
 HARDNESS_RATIO_1 
ROSAT Hardness Ratio 1
 HARDNESS_RATIO_1_ERROR 
ROSAT Hardness Ratio 1 Error
 HARDNESS_RATIO_2 
ROSAT Hardness Ratio 2
 HARDNESS_RATIO_2_ERROR 
ROSAT Hardness Ratio 2 Error
 OPT_CTRPRT_COMPONENT 
Optical Counterpart Component
 RA 
Right Ascension
 DECL 
Declination
 LII 
Galactic Longitude
 BII 
Galactic Latitude
 OFFSET 
Distance Between Optical and X-Ray Positions
 OFFSET_ERROR_RADIUS 
Ratio of the Offset to the Error Radius
 MAPS_OMAG 
MAPS O Magnitude
 MAPS_OE_COLOR 
MAPS O-E Color Index
 PM_TOT 
USNO-B1.0 Total Proper Motion
 USNO_OMAG 
USNO-B1.0 O Magnitude (Mean of DSS1 Blue and DSS2 Blue)
 USNO_EMAG 
USNO-B1.0 E Magnitude (Mean of DSS1 Red and DSS2 Red)
 USNO_OE_COLOR 
USNO-B1.0 O-E Color (Mean of DSS1 O-E and DSS2 O-E)
 USNO_IMAG 
USNO-B1.0 I Magnitude (DSS2 IR)
 DIFF_USNO_MAG 
USNO-B1.0 Magnitude Difference Between DSS2 and DSS1 (Mean of Blue and Red)
 SOURCE_TYPE 
Object Type Classification
 COMMENTS 
Comments on the Object
 OTHER_SOURCE_TYPE 
Associations with Known Optical Objects: Types
 OPT_NAME 
Optical Association: Name of the Object
 CAT_DSS2_OFFSET 
Optical Association: Distance Between the Catalog and DSS2 Red Positions
 CAT_ROSAT_OFFSET 
Optical Association: Distance Between the Catalog and ROSAT Positions
 DETAILED_SOURCE_TYPE 
Optical Association: Classification
 APP_MAG 
Optical Association: Catalog Magnitude (Typically B Magnitude)
 APP_MAG_BAND 
Flag [BgR] Indicates Magnitude Band
 REDSHIFT 
Optical Association: Redshift
 ALT_NAME_BAND 
Detection Band of Association with Non-Optical Source (Radio IR Other X-Ray)
 ALT_NAME 
Non-Optical Association: Name of the Source
 ALT_DSS2_OFFSET 
Non-Optical Association: Distance Between the Source and DSS2 Red Positions
 ALT_ROSAT_OFFSET 
Non-Optical Association: Distance Between the Source and ROSAT Positions
 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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