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 Database: SDSSNBCKDE
   SDSS NBCKDE Catalog of Photometrically Selected Quasar Candidates
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 
SDSS Source Designation (SDSS Jhhmmss.ss+-ddmmss.s)
 RA 
Right Ascension
 DECL 
Declination
 LII 
Galactic Longitude
 BII 
Galactic Latitude
 SDSS_OBJECT_ID 
SDSS Object Idenfication
 REDSHIFT 
Photometric Redshift; See Weinstein et al. 2004
 REDSHIFT_LOWER_LIMIT 
Lower Limit of Photometric Redshift
 REDSHIFT_UPPER_LIMIT 
Upper Limit of Photometric Redshift
 REDSHIFT_PROBABILITY 
Photometric Redshift Range Probability
 UMAG 
u-band PSF-ubercalibrated asinh Magnitude
 GMAG 
g-band PSF-ubercalibrated asinh Magnitude
 RMAG 
r-band PSF-ubercalibrated asinh Magnitude
 IMAG 
i-band PSF-ubercalibrated asinh Magnitude
 ZMAG 
z-band PSF-ubercalibrated asinh Magnitude
 UMAG_ERROR 
Error in umag
 GMAG_ERROR 
Error in gmag
 RMAG_ERROR 
Error in rmag
 IMAG_ERROR 
Error in imag
 ZMAG_ERROR 
Error in zmag
 REDDENING 
The (B-V) Extinction
 CONCENTRATION 
Concentration for Star/Galaxy Separation
 FLUX_20_CM 
20-cm Flux Density (mJy)
 RASS_COUNT_RATE 
RASS Full-Band Count Rate (ct/s)
 PROPER_MOTION 
Proper Motion (mas/yr)
 MOVING_FLAG 
Flag Indicates Possible Moving Object
 QSOTS_FLAG 
Full z Range Flag 95% Star Prior
 LOWZTS_FLAG 
Low z Range Flag (z <= 2.2) 98% Star Prior
 MIDZTS_FLAG 
Mid z Range Flag (2.2 < z < 3.5) 98% Star Prior
 HIGHZTS_FLAG 
High z Range Flag (z >= 3.5) 98% Star Prior
 UVXTS_FLAG 
UV-Excess Flag 88% Star Prior; See Paper I
 LOG_QUASAR_DENSITY 
Logarithm of KDE Quasar Density
 LOG_STAR_DENSITY 
Logarithm of KDE Star Density
 QUALITY_FLAG 
Flag Indicates Quality: 6=Most Robust -6=Least
 PREVIOUS_CLASSIFICATION 
Previous Catalog Object Classification
 PREVIOUS_REDSHIFT 
Previous Catalog Object Redshift

 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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